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Antigravity OBD-II Memory Saver Cable Preserve Vehicle Settings While Changing the Battery The Antigravity OBD-II Memory Saver Cable is a simple, ultra-convenient tool that keeps your vehicle’s electronic settings intact while you change its main battery. By connecting this cable to your Micro-Start or Antigravity Portable Power Station, you can maintain vital data like seat positions, stereo presets, and ECU settings without risk of loss or reset. It’s a must-have accessory for professional and home mechanics alike. Unlike bulky cigarette-lighter-based memory savers, this clean and compact cable connects directly to your Micro-Start’s 12V DC port for a reliable and stable power feed. Whether you’re swapping batteries in a shop or doing maintenance in your garage, this cable saves time and prevents headaches from lost configurations. Key Features Preserve Critical Settings: Maintains ECU data, radio presets, seat positions, and more while replacing the main battery. Direct 12V Connection: Plugs straight into your Micro-Start or Power Station — no bulky cigarette adapter needed. Compact & Portable: Lightweight design fits easily in your tool kit or glovebox. Fast & Simple: Plug-and-play operation — connect, change battery, and go. Essential for Mechanics: Ideal for professional shops, mobile techs, and DIYers. How It Works Plug the OBD-II connector into your vehicle’s OBD port. Connect the other end to your Micro-Start or Portable Power Station 12V DC output port. Proceed to replace your vehicle’s main battery without losing any saved settings. Note: This cable will not work with Micro-Start models that only have USB ports (XP-3, SPORT, etc.). Compatible With XP-20-HD XP-20 XP-10-G2 (Gen 2) XP-10-HD XP-10 (Gen 1) XP-1 (Gen 1) PS-80 PS-45

Antigravity SAE MagCode Charging Pigtail, Model F (AGM Ferraris) Seamless Charging for MagCode-Equipped Exotics The Antigravity SAE MagCode Charging Pigtail, Model F lets you connect your Antigravity Super-Charger or any standard 12V SAE charger to exotic and European vehicles equipped with the MagCode charging port. Designed for Ferrari models originally equipped with AGM/lead-acid batteries, this harness ensures safe, secure, and convenient charging without modifying your vehicle’s electrical system. Simply plug the MagCode end into your vehicle’s factory charging port, and connect your charger to the SAE connector. This purpose-built adapter is the ideal link between advanced Antigravity Super-Chargers and your high-performance exotic car. Key Features & Benefits MagCode to SAE Adapter: Allows Antigravity Super-Chargers to work with MagCode-equipped vehicles. For AGM/Lead-Acid Ferraris: Compatible with Ferrari models originally equipped with AGM batteries. 16-Inch Harness: Compact length with included dust cap for clean, protected installation. Universal SAE Compatibility: Works with most 12V chargers using standard SAE connectors (Battery Tender, Optimate, Tecmate, etc.). Safe Charging: Rated for chargers up to 10 amps only. Durable & Reliable: High-quality construction designed for long-term use with premium vehicles. Plug-and-Play Design: No modifications or hardwiring required—preserves your vehicle’s OEM harness. Vehicle Compatibility Ferrari Models (AGM/Lead-Acid Equipped): 488 F8 (non-Ferrari Lithium equipped only) 812 F12 (2017) FF (2015 and newer) Portofino Roma GTC4 Lusso California T Also fits some models of: Aston Martin, Audi, Mercedes,Lamborghini, Bentley, Rolls-Royce ⚠️ Important: Do not use on Ferraris equipped with factory Ferrari lithium batteries (Pista, Competizione, F8 Tributo). These require the Antigravity “Model FL” MagCode adapter (different wiring). Specifications Product Type SAE to MagCode charging pigtail Model F (AGM Ferraris) Length 16 inches Max Charger Output 10 amps Connector Type Standard SAE to MagCode Dust Cap Included Compatibility All 12V SAE chargers (Battery Tender, Optimate, Tecmate, etc.) UPC 711811705014 SKU AG-SAE-MC-F Included in the Box SAE MagCode Charging Pigtail (Model F) Dust cap Product information sheet Why Choose the Model F? High-end vehicles demand precision—and the Antigravity SAE MagCode Charging Pigtail, Model F delivers it. Designed specifically for AGM-equipped Ferraris and other MagCode-equipped exotics, it provides a safe, secure interface between your premium charger and your vehicle’s electrical system. With no modifications, no risk, and complete

Antigravity SAE MagCode Charging Pigtail, Model FL (Lithium Ferraris) Safe Charging for Ferrari Factory Lithium Batteries The Antigravity SAE MagCode Charging Pigtail, Model FL is designed exclusively for Ferraris equipped with the factory Ferrari lithium battery. This specialized harness lets you safely connect Antigravity Super-Chargers—or any compatible 12V SAE lithium charger—to your Ferrari’s OEM MagCode charging port without modifying the vehicle. Factory lithium-equipped Ferraris require the correct wiring to avoid damaging sensitive electronics. The Model FL pigtail delivers a secure, plug-and-play solution specifically for these applications, ensuring safe and effective charging every time. Key Features & Benefits MagCode to SAE Adapter: Enables Antigravity Super-Chargers to connect to factory lithium Ferraris. Purpose-Built for Lithium Systems: Correct wiring for Ferrari lithium battery charging circuits. Exclusive Compatibility: For Pista, F8 Tributo, and 812 Competizione models only. 16-Inch Harness: Compact length with included dust cap for clean installation. Safe Charging: Supports chargers up to 10 amps (12V lithium chargers only). Universal SAE End: Works with most 12V lithium-compatible chargers using SAE connectors. High-Quality Construction: Durable wiring and sealed connectors for long-term reliability. Plug-and-Play: No splicing, no hardwiring—preserves your Ferrari’s OEM harness integrity. Vehicle Compatibility Ferrari Models with Factory Lithium Batteries: 488 Pista 488 Pista Spider F8 Tributo 812 Competizione ⚠️ Important: Do not use this harness on Ferraris originally equipped with AGM/lead-acid batteries. Those models require the Antigravity “Model F” MagCode pigtail (different wiring). Use only chargers designed specifically for 12V LiFePO4 (LFP) batteries. Avoid lead/acid chargers with desulfation mode. Specifications Product Type SAE to MagCode charging pigtail Model FL (Factory Ferrari Lithium) Length 16 inches Max Charger Output 10 amps Connector Type Standard SAE to MagCode Dust Cap Included Compatibility 12V lithium-compatible SAE chargers UPC 711811705045 SKU AG-SAE-MC-FL Included in the Box SAE MagCode Charging Pigtail (Model FL) Dust cap Product information sheet Why Choose the Model FL? High-end vehicles with factory lithium systems demand precision—and the Antigravity SAE MagCode Charging Pigtail, Model FL is built to meet that need. Specifically wired for Ferrari lithium-equipped models, this harness ensures your charger communicates safely with your car’s advanced electrical system, preventing damage from incorrect polarity or desulfation pulses. It’s the safest and simplest way to keep your Ferrari’s lithium battery fully charged and ready to perform.

Antigravity SAE to 4-Pin Ferrari Charging Pigtail Effortless Charging for 4-Pin Ferrari Battery Ports The Antigravity SAE to 4-Pin Ferrari Charging Pigtail is the essential adapter for connecting Antigravity Super-Chargers—or any 12V SAE-compatible charger—to Ferrari models equipped with the factory 4-pin charging port. This harness offers a safe, plug-and-play solution to keep your Ferrari’s battery maintained and fully charged without modifying your electrical system. Whether you’re storing your Ferrari during the off-season or simply keeping its battery in peak condition, this adapter makes the charging process clean, simple, and reliable. Super-Charger Accessory Overview This Antigravity Batteries 4-Pin to SAE Pigtail Harness is commonly used on several Ferrari models that feature the 4-pin charging connector. The SAE to 4-Pin pigtail allows you to use Antigravity Super-Chargers or any other chargers that use the SAE connector (such as Battery Tender, Optimate/Tecmate, and more) to safely charge your Ferrari through its OEM 4-pin charging port. Please confirm your vehicle’s connector type before purchase. If unsure, contact us for guidance. Only use chargers designed specifically for 12V LiFePO4 (LFP) batteries on Antigravity lithium batteries. Lead/acid chargers often feature a desulfation mode that can damage lithium batteries—we recommend our multi-function Antigravity Super-Chargers. Key Features & Benefits 4-Pin to SAE Adapter: Allows Antigravity Super-Chargers to work with 4-pin Ferrari charging ports. 16-Inch Harness: Compact length with protective dust cap for clean installation. Universal SAE Compatibility: Works with all 12V chargers using standard SAE connectors (Battery Tender, Optimate, Tecmate, etc.). Safe Charging: Rated for chargers up to 10 amps only. High-Quality Construction: Built to withstand repeated use and protect your vehicle’s delicate electrical system. Plug-and-Play Design: No cutting, splicing, or permanent modifications required. Vehicle Compatibility Ferrari models equipped with the 4-pin charging connector: 360 F430 456 458 575 599 612 California Enzo F12 (2016 and older) FF (2014 and older) ⚠️ Note: Please confirm your Ferrari’s charging port type before ordering. Contact us with your VIN or photos if you’re unsure. Specifications Product Type SAE to 4-pin charging pigtail Connector Types Standard SAE to 4-pin Ferrari Length 16 inches Max Charger Output 10 amps Dust Cap Included Compatibility All 12V SAE-compatible chargers Included in the Box SAE to 4-Pin Ferrari Charging Pigtail Protective dust cap Product information sheet Why Choose This Adapter? Ferraris equipped with a 4-pin battery charging port require the correct interface to prevent damage to the battery or vehicle electronics. The Antigravity SAE to 4-Pin Ferrari Charging Pigtail is specifically engineered to provide that safe, reliable connection, letting you use your trusted Antigravity Super-Charger or any SAE 12V charger without worry. It’s the simplest way to keep your Ferrari’s battery charged, conditioned, and ready to ignite your next drive.

Antigravity SC-10 Super-Charger The Antigravity SC-10 Super-Charger is the high-output 10-Amp charging solution that keeps every vehicle battery in your garage ready for action. Whether you’re maintaining a race car between track days, waking up a lithium battery with BMS protection, or topping off the truck before a weekend haul, this Super-Charger handles it all with speed, safety, and intelligence. No guesswork, no clunky old chargers—just modern charging performance in one compact package. Next-generation charging for every battery AntiGravity SC-10 Features Large LCD display: real-time readouts for voltage, current, state of charge, and function icons. No vague LED lights—just clear, accurate information. Easy two-button operation: select battery type or special function in seconds. Charger remembers your last setting after power loss. Voltage test mode: instantly check battery health without a separate multimeter. Multi-use versatility: cars, trucks, motorcycles, ATVs, UTVs, RVs, boats, tractors, and more. Multi-chemistry support: compatible with Lithium (LiFePO4/LFP) and Lead/Acid (AGM, STD, GEL, WET, VRLA). Multi-voltage charging: works with 6v and 12v lithium plus 12v lead/acid batteries. BMS Re-Set: wakes lithium batteries that have gone into protection mode. Power supply mode: delivers up to 10A at 12–14V to maintain vehicle electronics during battery swaps or power small 12V devices. Recondition mode: helps restore performance in damaged or sulfated lead/acid batteries. Maintenance charging: safe low-amp mode for smaller lead/acid batteries such as lawn tractors. Automatic Winter Mode: snowflake icon shows when charging adapts for cold weather. Complete protection suite: safeguards against short-circuit, overload, low/high voltage, over-charge, over-discharge, over-temp, and reverse connection. Specifications Input Voltage 110–120V AC ~ 50–60 Hz (US plug) Output Voltage 6V / 12V DC Max Output Current @ 6V 2A Max Output Current @ 12V STD/AGM/LFP 10A Battery Capacity Range 3Ah – 200Ah Recondition Mode 16.5V DC / 2.5A (lead/acid only) Operating Temperature -4°F to 104°F (-20°C to 40°C) Protection Class Class II, IP65 Dimensions 9.4" × 4.4" × 2.5" Warranty 3 years UPC 711811704918 SKU AG-BC-SC-10 FAQs: Antigravity SC-10 Super-Charger What does the LCD screen show? It displays voltage, amps, charge level (20–100%), battery type (STD, AGM, LFP), and function icons like BMS reset, voltage test, power supply, and winter mode. Is it easy to use for someone not technical? Yes. With only two buttons, it’s simple to set up. Just pick your battery type, select a function if needed, and connect the clamps. The charger does the rest automatically. Can I use the power supply mode for ECU tuning? No. The SC-10 delivers up to 10A at 12–14V, which is perfect for swaps and small 12V devices, but not high-current ECU tuning that requires specialized equipment. Will it recover an old battery? The Recondition function can help revive lead/acid batteries damaged by sulfation or undercharging. Results vary depending on battery condition, but it gives you a chance to restore performance before replacing. Keep every vehicle ready to fire up with the Antigravity SC-10 Super-Charger. Order today and enjoy a modern, versatile charging system built for performance and reliability.

Antigravity SC-2 Super-Charger Compact. Smart. Always Ready. The Antigravity SC-2 Super-Charger is a next-generation 2-amp charger and maintainer for lithium (LiFePO4/LFP) and lead/acid batteries. Engineered with advanced microchip-controlled technology, it delivers safe, precise charging to extend battery life and maintain peak performance. Compact and easy to use, the SC-2 is ideal for small-capacity batteries up to 60Ah in motorcycles, powersports vehicles, cars, and more. Whether you’re storing your bike for the off-season or maintaining a lawn tractor that only runs occasionally, the SC-2 keeps your batteries fully charged and ready to start at a moment’s notice. Key Features & Benefits 2-Amp Smart Charging: Perfect for small-capacity batteries from 3Ah to 60Ah. Multi-Chemistry Support: Works with Lithium (LiFePO4/LFP) and Lead/Acid (AGM, STD, GEL, WET, FLA, VRLA) batteries. Multi-Voltage Capability: Charges 6V & 12V lithium and 12V lead/acid systems. Advanced LCD Display: Shows real-time voltage, capacity, and charge status. Recondition Mode: Restores performance of aging lead/acid batteries (not for lithium). Automatic Winter Mode: Adjusts charging profile for cold temperatures. Complete Safety Protection: Overcharge, reverse-polarity, and short-circuit protection built in. Simple One-Button Operation: Hassle-free use for quick setup and maintenance. Durable & Compact: IP65-rated weather-resistant case for shop or garage use. Universal Compatibility: Ideal for motorcycles, ATVs, UTVs, cars, trucks, RVs, boats, tractors, and mowers. Specifications Input Voltage 110–120V AC ~ 50–60 Hz (US plug) Output Voltage 6V / 12V DC Max Output Current 2A Battery Capacity Range 3Ah – 60Ah Recondition Mode 16.5V DC / 1.5A (lead/acid only) Operating Temperature -4°F to 104°F (-20°C to 40°C) Protection Class Class II, IP65 Dimensions 6.2" × 3.3" × 1.8" Warranty 3 years UPC 711811704895 SKU AG-BC-SC-2 Included in the Box SC-2 Super-Charger unit Battery clamp leads Ring terminal pigtail lead User manual The SC-2 includes an attached 6-ft power cable and 5-ft SAE charging lead, plus two 16-inch interchangeable accessories (clamps and pigtail) that connect via the SAE connector. Why Choose the SC-2? Unlike basic trickle chargers, the SC-2 delivers precise microprocessor-controlled charging to ensure optimal performance and extended battery life. It’s purpose-built for smaller-capacity batteries, providing gentle maintenance charging to prevent sulfation, parasitic drain, and premature failure. Backed by Antigravity’s 3-year warranty, the SC-2 is the smart choice for keeping your garage of vehicles fully powered and always ready to ride, drive, or work.

Antigravity SC-4 Super-Charger The Antigravity SC-4 Super-Charger is a compact 4-Amp charging solution built for everyday riders, weekend racers, and anyone who wants reliable battery maintenance. Perfect for lithium or lead/acid batteries up to 120Ah, this smart charger combines advanced safety protections with easy-to-use features. Whether you’re prepping your track car, maintaining a motorcycle during the off-season, or keeping a tractor ready for work, the SC-4 delivers dependable power without the guesswork. Smart charging made simple Antigravity SC-4 Super-Charger Features Multi-use versatility: works with cars, trucks, motorcycles, ATVs, UTVs, RVs, tractors, boats, and more. Multi-chemistry support: compatible with Lithium (LiFePO4/LFP) and Lead/Acid (AGM, STD, GEL, WET, VRLA). Multi-voltage operation: charges 6V and 12V lithium plus 12V lead/acid types. LCD digital display: shows real-time voltage, current, and charging progress. Two-button simplicity: quickly select battery type or special function. Built-in voltage tester: monitor your battery health without extra tools. Power supply mode: delivers 14v at 4A to keep electronics live during swaps. BMS Re-Set function: wakes lithium batteries that enter protection mode. Recondition mode: attempts to revive sulfated or undercharged lead/acid batteries. Automatic Winter Mode: optimized charging in cold conditions. Compact size: 7.8 x 3.7 x 1.8 inches with IP65 protection rating. Specifications Input Voltage 110–120V AC ~ 50–60 Hz (US plug) Output Voltage 6V / 12V DC Max Output Current @ 6V 2A Max Output Current @ 12V STD/AGM/LFP 4A Battery Capacity Range 3Ah – 120Ah Recondition Mode 16.5V DC / 1.5A (lead/acid only) Operating Temperature -4°F to 104°F (-20°C to 40°C) Protection Class Class II, IP65 Dimensions 7.8" × 3.7" × 1.8" Warranty 3 years UPC 711811704901 SKU AG-BC-SC-4 FAQs: Antigravity SC-4 Super-Charger What size batteries can the SC-4 handle? It’s designed for battery capacities from 3Ah up to 120Ah, making it ideal for motorcycles, ATVs, and daily drivers. Is the SC-4 safe to leave connected long-term? Yes. It has automatic maintenance mode and built-in safety protections, so you can keep it connected without worry. How is the SC-4 different from the SC-10? The SC-4 provides 4A charging, best for small to mid-size batteries. The SC-10 offers faster 10A charging and is better for larger-capacity batteries. Can I use it for battery swaps? Absolutely. The 4A power supply function keeps vehicle electronics energized so you don’t lose settings during battery changes. Keep your batteries healthy and ready to go with the Antigravity SC-4 Super-Charger. Order today and enjoy dependable, easy-to-use charging technology built for real-world performance.

Antigravity AG-MSA-9 Tire Inflator / Air Pump Compact Power to Keep You Rolling Anywhere The Antigravity AG-MSA-9 Tire Inflator / Air Pump is an ultra-compact and portable air compressor designed to work seamlessly with your Micro-Start jump-starter or Portable Power Station. At just 3.5 x 1.5 x 4.25 inches and weighing only 1 lb, this travel-ready air pump packs serious convenience into a tiny footprint, letting you inflate tires and other gear anywhere, anytime. Perfect for topping off car, truck, motorcycle, or dirt bike tires on the road or trail, it’s also ideal for bicycles, sports balls, small rafts, and other inflatables. It features a built-in pressure gauge and an integrated LED light to make night or roadside use safer and easier. Whether it lives in your glovebox, motorcycle saddlebag, or adventure kit, this inflator is the ultimate just-in-case tool to keep you moving. Key Features Ultra-Compact: Just 3.5″ x 1.5″ x 4.25″ and only 1 lb — fits in a glovebox or saddlebag. Versatile Power Options: Works with 12V output from Micro-Start or vehicle cigarette lighter port. LED Work Light: Built-in illumination makes night or roadside use easy. Pressure Gauge: Integrated gauge shows tire pressure while inflating. Multi-Use: Inflate vehicle tires, sports balls, small rafts, air mattresses, and more. Portable Kit: Includes power cables and inflation tips for on-the-go use. Detachable Cables: Compact 12" SAE-DC cable and long 9' SAE-cigarette lighter cable included. Kit Includes Mini Tire Inflator / Air Pump 12-inch Cable (SAE to DC 5.5mm) for use with Micro-Start 12V port 9-foot Cable (SAE to Male Cigarette Lighter) to reach any tire on a vehicle Needle Tip for inflating sports balls Plastic Tip for inflating small rafts, air mattresses, and other small inflatables Specifications Dimensions: 3.5″ x 1.5″ x 4.25″ (89x38x108mm) Weight: 16 oz (454 g) Power: 12V DC (via vehicle cigarette lighter, Micro-Start, or Portable Power Station) Accuracy: Gauge is accurate within 3–4 psi (for emergency use only) Compatible With XP-20-HD XP-20 XP-10-G2 (Gen 2) XP-10-HD XP-10 (Gen 1) XP-1 (Gen 1) PS-80 PS-45 Note: This inflator will not work with Micro-Start models that only have USB ports. It requires a 12V DC output port.

Antigravity VTX-20 — Lithium 16V Motorsports Battery Ultra-light, high-power 16-volt racing battery in a compact YTX12 case. The Antigravity VTX-20 16-Volt Lithium Battery delivers huge cranking power in the smallest, lightest package you’ll find for motorsports. Built for race vehicles that run 16V systems, the VTX-20 weighs just ~5.15 lbs and packs 500 Cranking Amps in a compact YTX12 case—ideal when every pound and every inch matters. Actual voltage is ~16.5V for a hot, reliable spark. Serious power-to-weight: ~5.15 lbs with 500 CCA-equivalent cranking performance. Compact footprint: YTX12 case size fits tight race bays and lightweight builds. Race-proven 16V output: stronger spark and faster starts for competition engines. Low self-discharge: can hold a charge up to a year (no parasitic drains present). Durable hardware: large all-brass terminals for secure, low-resistance connections. Cost-effective weight loss: drop up to ~28 lbs in race cars vs. typical lead-acid. Important: The VTX-20 is for 16-volt systems only and racing applications. Not for passenger/street cars. Charge with a 16V LiFePO4-compatible charger only (e.g., Antigravity 16V 5A). Features Ultra-lightweight, high-power LiFePO4 motorsports battery Most compact/powerful 16V lithium battery in its class Up to ~28 lb weight savings in race cars (~14 lb in motorcycles) Can hold a charge up to 1 year with no parasitic drains Large all-brass terminal design for robust, low-loss connections Suitable for vehicles using 16V systems (confirm application) Best Uses Race vehicles using 16-volt electrical systems Excellent for dedicated race cars Not for passenger cars or street-use automobiles Specifications Antigravity VTX-20 — 16V Lithium Battery Case / Size YTX12 | 5.9 x 3.43 x 5.12 in (L×W×H to top) Voltage (Actual) ~16.5V (16V system) Cranking Power 500 Cranking Amps Capacity 25Ah Pb-Eq / 12.5Ah Actual / 200Wh Weight ~5.15 lbs Terminals Large all-brass posts Chemistry Lithium Iron Phosphate (LiFePO4) Usage & Charging Use only a 16V LiFePO4-compatible charger (CC/CV profile). Before storage, fully charge and disconnect parasitic loads (alarms, ECUs, trackers, etc.). Securely mount the battery; verify terminal torque and cable strain relief. Recommended Pairing For fastest, safest top-offs between sessions, pair with the Antigravity 16V Lithium Charger — 5A (110–230V AC, multiple protections, LED status with voltage/current screen). What’s in the Box Antigravity VTX-20 16V Lithium Battery (YTX12 case) Terminal hardware Quick-start/usage guide FAQs Will this work on my street car?No. The VTX-20 is intended for race vehicles using 16-volt electrical systems. How long can it sit between events?Up to ~1 year if there are no parasitic drains. Disconnect or manage accessories that pull current when parked. Which charger should I use?A dedicated 16V LiFePO4 charger only (e.g., Antigravity 16V 5A). Do not use 12V chargers. Need sizing or wiring advice? Our motorsports team can help you integrate a 16V system for your class and build.Competition Motorsport | sales@competitionmotorsport.com | (844) 438-7244

XP-20 Micro-Start Lithium Jump Starter The new XP-20 Micro-Start is Antigravity's most powerful and compact jump starter yet, delivering unrivaled starting performance, ultra-fast charging, and a full suite of portable power features. Powerful Jump-Starting & Fast Recharge Antigravity XP-20 Micro-Start Features 800 A starting current (4000 A peak): jump-starts gas engines up to 10 L and diesel engines up to 8 L, plus cars, trucks, motorcycles, ATVs, and more. 20,000 mAh capacity (74 Wh) with Type-C PD 100 W ultra-fast charging—fully recharges in just one hour. Multiple outputs: Type-C PD 100 W, USB-A (QC3.0), additional USB-A, and 15 V/10 A DC for 12 V devices. 240-lumen built-in LED flashlight with steady, strobe, and SOS modes for emergency lighting. Large digital display shows state of charge, input/output watts, and clear icons for connection status and jump-start readiness. Compact 9.5" × 4.0" × 2.0" footprint makes this the smallest heavy-duty unit in its class. Includes carry case, clamps, cables, and charger. Antigravity XP-20 Micro-Start FAQs What vehicles can the XP-20 start? It can jump-start gas engines up to 10 L, diesel engines up to 8 L, and power most cars, trucks, motorcycles, and powersports vehicles. How quickly does it recharge? Using the included PD 100 W charger, it fully recharges in about one hour—the fastest in its category. Can I charge electronics? Yes—charge laptops, tablets, phones, and 12 V accessories via its Type-C PD, USB-A, and DC outputs. What’s included in the kit? The XP-20 comes complete with a durable carry case, heavy-duty jumper clamps, USB-C and USB-A cables, a 12 V car charger, and an instruction manual. 1 Micro-Start XP-20 1 Carry Case 1 set of Jumper Clamps 1 USB-C to USB-C Cable 1 USB-A to USB-C Cable 1 Cig Lighter Adapter 1 SC100W Mobile/Car Charger 1 Instruction Manual The Micro-Start XP-20 is incredibly simple to use. It comes in a durable zippered Carry Case with EVERYTHING you need to Jump-Start your Vehicles and Charge your Electronics no matter where you are. Take portable power and jump-start capability wherever you go—order the XP-20 Micro-Start today!

XP-20-HD Micro-Start Heavy Duty Jump Starter The new Antigravity XP-20-HD Micro-Start Heavy Duty jump starter delivers the most powerful, compact portable power supply on the market, with unrivaled starting performance, fast charging, and built-in safety features. Maximum Starting Power & Fast Recharging Antigravity XP-20-HD Micro-Start Features Jump-start with 930A starting current (up to 4,650 A peak). Capable of starting gas engines up to 10 L and diesel engines up to 8 L in cars, trucks, motorcycles, ATVs, and boats. Power laptops, tablets, phones, & 12V devices from the 24,000 mAh (88.8 Wh) battery via a Type-C 100W PD port, dual USB-A outputs, and a 15V/10A DC output. Super-fast recharging in only one hour using the included PD 100W charger—the quickest recharge time in its class. Most compact heavy-duty jump starter with a 9.5" × 4.0" × 2.0" footprint for easy storage and portability. Bright built-in LED flashlight and large digital display provide clear state-of-charge and power-usage feedback on the go. Includes robust jump-start clamps with heavy-gauge cables and sturdy jaws, plus multiple safety protections such as reverse polarity and over-current protection. FAQs How long does the XP-20-HD take to recharge? The unit fully recharges in about one hour using the supplied PD 100W charger. What vehicles can it start? It can jump-start gas engines up to 10 L, diesel engines up to 8 L, as well as ATVs, UTVs, and marine engines. Can I charge electronics from the XP-20-HD? Yes—you can quickly charge laptops, tablets, phones, and other devices via Type-C PD, USB-A, and DC outputs. Is the XP-20-HD suitable for motorcycle use? The heavy-duty clamps of the XP-20-HD are fairly large. For most bikes, we recommend the Antigravity XP-15 model. Stay powered and prepared wherever you go — order the XP-20-HD Micro-Start Heavy Duty Jump Starter now and never get stranded again!

AP Racing 345x30mm 2-piece J Hook Front Floating Racing Brake Rotors Fit The Following Cars  Corvette C8 Z51 Iron Rotor Front AP Racing by Essex 2-piece Competition J Hook front disc pair for Corvette C8 Z51 with iron discs 345mm x 30mm (13.59" x 1.18") 72 Vane, D66 Huge increase in airflow, cooling capacity, and durability vs. OEM discs Saves 2 lbs. unsprung weight per side vs. OEM iron discs Designed for: club racing, time trial, auto-x, HPDE Works with OEM calipers, no modifications required Ultralight, fully floating, anodized billet aluminum hat with float control/anti-rattle clips Sold/priced per pair. AP Racing J Hook Brake Rotors – The Gold Standard in Track Day & Racing Performance Engineered for professional motorsport, HPDE, and dedicated track day use, AP Racing’s J Hook Brake Rotors deliver uncompromising performance, thermal stability, and consistent braking power. These two-piece, floating rotors are built to handle the extreme demands of road racing, with design features derived from over 50 years of elite competition—including Formula 1, NASCAR, and IMSA. Unlike conventional one-piece rotors, AP Racing’s two-piece floating design features a billet aluminum hat mated to a cast iron disc via precision-engineered bobbins. This setup allows for controlled radial expansion under high heat, minimizing distortion and coning. The result? More even pad wear, a firmer pedal feel, and longer component life, even during extended lapping sessions or endurance racing. Floating hardware includes anti-knockback spring clips that reduce piston retraction while eliminating common NVH issues like rattling. Why Choose AP Racing J Hook Rotors? Advanced Cooling, Superior Bite, Unmatched Durability At the heart of every rotor is AP Racing’s proprietary high-carbon iron alloy, developed to withstand repeated thermal cycling without cracking or warping. Internally, directional vanes—far superior to OEM pillar or straight vane designs—maximize airflow and cooling. With 60 to 84 vanes per rotor, AP Racing achieves faster heat evacuation, reduced brake fade, and a more consistent friction surface. These rotors are left/right-specific for optimal airflow and balance. The exclusive J Hook slot pattern offers enhanced initial bite and promotes uniform heat distribution across the rotor face, reducing pad deposits and vibration. Unlike drilled rotors or straight-slot competitors, the J Hook design provides cleaner pad transfer during bed-in and superior modulation under braking—ideal for serious drivers who demand feedback and control. Yes, you might hear a little more whirr, but you’ll gain the stopping power, consistency, and longevity your lap times demand. Premium Components, Affordable Performance The rotor hats are CNC-machined from 6061-T6 billet aluminum and hard anodized for strength and heat resistance. Scalloped edges under the hat further assist heat dissipation. All hardware is U.S.-made to AP Racing spec, the same quality found on pro-level racing platforms. And while these rotors are race-proven, they’re also surprisingly cost-effective to replace. Don’t settle for cheap rotors that crack after a weekend—AP’s J Hook rings offer better durability and real long-term value. Fewer replacements mean more track time, less downtime, and peace of mind knowing you're running the best. Used by Champions. Trusted by Experts. From endurance racers to HPDE enthusiasts, AP Racing brake rotors are trusted worldwide for their reliability, longevity, and performance under pressure. Whether you're shaving seconds off your lap time or building a dedicated track car, the J Hook delivers a professional-grade solution that won’t let you down.   AP Racing J Hook Brake Rotors for Auto Racing, Track Days & HPDE Why Rotor Design Matters: Heat Expansion and Floating Technology As with most metals, iron brake discs expand significantly under heat. When temperatures rise, the disc grows radially—expanding in both diameter and circumference. Traditional one-piece rotors struggle to accommodate this natural expansion. As the outer edge pulls away from the center under heat stress, it creates a condition called “coning”—a distortion that compromises pad-to-rotor contact. This distortion can lead to uneven pad wear, brake tapering, and an inconsistent, long brake pedal. AP Racing two-piece floating brake rotors are purpose-built to eliminate these issues. Engineered with “float” built into the disc or hat assembly, these rotors feature oblong-shaped mounting holes that allow the hardware to slide as the disc heats up. This flexibility ensures the disc runs true within the caliper under high-temperature loads, effectively reducing distortion, minimizing pad taper and stress cracks, and promoting longer component life. Custom Mounting Hardware & Anti-Knockback Spring Clips AP Racing rotors utilize application-specific, U.S.-made mounting hardware—not generic bolts. These premium components are the exact parts used in AP’s professional motorsport products, engineered to withstand the rigors of competitive racing. To manage lateral disc motion that can push caliper pistons backward (known as knockback), AP Racing integrates anti-knockback spring clips on alternating bobbins—five on a ten-bolt setup, six on a twelve-bolt disc. These clips keep the aluminum hat and iron disc ring properly aligned while still allowing for radial float. Bonus: they eliminate annoying rattles and vibrations, ensuring a quieter, more refined braking experience. High-Performance Hat Design for Heat Isolation The disc hats in AP Racing’s two-piece floating rotors are CNC-machined from 6061-T6 billet aluminum and finished with a hard anodized coating. This high-strength aluminum alloy was selected for its ability to maintain structural integrity even at elevated temperatures. AP adds scalloped channels beneath the hat to further encourage airflow and heat evacuation from the outer disc face, minimizing thermal transfer to hubs and wheel bearings—helping reduce maintenance costs on these expensive components. Internal Vane Engineering: Airflow Optimization & Thermal Stability AP Racing’s internal vane design sets them apart from OEM and most aftermarket competitors. While many factory brake discs use non-directional pillar vanes (low-cost and NVH-focused), AP Racing rotors use directional vanes engineered for maximum airflow. These rotors are side-specific—meaning you’ll receive a unique left and right disc in each set—ensuring optimized cooling through strategic vane orientation and shape. Beyond that, AP Racing rotors feature a superior vane count, typically ranging from 60 to 84 vanes, compared to 30–48 in most aftermarket rotors. After extensive CFD and thermal analysis, this high vane count was proven to: Increase airspeed and thermal transfer Reduce recirculation and deflection at the disc face Minimize coning, cracking, and brake fade Deliver more even pad contact and extended rotor life J Hook Slot Pattern: Exclusive to AP Racing Slots and drill holes may improve initial bite, but they also introduce “cool spots” in the rotor face—areas of uneven heating that can lead to stress risers, cracks, and pad vibration. OEM rotors often avoid this by leaving the disc face blank, but that compromises bite and brake feel. AP Racing’s patented J Hook design, developed through rigorous R&D, solves this problem. The hooks are meticulously spaced around the disc’s circumference and from hat to edge, forming a continuous distortion path that ensures even heat distribution. This encourages uniform pad deposits during bed-in, helps reduce judder and cracking, and improves consistency under repeated high-load braking. In addition, the J Hook slots provide more leading edges for pads to grip than traditional curved slots or blank rotors. While this might generate a mild whirring sound during braking, the benefits—more bite, cleaner bedding, better pedal feel—make it the top choice for committed racers and serious track day drivers. Metallurgy Backed by 50+ Years of Motorsport Leadership AP Racing's reputation is built on performance, and their proprietary iron alloy used in J Hook rotors is no exception. Drawing from over five decades of elite motorsport experience, including 750+ Formula 1 wins and widespread use across NASCAR, AP’s engineers have developed a disc alloy that excels under sustained racing temperatures and stress. Where OEM discs focus on affordability and mass production, AP Racing’s J Hook rotors are purpose-built for motorsport durability and heat resistance. Affordable Replacement Cost: Serious Value for Serious Drivers Even the best brake rotors are consumables. When you drive hard—especially at the track—your discs will eventually wear out. That’s why AP Racing designed their replacement iron rings to be cost-effective, allowing you to replace worn parts without breaking the bank. Compare that to constantly buying cheap $150 rotors every weekend—rotors that can't handle the heat and need to be swapped frequently. With AP Racing’s J Hook rotors, you get longer service intervals, less downtime, and better performance over time, making them an incredibly smart long-term investment. Proven on Track. Trusted by Champions. Top-tier racing teams rely on AP Racing J Hook rotors for one reason: they perform under pressure. Whether you're running time trials, attending HPDE events, or competing in wheel-to-wheel racing, these rotors offer professional-grade reliability, safety, and performance. Bedding and preparation of AP Racing J Hook Disc Properly preparing your new brake discs before heavy use is extremely important. The goal of bedding-in your brake pads and discs is to mate them together properly and prepare them for heavy use.  When prepared properly, or bed-in, your pads will transfer a thin layer of material to the disc face (transfer layer).  The pads in your caliper will then actually ride on that thin layer of pad material you’ve put down on the rotor, rather than rubbing directly on the iron rotor face.  A good transfer layer is going to give you superior brake pedal feel, less noise, superior pad wear, and lower the chances of cracking your discs. Important Notes- PLEASE READ! First, make sure you are on a closed course to perform a proper bed-in.  Do NOT perform the procedure on public roads.  You need a stretch of asphalt with long straights, good visibility, and no potential obstructions.  Make sure you are in a position to safely and repeatedly attain the necessary speeds to perform the bed-in procedure.  A controlled racetrack is the best place to perform this procedure.  AP Racing and Competition Motorsport in no way suggest or condone speeding on public roads or breaking the law in your car, nor do we take responsibility for any damage or injury that occurs as a result of using our product or these procedures.  You are performing the bed-in procedure at your own risk.  During these procedures, it’s critical that you never come to a complete stop with your foot on the brake pedal.  If you have brake ducts on your car, you may want to block them off to allow your brake system to heat up easily. The procedure outlined below is a generic procedure for most types of mild race pad.  Please check your pad manufacturer’s recommended bed-in procedure. Accelerate to approximately 60mph and then decelerate down to 5 mph.  If your car has ABS, you should try to hold the brakes at a point just before ABS intervention.  Once the car slows to 5mph, immediately accelerate back up to about 60mph, and brake again to roughly 5mph.  Repeat this series of stopping and accelerating 8 to 10 times.  Again, do not come to a complete stop with your foot on the brake pedal. Cool the brake system down by cruising at 45mph+ for 5 to 10 minutes. Visually inspect your discs.  They should be a blue/grey color (instead of shiny silver), and have an even layer of pad material across and around the entire rotor face. If the AP Racing rotors don’t have a layer of pad material on them, perform another series of stops in the manner outlined above.

AP Racing 345x30mm Replacement J Hook Front Floating Racing Brake Rotors Fit The Following Cars (w/ OEM Iron Rotors)- Center hat Excluded, rotor discs and hardware only. Replacement Disc Only For AP Racing 13.01.20042 Fit The Following Cars (w/ OEM Iron Rotors) Corvette C8 Z51  AP Racing by Essex 2-piece Competition J Hook front disc pair for Corvette C8 Z51 with iron discs 345mm x 30mm (13.59" x 1.18") 72 Vane, D66 Huge increase in airflow, cooling capacity, and durability vs. OEM discs Saves 2 lbs. unsprung weight per side vs. OEM iron discs Designed for: club racing, time trial, auto-x, HPDE Works with OEM calipers, no modifications required Ultralight, fully floating, anodized billet aluminum hat with float control/anti-rattle clips Sold/priced per pair of rotor rings (including hardware). AP Racing J Hook Brake Rotors – The Gold Standard in Track Day & Racing Performance Engineered for professional motorsport, HPDE, and dedicated track day use, AP Racing’s J Hook Brake Rotors deliver uncompromising performance, thermal stability, and consistent braking power. These two-piece, floating rotors are built to handle the extreme demands of road racing, with design features derived from over 50 years of elite competition—including Formula 1, NASCAR, and IMSA. Unlike conventional one-piece rotors, AP Racing’s two-piece floating design features a billet aluminum hat mated to a cast iron disc via precision-engineered bobbins. This setup allows for controlled radial expansion under high heat, minimizing distortion and coning. The result? More even pad wear, a firmer pedal feel, and longer component life, even during extended lapping sessions or endurance racing. Floating hardware includes anti-knockback spring clips that reduce piston retraction while eliminating common NVH issues like rattling. Why Choose AP Racing J Hook Rotors? Advanced Cooling, Superior Bite, Unmatched Durability At the heart of every rotor is AP Racing’s proprietary high-carbon iron alloy, developed to withstand repeated thermal cycling without cracking or warping. Internally, directional vanes—far superior to OEM pillar or straight vane designs—maximize airflow and cooling. With 60 to 84 vanes per rotor, AP Racing achieves faster heat evacuation, reduced brake fade, and a more consistent friction surface. These rotors are left/right-specific for optimal airflow and balance. The exclusive J Hook slot pattern offers enhanced initial bite and promotes uniform heat distribution across the rotor face, reducing pad deposits and vibration. Unlike drilled rotors or straight-slot competitors, the J Hook design provides cleaner pad transfer during bed-in and superior modulation under braking—ideal for serious drivers who demand feedback and control. Yes, you might hear a little more whirr, but you’ll gain the stopping power, consistency, and longevity your lap times demand. Premium Components, Affordable Performance The rotor hats are CNC-machined from 6061-T6 billet aluminum and hard anodized for strength and heat resistance. Scalloped edges under the hat further assist heat dissipation. All hardware is U.S.-made to AP Racing spec, the same quality found on pro-level racing platforms. And while these rotors are race-proven, they’re also surprisingly cost-effective to replace. Don’t settle for cheap rotors that crack after a weekend—AP’s J Hook rings offer better durability and real long-term value. Fewer replacements mean more track time, less downtime, and peace of mind knowing you're running the best. Used by Champions. Trusted by Experts. From endurance racers to HPDE enthusiasts, AP Racing brake rotors are trusted worldwide for their reliability, longevity, and performance under pressure. Whether you're shaving seconds off your lap time or building a dedicated track car, the J Hook delivers a professional-grade solution that won’t let you down.   AP Racing J Hook Brake Rotors for Auto Racing, Track Days & HPDE Why Rotor Design Matters: Heat Expansion and Floating Technology As with most metals, iron brake discs expand significantly under heat. When temperatures rise, the disc grows radially—expanding in both diameter and circumference. Traditional one-piece rotors struggle to accommodate this natural expansion. As the outer edge pulls away from the center under heat stress, it creates a condition called “coning”—a distortion that compromises pad-to-rotor contact. This distortion can lead to uneven pad wear, brake tapering, and an inconsistent, long brake pedal. AP Racing two-piece floating brake rotors are purpose-built to eliminate these issues. Engineered with “float” built into the disc or hat assembly, these rotors feature oblong-shaped mounting holes that allow the hardware to slide as the disc heats up. This flexibility ensures the disc runs true within the caliper under high-temperature loads, effectively reducing distortion, minimizing pad taper and stress cracks, and promoting longer component life. Custom Mounting Hardware & Anti-Knockback Spring Clips AP Racing rotors utilize application-specific, U.S.-made mounting hardware—not generic bolts. These premium components are the exact parts used in AP’s professional motorsport products, engineered to withstand the rigors of competitive racing. To manage lateral disc motion that can push caliper pistons backward (known as knockback), AP Racing integrates anti-knockback spring clips on alternating bobbins—five on a ten-bolt setup, six on a twelve-bolt disc. These clips keep the aluminum hat and iron disc ring properly aligned while still allowing for radial float. Bonus: they eliminate annoying rattles and vibrations, ensuring a quieter, more refined braking experience. High-Performance Hat Design for Heat Isolation The disc hats in AP Racing’s two-piece floating rotors are CNC-machined from 6061-T6 billet aluminum and finished with a hard anodized coating. This high-strength aluminum alloy was selected for its ability to maintain structural integrity even at elevated temperatures. AP adds scalloped channels beneath the hat to further encourage airflow and heat evacuation from the outer disc face, minimizing thermal transfer to hubs and wheel bearings—helping reduce maintenance costs on these expensive components. Internal Vane Engineering: Airflow Optimization & Thermal Stability AP Racing’s internal vane design sets them apart from OEM and most aftermarket competitors. While many factory brake discs use non-directional pillar vanes (low-cost and NVH-focused), AP Racing rotors use directional vanes engineered for maximum airflow. These rotors are side-specific—meaning you’ll receive a unique left and right disc in each set—ensuring optimized cooling through strategic vane orientation and shape. Beyond that, AP Racing rotors feature a superior vane count, typically ranging from 60 to 84 vanes, compared to 30–48 in most aftermarket rotors. After extensive CFD and thermal analysis, this high vane count was proven to: Increase airspeed and thermal transfer Reduce recirculation and deflection at the disc face Minimize coning, cracking, and brake fade Deliver more even pad contact and extended rotor life J Hook Slot Pattern: Exclusive to AP Racing Slots and drill holes may improve initial bite, but they also introduce “cool spots” in the rotor face—areas of uneven heating that can lead to stress risers, cracks, and pad vibration. OEM rotors often avoid this by leaving the disc face blank, but that compromises bite and brake feel. AP Racing’s patented J Hook design, developed through rigorous R&D, solves this problem. The hooks are meticulously spaced around the disc’s circumference and from hat to edge, forming a continuous distortion path that ensures even heat distribution. This encourages uniform pad deposits during bed-in, helps reduce judder and cracking, and improves consistency under repeated high-load braking. In addition, the J Hook slots provide more leading edges for pads to grip than traditional curved slots or blank rotors. While this might generate a mild whirring sound during braking, the benefits—more bite, cleaner bedding, better pedal feel—make it the top choice for committed racers and serious track day drivers. Metallurgy Backed by 50+ Years of Motorsport Leadership AP Racing's reputation is built on performance, and their proprietary iron alloy used in J Hook rotors is no exception. Drawing from over five decades of elite motorsport experience, including 750+ Formula 1 wins and widespread use across NASCAR, AP’s engineers have developed a disc alloy that excels under sustained racing temperatures and stress. Where OEM discs focus on affordability and mass production, AP Racing’s J Hook rotors are purpose-built for motorsport durability and heat resistance. Affordable Replacement Cost: Serious Value for Serious Drivers Even the best brake rotors are consumables. When you drive hard—especially at the track—your discs will eventually wear out. That’s why AP Racing designed their replacement iron rings to be cost-effective, allowing you to replace worn parts without breaking the bank. Compare that to constantly buying cheap $150 rotors every weekend—rotors that can't handle the heat and need to be swapped frequently. With AP Racing’s J Hook rotors, you get longer service intervals, less downtime, and better performance over time, making them an incredibly smart long-term investment. Proven on Track. Trusted by Champions. Top-tier racing teams rely on AP Racing J Hook rotors for one reason: they perform under pressure. Whether you're running time trials, attending HPDE events, or competing in wheel-to-wheel racing, these rotors offer professional-grade reliability, safety, and performance. Bedding and preparation of AP Racing J Hook Disc Properly preparing your new brake discs before heavy use is extremely important. The goal of bedding-in your brake pads and discs is to mate them together properly and prepare them for heavy use.  When prepared properly, or bed-in, your pads will transfer a thin layer of material to the disc face (transfer layer).  The pads in your caliper will then actually ride on that thin layer of pad material you’ve put down on the rotor, rather than rubbing directly on the iron rotor face.  A good transfer layer is going to give you superior brake pedal feel, less noise, superior pad wear, and lower the chances of cracking your discs. Important Notes- PLEASE READ! First, make sure you are on a closed course to perform a proper bed-in.  Do NOT perform the procedure on public roads.  You need a stretch of asphalt with long straights, good visibility, and no potential obstructions.  Make sure you are in a position to safely and repeatedly attain the necessary speeds to perform the bed-in procedure.  A controlled racetrack is the best place to perform this procedure.  AP Racing and Competition Motorsport in no way suggest or condone speeding on public roads or breaking the law in your car, nor do we take responsibility for any damage or injury that occurs as a result of using our product or these procedures.  You are performing the bed-in procedure at your own risk.  During these procedures, it’s critical that you never come to a complete stop with your foot on the brake pedal.  If you have brake ducts on your car, you may want to block them off to allow your brake system to heat up easily. The procedure outlined below is a generic procedure for most types of mild race pad.  Please check your pad manufacturer’s recommended bed-in procedure. Accelerate to approximately 60mph and then decelerate down to 5 mph.  If your car has ABS, you should try to hold the brakes at a point just before ABS intervention.  Once the car slows to 5mph, immediately accelerate back up to about 60mph, and brake again to roughly 5mph.  Repeat this series of stopping and accelerating 8 to 10 times.  Again, do not come to a complete stop with your foot on the brake pedal. Cool the brake system down by cruising at 45mph+ for 5 to 10 minutes. Visually inspect your discs.  They should be a blue/grey color (instead of shiny silver), and have an even layer of pad material across and around the entire rotor face. If the AP Racing rotors don’t have a layer of pad material on them, perform another series of stops in the manner outlined above.

AP Racing 345x30mm 2-piece J Hook Front Floating Racing Brake Rotors Fit The Following Cars  Corvette C8 Z51 Iron Rotor Rear AP Racing 2-piece Competition J Hook rear disc pair for Corvette C8 Z51 with iron discs 350mm x 28mm (13.78" x 1.10") 72 Vane, D66 Huge increase in airflow, cooling capacity, and durability vs. OEM discs Saves 2 lbs. unsprung weight per side vs. OEM iron discs Designed for: club racing, time trial, auto-x, HPDE Works with OEM calipers, no modifications required Ultralight, fully floating, anodized billet aluminum hat with float control/anti-rattle clips Sold/priced per pair. AP Racing J Hook Brake Rotors – The Gold Standard in Track Day & Racing Performance Engineered for professional motorsport, HPDE, and dedicated track day use, AP Racing’s J Hook Brake Rotors deliver uncompromising performance, thermal stability, and consistent braking power. These two-piece, floating rotors are built to handle the extreme demands of road racing, with design features derived from over 50 years of elite competition—including Formula 1, NASCAR, and IMSA. Unlike conventional one-piece rotors, AP Racing’s two-piece floating design features a billet aluminum hat mated to a cast iron disc via precision-engineered bobbins. This setup allows for controlled radial expansion under high heat, minimizing distortion and coning. The result? More even pad wear, a firmer pedal feel, and longer component life, even during extended lapping sessions or endurance racing. Floating hardware includes anti-knockback spring clips that reduce piston retraction while eliminating common NVH issues like rattling. Why Choose AP Racing J Hook Rotors? Advanced Cooling, Superior Bite, Unmatched Durability At the heart of every rotor is AP Racing’s proprietary high-carbon iron alloy, developed to withstand repeated thermal cycling without cracking or warping. Internally, directional vanes—far superior to OEM pillar or straight vane designs—maximize airflow and cooling. With 60 to 84 vanes per rotor, AP Racing achieves faster heat evacuation, reduced brake fade, and a more consistent friction surface. These rotors are left/right-specific for optimal airflow and balance. The exclusive J Hook slot pattern offers enhanced initial bite and promotes uniform heat distribution across the rotor face, reducing pad deposits and vibration. Unlike drilled rotors or straight-slot competitors, the J Hook design provides cleaner pad transfer during bed-in and superior modulation under braking—ideal for serious drivers who demand feedback and control. Yes, you might hear a little more whirr, but you’ll gain the stopping power, consistency, and longevity your lap times demand. Premium Components, Affordable Performance The rotor hats are CNC-machined from 6061-T6 billet aluminum and hard anodized for strength and heat resistance. Scalloped edges under the hat further assist heat dissipation. All hardware is U.S.-made to AP Racing spec, the same quality found on pro-level racing platforms. And while these rotors are race-proven, they’re also surprisingly cost-effective to replace. Don’t settle for cheap rotors that crack after a weekend—AP’s J Hook rings offer better durability and real long-term value. Fewer replacements mean more track time, less downtime, and peace of mind knowing you're running the best. Used by Champions. Trusted by Experts. From endurance racers to HPDE enthusiasts, AP Racing brake rotors are trusted worldwide for their reliability, longevity, and performance under pressure. Whether you're shaving seconds off your lap time or building a dedicated track car, the J Hook delivers a professional-grade solution that won’t let you down.   AP Racing J Hook Brake Rotors for Auto Racing, Track Days & HPDE Why Rotor Design Matters: Heat Expansion and Floating Technology As with most metals, iron brake discs expand significantly under heat. When temperatures rise, the disc grows radially—expanding in both diameter and circumference. Traditional one-piece rotors struggle to accommodate this natural expansion. As the outer edge pulls away from the center under heat stress, it creates a condition called “coning”—a distortion that compromises pad-to-rotor contact. This distortion can lead to uneven pad wear, brake tapering, and an inconsistent, long brake pedal. AP Racing two-piece floating brake rotors are purpose-built to eliminate these issues. Engineered with “float” built into the disc or hat assembly, these rotors feature oblong-shaped mounting holes that allow the hardware to slide as the disc heats up. This flexibility ensures the disc runs true within the caliper under high-temperature loads, effectively reducing distortion, minimizing pad taper and stress cracks, and promoting longer component life. Custom Mounting Hardware & Anti-Knockback Spring Clips AP Racing rotors utilize application-specific, U.S.-made mounting hardware—not generic bolts. These premium components are the exact parts used in AP’s professional motorsport products, engineered to withstand the rigors of competitive racing. To manage lateral disc motion that can push caliper pistons backward (known as knockback), AP Racing integrates anti-knockback spring clips on alternating bobbins—five on a ten-bolt setup, six on a twelve-bolt disc. These clips keep the aluminum hat and iron disc ring properly aligned while still allowing for radial float. Bonus: they eliminate annoying rattles and vibrations, ensuring a quieter, more refined braking experience. High-Performance Hat Design for Heat Isolation The disc hats in AP Racing’s two-piece floating rotors are CNC-machined from 6061-T6 billet aluminum and finished with a hard anodized coating. This high-strength aluminum alloy was selected for its ability to maintain structural integrity even at elevated temperatures. AP adds scalloped channels beneath the hat to further encourage airflow and heat evacuation from the outer disc face, minimizing thermal transfer to hubs and wheel bearings—helping reduce maintenance costs on these expensive components. Internal Vane Engineering: Airflow Optimization & Thermal Stability AP Racing’s internal vane design sets them apart from OEM and most aftermarket competitors. While many factory brake discs use non-directional pillar vanes (low-cost and NVH-focused), AP Racing rotors use directional vanes engineered for maximum airflow. These rotors are side-specific—meaning you’ll receive a unique left and right disc in each set—ensuring optimized cooling through strategic vane orientation and shape. Beyond that, AP Racing rotors feature a superior vane count, typically ranging from 60 to 84 vanes, compared to 30–48 in most aftermarket rotors. After extensive CFD and thermal analysis, this high vane count was proven to: Increase airspeed and thermal transfer Reduce recirculation and deflection at the disc face Minimize coning, cracking, and brake fade Deliver more even pad contact and extended rotor life J Hook Slot Pattern: Exclusive to AP Racing Slots and drill holes may improve initial bite, but they also introduce “cool spots” in the rotor face—areas of uneven heating that can lead to stress risers, cracks, and pad vibration. OEM rotors often avoid this by leaving the disc face blank, but that compromises bite and brake feel. AP Racing’s patented J Hook design, developed through rigorous R&D, solves this problem. The hooks are meticulously spaced around the disc’s circumference and from hat to edge, forming a continuous distortion path that ensures even heat distribution. This encourages uniform pad deposits during bed-in, helps reduce judder and cracking, and improves consistency under repeated high-load braking. In addition, the J Hook slots provide more leading edges for pads to grip than traditional curved slots or blank rotors. While this might generate a mild whirring sound during braking, the benefits—more bite, cleaner bedding, better pedal feel—make it the top choice for committed racers and serious track day drivers. Metallurgy Backed by 50+ Years of Motorsport Leadership AP Racing's reputation is built on performance, and their proprietary iron alloy used in J Hook rotors is no exception. Drawing from over five decades of elite motorsport experience, including 750+ Formula 1 wins and widespread use across NASCAR, AP’s engineers have developed a disc alloy that excels under sustained racing temperatures and stress. Where OEM discs focus on affordability and mass production, AP Racing’s J Hook rotors are purpose-built for motorsport durability and heat resistance. Affordable Replacement Cost: Serious Value for Serious Drivers Even the best brake rotors are consumables. When you drive hard—especially at the track—your discs will eventually wear out. That’s why AP Racing designed their replacement iron rings to be cost-effective, allowing you to replace worn parts without breaking the bank. Compare that to constantly buying cheap $150 rotors every weekend—rotors that can't handle the heat and need to be swapped frequently. With AP Racing’s J Hook rotors, you get longer service intervals, less downtime, and better performance over time, making them an incredibly smart long-term investment. Proven on Track. Trusted by Champions. Top-tier racing teams rely on AP Racing J Hook rotors for one reason: they perform under pressure. Whether you're running time trials, attending HPDE events, or competing in wheel-to-wheel racing, these rotors offer professional-grade reliability, safety, and performance. Bedding and preparation of AP Racing J Hook Disc Properly preparing your new brake discs before heavy use is extremely important. The goal of bedding-in your brake pads and discs is to mate them together properly and prepare them for heavy use.  When prepared properly, or bed-in, your pads will transfer a thin layer of material to the disc face (transfer layer).  The pads in your caliper will then actually ride on that thin layer of pad material you’ve put down on the rotor, rather than rubbing directly on the iron rotor face.  A good transfer layer is going to give you superior brake pedal feel, less noise, superior pad wear, and lower the chances of cracking your discs. Important Notes- PLEASE READ! First, make sure you are on a closed course to perform a proper bed-in.  Do NOT perform the procedure on public roads.  You need a stretch of asphalt with long straights, good visibility, and no potential obstructions.  Make sure you are in a position to safely and repeatedly attain the necessary speeds to perform the bed-in procedure.  A controlled racetrack is the best place to perform this procedure.  AP Racing and Competition Motorsport in no way suggest or condone speeding on public roads or breaking the law in your car, nor do we take responsibility for any damage or injury that occurs as a result of using our product or these procedures.  You are performing the bed-in procedure at your own risk.  During these procedures, it’s critical that you never come to a complete stop with your foot on the brake pedal.  If you have brake ducts on your car, you may want to block them off to allow your brake system to heat up easily. The procedure outlined below is a generic procedure for most types of mild race pad.  Please check your pad manufacturer’s recommended bed-in procedure. Accelerate to approximately 60mph and then decelerate down to 5 mph.  If your car has ABS, you should try to hold the brakes at a point just before ABS intervention.  Once the car slows to 5mph, immediately accelerate back up to about 60mph, and brake again to roughly 5mph.  Repeat this series of stopping and accelerating 8 to 10 times.  Again, do not come to a complete stop with your foot on the brake pedal. Cool the brake system down by cruising at 45mph+ for 5 to 10 minutes. Visually inspect your discs.  They should be a blue/grey color (instead of shiny silver), and have an even layer of pad material across and around the entire rotor face. If the AP Racing rotors don’t have a layer of pad material on them, perform another series of stops in the manner outlined above.

AP Racing 350x28mm 2-piece J Hook Rear Floating Racing Brake Rotors Fit The Following Cars (w/ OEM Iron Rotors) Porsche 992 S/4S/GTS  AP Racing 2-piece Competition J Hook front disc pair for  with iron discs 350mm x 28mm (13.78" x 1.10") 72 Vane, D66 Huge increase in airflow, cooling capacity, and durability vs. OEM discs Saves 2 lbs. unsprung weight per side vs. OEM iron discs Designed for: club racing, time trial, auto-x, HPDE Works with OEM calipers, no modifications required Ultralight, fully floating, anodized billet aluminum hat with float control/anti-rattle clips Sold/priced per pair. AP Racing J Hook Brake Rotors – The Gold Standard in Track Day & Racing Performance Engineered for professional motorsport, HPDE, and dedicated track day use, AP Racing’s J Hook Brake Rotors deliver uncompromising performance, thermal stability, and consistent braking power. These two-piece, floating rotors are built to handle the extreme demands of road racing, with design features derived from over 50 years of elite competition—including Formula 1, NASCAR, and IMSA. Unlike conventional one-piece rotors, AP Racing’s two-piece floating design features a billet aluminum hat mated to a cast iron disc via precision-engineered bobbins. This setup allows for controlled radial expansion under high heat, minimizing distortion and coning. The result? More even pad wear, a firmer pedal feel, and longer component life, even during extended lapping sessions or endurance racing. Floating hardware includes anti-knockback spring clips that reduce piston retraction while eliminating common NVH issues like rattling. Why Choose AP Racing J Hook Rotors? Advanced Cooling, Superior Bite, Unmatched Durability At the heart of every rotor is AP Racing’s proprietary high-carbon iron alloy, developed to withstand repeated thermal cycling without cracking or warping. Internally, directional vanes—far superior to OEM pillar or straight vane designs—maximize airflow and cooling. With 60 to 84 vanes per rotor, AP Racing achieves faster heat evacuation, reduced brake fade, and a more consistent friction surface. These rotors are left/right-specific for optimal airflow and balance. The exclusive J Hook slot pattern offers enhanced initial bite and promotes uniform heat distribution across the rotor face, reducing pad deposits and vibration. Unlike drilled rotors or straight-slot competitors, the J Hook design provides cleaner pad transfer during bed-in and superior modulation under braking—ideal for serious drivers who demand feedback and control. Yes, you might hear a little more whirr, but you’ll gain the stopping power, consistency, and longevity your lap times demand. Premium Components, Affordable Performance The rotor hats are CNC-machined from 6061-T6 billet aluminum and hard anodized for strength and heat resistance. Scalloped edges under the hat further assist heat dissipation. All hardware is U.S.-made to AP Racing spec, the same quality found on pro-level racing platforms. And while these rotors are race-proven, they’re also surprisingly cost-effective to replace. Don’t settle for cheap rotors that crack after a weekend—AP’s J Hook rings offer better durability and real long-term value. Fewer replacements mean more track time, less downtime, and peace of mind knowing you're running the best. Used by Champions. Trusted by Experts. From endurance racers to HPDE enthusiasts, AP Racing brake rotors are trusted worldwide for their reliability, longevity, and performance under pressure. Whether you're shaving seconds off your lap time or building a dedicated track car, the J Hook delivers a professional-grade solution that won’t let you down.   AP Racing J Hook Brake Rotors for Auto Racing, Track Days & HPDE Why Rotor Design Matters: Heat Expansion and Floating Technology As with most metals, iron brake discs expand significantly under heat. When temperatures rise, the disc grows radially—expanding in both diameter and circumference. Traditional one-piece rotors struggle to accommodate this natural expansion. As the outer edge pulls away from the center under heat stress, it creates a condition called “coning”—a distortion that compromises pad-to-rotor contact. This distortion can lead to uneven pad wear, brake tapering, and an inconsistent, long brake pedal. AP Racing two-piece floating brake rotors are purpose-built to eliminate these issues. Engineered with “float” built into the disc or hat assembly, these rotors feature oblong-shaped mounting holes that allow the hardware to slide as the disc heats up. This flexibility ensures the disc runs true within the caliper under high-temperature loads, effectively reducing distortion, minimizing pad taper and stress cracks, and promoting longer component life. Custom Mounting Hardware & Anti-Knockback Spring Clips AP Racing rotors utilize application-specific, U.S.-made mounting hardware—not generic bolts. These premium components are the exact parts used in AP’s professional motorsport products, engineered to withstand the rigors of competitive racing. To manage lateral disc motion that can push caliper pistons backward (known as knockback), AP Racing integrates anti-knockback spring clips on alternating bobbins—five on a ten-bolt setup, six on a twelve-bolt disc. These clips keep the aluminum hat and iron disc ring properly aligned while still allowing for radial float. Bonus: they eliminate annoying rattles and vibrations, ensuring a quieter, more refined braking experience. High-Performance Hat Design for Heat Isolation The disc hats in AP Racing’s two-piece floating rotors are CNC-machined from 6061-T6 billet aluminum and finished with a hard anodized coating. This high-strength aluminum alloy was selected for its ability to maintain structural integrity even at elevated temperatures. AP adds scalloped channels beneath the hat to further encourage airflow and heat evacuation from the outer disc face, minimizing thermal transfer to hubs and wheel bearings—helping reduce maintenance costs on these expensive components. Internal Vane Engineering: Airflow Optimization & Thermal Stability AP Racing’s internal vane design sets them apart from OEM and most aftermarket competitors. While many factory brake discs use non-directional pillar vanes (low-cost and NVH-focused), AP Racing rotors use directional vanes engineered for maximum airflow. These rotors are side-specific—meaning you’ll receive a unique left and right disc in each set—ensuring optimized cooling through strategic vane orientation and shape. Beyond that, AP Racing rotors feature a superior vane count, typically ranging from 60 to 84 vanes, compared to 30–48 in most aftermarket rotors. After extensive CFD and thermal analysis, this high vane count was proven to: Increase airspeed and thermal transfer Reduce recirculation and deflection at the disc face Minimize coning, cracking, and brake fade Deliver more even pad contact and extended rotor life J Hook Slot Pattern: Exclusive to AP Racing Slots and drill holes may improve initial bite, but they also introduce “cool spots” in the rotor face—areas of uneven heating that can lead to stress risers, cracks, and pad vibration. OEM rotors often avoid this by leaving the disc face blank, but that compromises bite and brake feel. AP Racing’s patented J Hook design, developed through rigorous R&D, solves this problem. The hooks are meticulously spaced around the disc’s circumference and from hat to edge, forming a continuous distortion path that ensures even heat distribution. This encourages uniform pad deposits during bed-in, helps reduce judder and cracking, and improves consistency under repeated high-load braking. In addition, the J Hook slots provide more leading edges for pads to grip than traditional curved slots or blank rotors. While this might generate a mild whirring sound during braking, the benefits—more bite, cleaner bedding, better pedal feel—make it the top choice for committed racers and serious track day drivers. Metallurgy Backed by 50+ Years of Motorsport Leadership AP Racing's reputation is built on performance, and their proprietary iron alloy used in J Hook rotors is no exception. Drawing from over five decades of elite motorsport experience, including 750+ Formula 1 wins and widespread use across NASCAR, AP’s engineers have developed a disc alloy that excels under sustained racing temperatures and stress. Where OEM discs focus on affordability and mass production, AP Racing’s J Hook rotors are purpose-built for motorsport durability and heat resistance. Affordable Replacement Cost: Serious Value for Serious Drivers Even the best brake rotors are consumables. When you drive hard—especially at the track—your discs will eventually wear out. That’s why AP Racing designed their replacement iron rings to be cost-effective, allowing you to replace worn parts without breaking the bank. Compare that to constantly buying cheap $150 rotors every weekend—rotors that can't handle the heat and need to be swapped frequently. With AP Racing’s J Hook rotors, you get longer service intervals, less downtime, and better performance over time, making them an incredibly smart long-term investment. Proven on Track. Trusted by Champions. Top-tier racing teams rely on AP Racing J Hook rotors for one reason: they perform under pressure. Whether you're running time trials, attending HPDE events, or competing in wheel-to-wheel racing, these rotors offer professional-grade reliability, safety, and performance. Bedding and preparation of AP Racing J Hook Disc Properly preparing your new brake discs before heavy use is extremely important. The goal of bedding-in your brake pads and discs is to mate them together properly and prepare them for heavy use.  When prepared properly, or bed-in, your pads will transfer a thin layer of material to the disc face (transfer layer).  The pads in your caliper will then actually ride on that thin layer of pad material you’ve put down on the rotor, rather than rubbing directly on the iron rotor face.  A good transfer layer is going to give you superior brake pedal feel, less noise, superior pad wear, and lower the chances of cracking your discs. Important Notes- PLEASE READ! First, make sure you are on a closed course to perform a proper bed-in.  Do NOT perform the procedure on public roads.  You need a stretch of asphalt with long straights, good visibility, and no potential obstructions.  Make sure you are in a position to safely and repeatedly attain the necessary speeds to perform the bed-in procedure.  A controlled racetrack is the best place to perform this procedure.  AP Racing and Competition Motorsport in no way suggest or condone speeding on public roads or breaking the law in your car, nor do we take responsibility for any damage or injury that occurs as a result of using our product or these procedures.  You are performing the bed-in procedure at your own risk.  During these procedures, it’s critical that you never come to a complete stop with your foot on the brake pedal.  If you have brake ducts on your car, you may want to block them off to allow your brake system to heat up easily. The procedure outlined below is a generic procedure for most types of mild race pad.  Please check your pad manufacturer’s recommended bed-in procedure. Accelerate to approximately 60mph and then decelerate down to 5 mph.  If your car has ABS, you should try to hold the brakes at a point just before ABS intervention.  Once the car slows to 5mph, immediately accelerate back up to about 60mph, and brake again to roughly 5mph.  Repeat this series of stopping and accelerating 8 to 10 times.  Again, do not come to a complete stop with your foot on the brake pedal. Cool the brake system down by cruising at 45mph+ for 5 to 10 minutes. Visually inspect your discs.  They should be a blue/grey color (instead of shiny silver), and have an even layer of pad material across and around the entire rotor face. If the AP Racing rotors don’t have a layer of pad material on them, perform another series of stops in the manner outlined above.

AP Racing 350x28mm Replacement J Hook Front Floating Racing Brake Rotors Fit The Following Cars (w/ OEM Iron Rotors)- Center hat Excluded, rotor discs and hardware only. Replacement Disc Only For AP Racing 13.01.20043 Fit The Following Cars (w/ OEM Iron Rotors) Corvette C8 Z51 Rear AP Racing by Essex 2-piece Competition J Hook Rear disc pair for Corvette C8 Z51 with iron discs 350mm x 28mm (13.78" x 1.10") 72 Vane, D66 Huge increase in airflow, cooling capacity, and durability vs. OEM discs Saves 2 lbs. unsprung weight per side vs. OEM iron discs Designed for: club racing, time trial, auto-x, HPDE Works with OEM calipers, no modifications required Ultralight, fully floating, anodized billet aluminum hat with float control/anti-rattle clips Sold/priced per pair of rotor rings (including hardware). AP Racing J Hook Brake Rotors – The Gold Standard in Track Day & Racing Performance Engineered for professional motorsport, HPDE, and dedicated track day use, AP Racing’s J Hook Brake Rotors deliver uncompromising performance, thermal stability, and consistent braking power. These two-piece, floating rotors are built to handle the extreme demands of road racing, with design features derived from over 50 years of elite competition—including Formula 1, NASCAR, and IMSA. Unlike conventional one-piece rotors, AP Racing’s two-piece floating design features a billet aluminum hat mated to a cast iron disc via precision-engineered bobbins. This setup allows for controlled radial expansion under high heat, minimizing distortion and coning. The result? More even pad wear, a firmer pedal feel, and longer component life, even during extended lapping sessions or endurance racing. Floating hardware includes anti-knockback spring clips that reduce piston retraction while eliminating common NVH issues like rattling. Why Choose AP Racing J Hook Rotors? Advanced Cooling, Superior Bite, Unmatched Durability At the heart of every rotor is AP Racing’s proprietary high-carbon iron alloy, developed to withstand repeated thermal cycling without cracking or warping. Internally, directional vanes—far superior to OEM pillar or straight vane designs—maximize airflow and cooling. With 60 to 84 vanes per rotor, AP Racing achieves faster heat evacuation, reduced brake fade, and a more consistent friction surface. These rotors are left/right-specific for optimal airflow and balance. The exclusive J Hook slot pattern offers enhanced initial bite and promotes uniform heat distribution across the rotor face, reducing pad deposits and vibration. Unlike drilled rotors or straight-slot competitors, the J Hook design provides cleaner pad transfer during bed-in and superior modulation under braking—ideal for serious drivers who demand feedback and control. Yes, you might hear a little more whirr, but you’ll gain the stopping power, consistency, and longevity your lap times demand. Premium Components, Affordable Performance The rotor hats are CNC-machined from 6061-T6 billet aluminum and hard anodized for strength and heat resistance. Scalloped edges under the hat further assist heat dissipation. All hardware is U.S.-made to AP Racing spec, the same quality found on pro-level racing platforms. And while these rotors are race-proven, they’re also surprisingly cost-effective to replace. Don’t settle for cheap rotors that crack after a weekend—AP’s J Hook rings offer better durability and real long-term value. Fewer replacements mean more track time, less downtime, and peace of mind knowing you're running the best. Used by Champions. Trusted by Experts. From endurance racers to HPDE enthusiasts, AP Racing brake rotors are trusted worldwide for their reliability, longevity, and performance under pressure. Whether you're shaving seconds off your lap time or building a dedicated track car, the J Hook delivers a professional-grade solution that won’t let you down.   AP Racing J Hook Brake Rotors for Auto Racing, Track Days & HPDE Why Rotor Design Matters: Heat Expansion and Floating Technology As with most metals, iron brake discs expand significantly under heat. When temperatures rise, the disc grows radially—expanding in both diameter and circumference. Traditional one-piece rotors struggle to accommodate this natural expansion. As the outer edge pulls away from the center under heat stress, it creates a condition called “coning”—a distortion that compromises pad-to-rotor contact. This distortion can lead to uneven pad wear, brake tapering, and an inconsistent, long brake pedal. AP Racing two-piece floating brake rotors are purpose-built to eliminate these issues. Engineered with “float” built into the disc or hat assembly, these rotors feature oblong-shaped mounting holes that allow the hardware to slide as the disc heats up. This flexibility ensures the disc runs true within the caliper under high-temperature loads, effectively reducing distortion, minimizing pad taper and stress cracks, and promoting longer component life. Custom Mounting Hardware & Anti-Knockback Spring Clips AP Racing rotors utilize application-specific, U.S.-made mounting hardware—not generic bolts. These premium components are the exact parts used in AP’s professional motorsport products, engineered to withstand the rigors of competitive racing. To manage lateral disc motion that can push caliper pistons backward (known as knockback), AP Racing integrates anti-knockback spring clips on alternating bobbins—five on a ten-bolt setup, six on a twelve-bolt disc. These clips keep the aluminum hat and iron disc ring properly aligned while still allowing for radial float. Bonus: they eliminate annoying rattles and vibrations, ensuring a quieter, more refined braking experience. High-Performance Hat Design for Heat Isolation The disc hats in AP Racing’s two-piece floating rotors are CNC-machined from 6061-T6 billet aluminum and finished with a hard anodized coating. This high-strength aluminum alloy was selected for its ability to maintain structural integrity even at elevated temperatures. AP adds scalloped channels beneath the hat to further encourage airflow and heat evacuation from the outer disc face, minimizing thermal transfer to hubs and wheel bearings—helping reduce maintenance costs on these expensive components. Internal Vane Engineering: Airflow Optimization & Thermal Stability AP Racing’s internal vane design sets them apart from OEM and most aftermarket competitors. While many factory brake discs use non-directional pillar vanes (low-cost and NVH-focused), AP Racing rotors use directional vanes engineered for maximum airflow. These rotors are side-specific—meaning you’ll receive a unique left and right disc in each set—ensuring optimized cooling through strategic vane orientation and shape. Beyond that, AP Racing rotors feature a superior vane count, typically ranging from 60 to 84 vanes, compared to 30–48 in most aftermarket rotors. After extensive CFD and thermal analysis, this high vane count was proven to: Increase airspeed and thermal transfer Reduce recirculation and deflection at the disc face Minimize coning, cracking, and brake fade Deliver more even pad contact and extended rotor life J Hook Slot Pattern: Exclusive to AP Racing Slots and drill holes may improve initial bite, but they also introduce “cool spots” in the rotor face—areas of uneven heating that can lead to stress risers, cracks, and pad vibration. OEM rotors often avoid this by leaving the disc face blank, but that compromises bite and brake feel. AP Racing’s patented J Hook design, developed through rigorous R&D, solves this problem. The hooks are meticulously spaced around the disc’s circumference and from hat to edge, forming a continuous distortion path that ensures even heat distribution. This encourages uniform pad deposits during bed-in, helps reduce judder and cracking, and improves consistency under repeated high-load braking. In addition, the J Hook slots provide more leading edges for pads to grip than traditional curved slots or blank rotors. While this might generate a mild whirring sound during braking, the benefits—more bite, cleaner bedding, better pedal feel—make it the top choice for committed racers and serious track day drivers. Metallurgy Backed by 50+ Years of Motorsport Leadership AP Racing's reputation is built on performance, and their proprietary iron alloy used in J Hook rotors is no exception. Drawing from over five decades of elite motorsport experience, including 750+ Formula 1 wins and widespread use across NASCAR, AP’s engineers have developed a disc alloy that excels under sustained racing temperatures and stress. Where OEM discs focus on affordability and mass production, AP Racing’s J Hook rotors are purpose-built for motorsport durability and heat resistance. Affordable Replacement Cost: Serious Value for Serious Drivers Even the best brake rotors are consumables. When you drive hard—especially at the track—your discs will eventually wear out. That’s why AP Racing designed their replacement iron rings to be cost-effective, allowing you to replace worn parts without breaking the bank. Compare that to constantly buying cheap $150 rotors every weekend—rotors that can't handle the heat and need to be swapped frequently. With AP Racing’s J Hook rotors, you get longer service intervals, less downtime, and better performance over time, making them an incredibly smart long-term investment. Proven on Track. Trusted by Champions. Top-tier racing teams rely on AP Racing J Hook rotors for one reason: they perform under pressure. Whether you're running time trials, attending HPDE events, or competing in wheel-to-wheel racing, these rotors offer professional-grade reliability, safety, and performance. Bedding and preparation of AP Racing J Hook Disc Properly preparing your new brake discs before heavy use is extremely important. The goal of bedding-in your brake pads and discs is to mate them together properly and prepare them for heavy use.  When prepared properly, or bed-in, your pads will transfer a thin layer of material to the disc face (transfer layer).  The pads in your caliper will then actually ride on that thin layer of pad material you’ve put down on the rotor, rather than rubbing directly on the iron rotor face.  A good transfer layer is going to give you superior brake pedal feel, less noise, superior pad wear, and lower the chances of cracking your discs. Important Notes- PLEASE READ! First, make sure you are on a closed course to perform a proper bed-in.  Do NOT perform the procedure on public roads.  You need a stretch of asphalt with long straights, good visibility, and no potential obstructions.  Make sure you are in a position to safely and repeatedly attain the necessary speeds to perform the bed-in procedure.  A controlled racetrack is the best place to perform this procedure.  AP Racing and Competition Motorsport in no way suggest or condone speeding on public roads or breaking the law in your car, nor do we take responsibility for any damage or injury that occurs as a result of using our product or these procedures.  You are performing the bed-in procedure at your own risk.  During these procedures, it’s critical that you never come to a complete stop with your foot on the brake pedal.  If you have brake ducts on your car, you may want to block them off to allow your brake system to heat up easily. The procedure outlined below is a generic procedure for most types of mild race pad.  Please check your pad manufacturer’s recommended bed-in procedure. Accelerate to approximately 60mph and then decelerate down to 5 mph.  If your car has ABS, you should try to hold the brakes at a point just before ABS intervention.  Once the car slows to 5mph, immediately accelerate back up to about 60mph, and brake again to roughly 5mph.  Repeat this series of stopping and accelerating 8 to 10 times.  Again, do not come to a complete stop with your foot on the brake pedal. Cool the brake system down by cruising at 45mph+ for 5 to 10 minutes. Visually inspect your discs.  They should be a blue/grey color (instead of shiny silver), and have an even layer of pad material across and around the entire rotor face. If the AP Racing rotors don’t have a layer of pad material on them, perform another series of stops in the manner outlined above.