Vehicle Gear

Sparco EVO QRT Racing Seats As Sparco's most well known competition seat, it was a no-brainer to provide the refreshed Evo with Sparco's QRT Ultra-Light Technology. Not content to leave well enough alone, Sparco went a step further by improving the overall fit and feel of the  Sparco Evo QRT. Starting with the shoulder bolsters, Sparco trimmed down the width to help fitment into smaller cars without sacrificing support. Sparco then lowered the side bolsters just enough to improve ingress/egress into/out of the car. Finally, the shoulder belt guides have been raised for improved harness fit in all drivers. With small sports cars in mind (the Sparco Evo QRT fits perfectly in a Miata!), the Sparco Evo QRT is sure be a mainstay at the track! The Sparco EVO QRT series of seats feature the most back angle rake of all Sparco seats for a very comfortable driving position. Available in cloth or vinyl. The Sparco EVO QRT is FIA approved. The  Sparco EVO QRT Racing Seat SIZING The Sparco EVO series is among the most versatile competition seats we carry, available in the following four sizes to ensure proper fitment: EVO S – Small (up to 32” waist) EVO – Medium (up to 34” waist) EVO L – Large (up to 36” waist) EVO XL – Extra Large (38” waist) WHAT IS SPARCO QRT? Designed and developed at the Sparco OEM Composite Laboratory in Italy, QRT is a patented state-of-the-art technical process, based on aerospace technologies. QRT creates an unparalleled mechanical strength to weight ratio. This innovative production method generates the lightest fiberglass composite seat shells currently on the market; in fact, it guarantees a reduction in total weight of up to 30% compared to traditional production methods. The QRT seats approach the weight of a comparable carbon fiber seat at a lower price point. The  Sparco EVO QRT Racing Seat TECHNOLOGY QRT Ultralight fiberglass composite shell Excellent fitment into small cockpits 4 Sizes: Small through XL Excellent ergonomics Fire retardant fabric Special non-slip fabric FIA approved The  Sparco EVO QRT Racing Seat DIMENSIONS EVO S Dimensions:     EVO Std Dimensions: EVO L / XL Dimensions:

D1-147 Girodisc Front Replacement Rotor Rings REPLACEMENT ROTOR DISCS ONLY. INCLUDES NEW MOUNTING HARDWARE. DOES NOT INCLUDE ALUMINUM HAT Competition Motorsport is an Authorized dealer for Girodisc products and we are one of the largest stocking dealers in the country.  We ship most products same or next business day to ensure we meet your delivery deadline. The Girodisc replacement rotor system is a direct rotor disc replacement for the Girodisc two-piece hat and rotor and no modifications are necessary.   The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by Girodisc in the USA to our own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

D1-216 Girodisc Front Replacement Rotor Rings Fits Audi B9 RS5 REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Competition Motorsport is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country.  We ship most products same or next business day to ensure we meet your delivery deadline. The GiroDisc replacement rotor system is a direct rotor disc replacement for the GiroDisc 2-piece hat and rotor and no modifications are necessary.   The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by GiroDisc in the USA to our own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat.  The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

D1-179 Girodisc Front Replacement Rotor Rings REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Competition Motorsport is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country.  We ship most products same or next business day to ensure we meet your delivery deadline. The GiroDisc replacement rotor system is a direct rotor disc replacement for the Giro Disc 2-piece hat and rotor and no modifications are necessary.   The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by GiroDisc in the USA to our own specifications and are cadmium plated for corrosion resistance.  The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat.  The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

Sparco Circuit / Circuit II QRT Racing Seat  2029 Expiry   The Sparco Circuit QRT is an ultra-light competition seat specifically designed for circuit use. Made from aramadic fiber-reinforced fiberglass with all-new QRT technology, the Sparco Circuit QRT has an ultra-light shell. The Sparco Circuit QRT includes integrated bolsters to protect the head. This seat can be used with a Hans device for even greater protection. The ultra-light shell is then wrapped in an impact-absorbing and fire retardant fabric that helps hold the body.  The integrated head protection is designed to work comfortably and safely with a Hans Device. The slim back offers high lateral support, while an all-new, thin-profile bottom cushion keeps the driver low in the seat without sacrificing comfort. As with all Sparco racing seats, the anti-wear fabric has been added to the seat edges to improve durability and wear. The Sparco Circuit QRT is FIA approved and available in two sizes: Circuit QRT (Standard) and Circuit II QRT (Large). SPARCO QRT TECHNOLOGY QRT technology gives an unparalleled mechanical strength/weight ratio for fiberglass composite racing seats. QRT technology gives an average weight savings of 30% when compared to standard fiberglass technology. The main benefit is that QRT seats approach weight of carbon fiber seat at the price of a fiberglass composite seat. Sparco Circuit QRT Race Seat Technology QRT technology – 30% weight savings Ultra-light Aramadic fiber-reinforced fiberglass shell Integrated head bolsters for greater safety HANS device compatible Fire retardant fabric FIA approved The integrated head protection is designed to work comfortably and safely with a Hans Device. The slim back offers high lateral support, while an all-new, thin-profile bottom cushion keeps the driver low in the seat without sacrificing comfort. As with all Sparco racing seats, the anti-wear fabric has been added to the seat edges to improve durability and wear. Sparco Circuit QRT Fiberglass Racing Seat Details Manufacturer: SparcoManufacturer part number: 008019RNRRating: FIA 8855-1999Mounting: SideWeight: Shell Only: 19.73lbsHans CompatibleUltra-light Aramaic fiber-reinforced fiberglass shellIntegrated head protectionNo-slip fabric for shoulders and bottom cushionSmooth and slim backrest for high lateral supportPre-shaped thigh cushion helps separate the driver's legsSelf-extinguishing fabric   Sparco Circuit QRT Race Seat Dimensions

Sparco PRO 2000 QRT Sim Racing Seat Feel the Track Without Leaving Your Setup This seat is neither FIA nor SFI approved and is not intended for racing or competition use. Ready to take your sim racing game to the next level? The Sparco PRO 2000 QRT Sim Racing Seat isn’t just a seat—it’s a full-on racing experience. Whether you're chasing the podium or working on those perfect apexes, this seat delivers pro-level comfort and precision for serious sim racers. With QRT technology and superior lateral support, the only thing missing is the smell of burning rubber. Sparco PRO 2000 QRT Features & Benefits Because Winning Takes More Than Just Skill QRT Ultralight Shell: This isn’t your average gaming chair. The QRT fiberglass composite shell is super lightweight and incredibly strong, offering the same kind of tech you'd find in real racing seats. At 30% lighter than traditional fiberglass, you’ll be gliding through virtual tracks with ease—and bragging rights. Non-Slip Fabric: In a heated sim race, the last thing you need is to feel like you're slipping and sliding around in your seat. The non-slip fabric in the shoulders and bottom cushion keeps you stable and focused—ready for that perfect line every lap. Adjustable Lumbar Support: Even champions need comfort. With removable and adjustable lumbar cushions, your back will stay in prime condition for those long endurance races. Ready for a 24-hour Le Mans sim? So is this seat. Versatile Mounting Options: Whether you’re using a full sim rig or a simpler setup, the bottom and side-mounting capabilities offer full flexibility. Bottom mounting (with the optional #50003 Spacer kit) or side mounting—customize your rig exactly how you like it. What Is QRT Technology? Sparco’s Quick Resin Technology (QRT) is a game-changer for sim racers. Born from aerospace tech, this process creates ultralight, strong fiberglass shells—bringing your sim racing seat closer to carbon fiber performance but without the steep price tag. It’s like having F1-level engineering in your home setup. More immersion, less weight, more wins. Sparco Pro 2000 QRT Specifications Shell Material: QRT Ultralight Fiberglass Composite Mounting Options: Side or bottom (bottom mounting requires #50003 Spacer kit) Fitment: Medium size, up to 34” waist Fabric: Fire-retardant, with non-slip fabric on shoulder and bottom cushions Lumbar Support: Removable and adjustable lumbar cushions Weight Reduction: 30% lighter than traditional fiberglass racing seats Compatibility: Ideal for sim racing setups Sparco PRO 2000 QRT Seat FAQs (Because We Know You Have Questions) Is this seat compatible with all sim racing rigs?Yes! Whether you're using a full rig or a simpler DIY setup, the Sparco PRO 2000 QRT can be mounted on most sim racing rigs with its side and bottom-mounting options. Can this seat support long endurance racing sessions?Absolutely. With its adjustable lumbar support and ergonomic design, this seat is built for both quick sprints and long marathon races, keeping you comfortable and supported through every lap. What waist size does this seat fit?The PRO 2000 QRT is perfect for medium-sized racers, comfortably fitting those with a waist up to 34 inches. It’s like sitting in the cockpit of a race car, even if you’re still in your living room. Ready to feel the rush of the track from the comfort of your home? The Sparco PRO 2000 QRT Sim Racing Seat offers the kind of immersive experience you’ve been dreaming of—combining lightweight design, ergonomic support, and professional-level performance. Don’t wait—hit “Add to Cart” and start racing in style today!

Sparco GP Sim Racing Seat Bring Formula 1 Thrills to Your Living Room This seat is not FIA or SFI approved and is not intended for racing/competition use Ever dream of tearing down the track in a Formula 1 car, feeling the g-forces tug at your body, and hearing the engine roar as you hit top speed? Well, while we can't all hop into a real F1 car (yet…), the Sparco GP Seat is the next best thing for turning your living room into the ultimate racetrack. Designed for the most demanding gamers and racing enthusiasts, this isn't just a seat—it’s a gateway to the thrill of racing. Why You'll Love the Sparco GP Seat From Sparco’s legendary experience in motorsport racing equipment, they've packed the highest levels of safety and comfort into a seat designed for those who crave the adrenaline of single-seater racing... but from the comfort of their own home. Whether you're a seasoned track-day warrior or just trying to shave seconds off your sim lap times, the Sparco GP Seat is for you. Authentic Driving Position-Ever wanted to feel like you're in the cockpit of a real F1 car? The Sparco GP Seat's fiberglass shell replicates the "lying down" driving position you’d find in Formula 1. You’ll almost expect Lewis Hamilton to pull up next to you. Comfort That Goes the Distance-Sim racing marathons are no joke. Luckily, the Sparco GP Seat comes with strategically placed paddings that improve lumbar, shoulder, and head comfort. You can go lap after lap without feeling like you've been run over by a truck. Sporty or Sleek—Available in black and red technical fabric for that racy, high-performance vibe, or in smooth sky leather for a more refined, luxurious look. Either way, it’s a seat you won’t mind spending hours in (even if you keep finishing in P2). Visualize This Picture this—you're racing through Eau Rouge at Spa, your heart pounding as you take the corner. The Sparco GP Seat's F1-inspired design makes you feel like you're there. Every twist of the wheel, every brake dive—it's like you’re flying around the track. The world fades away, and it's just you, the car, and the road ahead. And best of all? You're doing it all from your living room, snack break included. Sparco GP Seat Features & Specs Fiberglass shell for that authentic F1 feel Soft technical fabric or smooth sky leather upholstery options Padding for lumbar, shoulder, and head support Compatible with most popular sim rigs Not FIA homologated (but who cares? It’s in your living room!) Sparco GP Seat FAQs Is this seat adjustable?Absolutely! The Sparco GP Seat adjusts to accommodate various driving styles and comfort preferences. Whether you’re the type to sit up for a rally race or recline like an F1 pro, it’s got you covered. What sim rigs is it compatible with?The Sparco GP Seat is compatible with most major sim racing setups. So whether you're using Logitech, Thrustmaster, or Fanatec gear, you'll be ready to race in no time. Is this seat suitable for long gaming sessions?100%. This seat was made for endurance. With padding in all the right places and a design focused on comfort, you can go on all-night racing binges without feeling like you're sitting on concrete. Get Behind the Wheel — Literally! Stop dreaming about driving like a pro and make it a reality with the Sparco GP Seat. Whether you're chasing world records in a sim race or just looking to level up your gaming setup, this is the seat that will take you there. Get yours today and turn your home into the ultimate race experience. Because, let’s face it, who doesn’t want to feel like an F1 driver without leaving their house?

Fitment: Chevrolet Corvette C8 Z51 REPLACEMENT ROTOR DISCS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HAT. Competition Motorsport is an authorized dealer for Girodisc products and we are one of the largest stocking dealers in the country.  We ship most products same or next business day to ensure we meet your delivery deadline. The Girodisc replacement rotor system is a direct rotor disc replacement for the Girodisc two-piece hat and rotor and no modifications are necessary.   The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

D1-242 Girodisc Front Replacement Rotor Rings (Corvette C8) Fitment: Chevrolet Corvette C8 Z51 REPLACEMENT ROTOR DISCS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HAT. Competition Motorsport is an authorized dealer for Girodisc products and we are one of the largest stocking dealers in the country.  We ship most products same or next business day to ensure we meet your delivery deadline. The Girodisc replacement rotor system is a direct rotor disc replacement for the Girodisc two-piece hat and rotor and no modifications are necessary.   The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

Ferodo FRP3110G DS3.12 Porsche Front Brake Pads Designed for use with iron brake rotors only. Ferodo 11 FRP3110GB-N DS3.12 Front Brake Pad Fitment: Porsche 992 GT3 Cup Car (Front) Compound: DS3.12 The DS3.12 is the latest evolution in Ferodo's incredible DS line. Sports cars today have more of everything: more horsepower, more sophisticated aero, higher curb weights, and stickier tires. These attributes place serious demands on a vehicle's brake system. The Ferodo DS3.12 is the modern pad compound designed from the start to explicitly handle those demands. Ferodo FRP3110G DS3.12 Relative Performance Chart  Out of all the pad compounds we've ever tested, from all manufacturers, the Ferodo DS3.12 shows the flattest torque curve across the broadest temperature range. That means on every turn, on every track you drive, on every lap, your brake pedal is going to feel almost exactly the same, providing tremendous consistency and repeatability. The DS3.12 has a higher mu (µ) than Ferodo's other compounds, so not as much pedal pressure is required to initiate the desired response. It is also un-fadable, showing no drop in performance at any temperature your brakes will ever see. Ferodo FRP3110G DS3.12 Friction Coefficient (Mu) Chart In dyno testing, the Ferodo DS3.12 has shown superior wear rates to the other Ferodo compounds, while remaining kind to brake rotors. We believe the Ferodo DS3.12 will become the gold standard by which other race compounds will be judged. Ferodo FRP3110G DS3.12 Operating Temperature Chart

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.

REPLACEMENT ROTOR DISCS ONLY. INCLUDES NEW MOUNTING HARDWARE. DOES NOT INCLUDE ALUMINUM HAT.  Competition Motorsport is an Authorized dealer for Girodisc products and we are one of the largest stocking dealers in the country.  We ship most products same or next business day to ensure we meet your delivery deadline. The Girodisc replacement rotor system is a direct rotor disc replacement for the Girodisc two-piece hat and rotor and no modifications are necessary.   The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by Girodisc in the USA to our own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.