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Girodisc Ford S550 Mustang Rear Rotors The Girodisc A2-067 Rear Rotors are a direct replacement for the factory rotors on the Ford S550 Mustang, engineered for performance enthusiasts who demand precision braking, reduced weight, and long-term serviceability. These 2-piece floating assemblies maintain the OEM fit and brake bias while providing measurable improvements in cooling and responsiveness. Lightweight Performance & Heat Management Each rotor features a 6061-T6 aluminum hat mated to a high-carbon cast iron rotor ring. This construction reduces unsprung and rotational mass, improving suspension response and acceleration. The 48 curved directional vanes act as a centrifugal pump, pulling cool air through the hub to dissipate heat and prevent fade during extended track sessions or spirited driving. Race-Ready Floating Design The Girodisc floating mount system connects the rotor ring to the aluminum hat via cadmium-plated steel drive pins secured with Belleville washers and spring clips. This setup allows the ring to expand under high heat without distortion, maintaining consistent pedal feel and preventing vibration or noise. The result is a rotor that performs flawlessly on both the street and track. Vehicle Fitment Ford Mustang S550 (2015+ models with performance package) Direct rear rotor replacement; compatible with OEM calipers and hardware Technical Specifications Part Number: A2-067 Position: Rear Material: High-carbon cast iron rotor ring with 6061-T6 aluminum hat Vane Design: 48 curved directional vanes Minimum Thickness: 23 mm Rebuildable: Yes — replace rotor rings, reuse hats and hardware Sold/Price: Per pair FAQs Are these rotors a direct fit? Yes, the Girodisc A2-067 bolts directly to the S550 Mustang hub and uses the factory calipers and pads. What benefits do 2-piece rotors provide? They reduce rotational weight, improve cooling, and allow ring replacement for long-term cost savings. Can I use these on the street? Absolutely. Girodisc rotors are quiet and durable for street use, yet fully capable of handling aggressive track driving. When should I replace the rings? Replace them when they reach the 23 mm minimum thickness or if a crack extends to the rotor edge. Enhance your Ford S550 Mustang’s braking performance with Girodisc’s lightweight, rebuildable rear rotors — engineered for precision, durability, and confidence on every lap.

Girodisc Ford SN95 Mustang Front Rotors The Girodisc system is a direct replacement for the OE front rotors on all 1994–2004 Ford Mustang Cobra, Bullitt, and Mach 1 models. These rotors will also fit vehicles equipped with OEM Cobra R or SVT Focus Brembo calipers with only minor modification to the pad backing plate for clearance. This lightweight, high-performance rotor upgrade enhances stopping power, cooling efficiency, and handling balance without affecting the factory brake bias or ABS calibration. High-Performance Construction The central hat section is precision-machined from U.S.-sourced 6061-T6 aircraft-grade aluminum for maximum strength and reduced weight. The rotor rings are Girodisc’s proprietary high-carbon cast iron, poured and machined entirely in-house in the USA. The curved vane design, inspired by motorsport applications, functions as a centrifugal pump, drawing air through the rotor for superior heat dissipation and consistent braking performance. Girodisc A1-011 Features Direct bolt-on replacement for OEM rotors – no modifications required Lightweight 2-piece floating rotor design reduces unsprung weight 6061-T6 aluminum hat paired with proprietary high-carbon iron rings Curved vane internal design improves cooling efficiency Floating mount system prevents warping and maintains pedal consistency Cadmium-plated drive pins for enhanced corrosion resistance Anti-noise spring washers eliminate rattles while allowing rotor float Fully rebuildable – replace iron rings while retaining hats and hardware Vehicle Fitment Ford Mustang Cobra (1994–2004) Ford Mustang Bullitt (2001) Ford Mustang Mach 1 (2003–2004) Vehicles with OEM Cobra R / SVT Focus Brembo Calipers Note: Slight grinding of the pad backing plate may be required for proper clearance when using OEM Brembo calipers. Girodisc A1-011 Technical Specifications Part Number: A1-011 Position: Front Rotor Type: Two-piece floating Hat Material: 6061-T6 aluminum (anodized) Disc Material: Girodisc proprietary high-carbon cast iron Vane Design: Curved, directional Drive Pins: 10 high-strength alloy steel, cadmium-plated Hardware: Class 12.9 cap screws with hardened washers Sold/Price: Per pair FAQs Will these fit my Mustang without modifications? Yes, they fit directly on all Cobra, Bullitt, and Mach 1 models. Cars with OEM Brembos may need slight pad backing plate grinding. Do these rotors reduce weight? Yes. Girodisc rotors are significantly lighter than factory units, improving both acceleration and suspension performance. Are they noisy during normal use? No. Anti-noise spring washers prevent rattles and maintain quiet street operation. Can I replace just the iron rings? Yes. The system is fully rebuildable, allowing easy replacement of worn rings while reusing the aluminum hats and hardware. Upgrade your SN95 Mustang with Girodisc’s lightweight floating rotors—precision-engineered for better cooling, reduced mass, and superior braking performance on both street and track.

Sparco Superleggera K Kart Racing Suit FIA 8877-2022 Grade 1 Certified, Ultralight Elite Performance The Sparco Superleggera K Kart Racing Suit represents the pinnacle of Sparco’s karting innovation, delivering uncompromising safety, ultra-lightweight performance, and professional-grade comfort. Certified to the latest FIA 8877-2022 Grade 1 kart suit standard, the Superleggera K is purpose-built for serious kart racers competing at the highest levels. With its cutting-edge materials and driver-focused design, this suit sets the benchmark for the next generation of Sparco kart racing suits. Engineered with multi-layer ultra-lightweight construction and strategically placed stretch panels, the Superleggera K offers optimal ventilation, flexibility, and fit. Its precision tailoring, ergonomic cut, and breathable inner lining keep you cool and focused under pressure, making it one of the best karting suits for both sprint and endurance karting. Whether you're chasing a championship or looking for that competitive edge, this Sparco suit for karting provides the responsiveness and performance that elite drivers expect from a top-tier FIA kart suit. Now available at Competition Motorsport, your trusted destination for premium race wear, expert support, and fast shipping. Experience why Sparco is the name trusted by champions worldwide—and why the Superleggera K is the ultimate lightweight kart suit for racers who demand the best. The Sparco Superleggera-K Kart Suit is the lightest kart suit Sparco has ever produced while adhering to the latest FIA 8877-2022 Grade 1 approval, ensuring the highest levels of safety. Its innovative AIR-IN system features silicone intakes at the shoulder, promoting cool airflow through the suit to keep you cooler and reduce perspiration during demanding race sessions. Sparco Superleggera K Suit Features and Benefits AIR-IN System: Silicone intakes at the shoulders channel cool airflow throughout the suit, enhancing comfort during intense competition. Ultra-Lightweight Fabric: Breathable, durable fabric weighing only 300 g/m², providing maximum freedom of movement and reducing fatigue. FIA 8877-2022 Grade 1 Approval: Certified to the latest international kart racing safety standard for maximum protection. Innovative Collar Fastening System: Improved ergonomic fastening for enhanced comfort and reduced distractions on track. Large Stretch Panel: Located on the lower back, offering optimized seating comfort and flexibility during races. Superior Breathability: Construction promotes airflow to manage perspiration and keep drivers cool under pressure. Infinity Option Availability: Custom design options available to match personal style preferences. During kart races, staying cool and dry is crucial for maintaining focus and achieving peak performance. The Sparco Superleggera-K suit effectively channels airflow through its innovative AIR-IN system, ensuring that you remain comfortable even in the heat of competition. Its ultra-lightweight fabric and breathable design work together to reduce perspiration and fatigue, allowing you to concentrate fully on driving without distraction. Investing in the Sparco Superleggera-K means choosing the lightest, most advanced karting suit available—offering enhanced airflow, safety, and freedom of movement to help you race at your best every time. Sparco Superleggera K Kart Racing Suit Technology Ultra-lightweight suit material Specially designed silicone air intakes to cool the driver Cordura back panels for abrasion resistance Hidden zipper and pockets for secure storage Perforated stretch panel on lower back for flexibility Certified to FIA 8877-2022 Grade 1 homologation standards Sparco Superleggera K Kart Racing Suit Size Chart Frequently Asked Questions (FAQ) – Sparco Superleggera K Kart Racing Suit What is the difference between a kart suit and an auto racing suit?A kart racing suit like the Sparco Superleggera K is specifically designed for karting, prioritizing abrasion resistance rather than fire protection. Since karting involves minimal fire risk, FIA kart suits like this one are not fire-retardant. In contrast, auto racing suits are built with flame-resistant materials and are certified to FIA or SFI standards for fire protection in car racing environments. Where are Sparco suits made?Sparco kart racing suits, including the Superleggera K, are designed and manufactured in Italy. Sparco is world-renowned for its commitment to Italian craftsmanship, performance innovation, and consistent quality control—making it a top choice for racers globally. What is the Sparco Superleggera K kart racing suit?The Sparco Superleggera K is an ultra-premium, ultra-lightweight FIA 8877-2022 kart suit designed for professional and competitive kart racers. It features an advanced multi-layer construction, optimized fit, and ventilation system to keep drivers cool, agile, and protected during demanding race sessions. It’s the lightest karting suit Sparco has ever made. What is the Sparco Superleggera K made of?This lightweight kart suit uses state-of-the-art materials, including abrasion-resistant outer layers and breathable mesh inserts. Its multi-layer construction is engineered to reduce fatigue, improve flexibility, and deliver maximum driver comfort without compromising FIA safety standards. Is the Sparco Superleggera K FIA certified?Yes. The Superleggera K is homologated to the current FIA 8877-2022 kart suit standard, which is required for most FIA-sanctioned karting competitions. It meets the highest safety benchmarks for kart racing suits worldwide. Is this a lightweight kart suit?Absolutely. The Sparco Superleggera K is the lightest karting suit in Sparco’s lineup, specifically engineered for high-performance racing where weight savings and mobility can make a critical difference. Who is the Sparco Superleggera K ideal for?This suit is ideal for serious kart racers—whether you're competing in junior, senior, or elite-level classes. It’s designed for drivers who demand the ultimate in weight reduction, ventilation, and ergonomic design while staying compliant with the latest FIA kart suit regulations. Why choose Sparco for karting gear?Sparco kart racing suits are known for their combination of performance, comfort, and Italian craftsmanship. With decades of motorsports heritage and cutting-edge innovation, Sparco continues to be the brand of choice for world-class racers.

Girodisc D2-168 Replacement Rear Rotor Ring Kit REPLACEMENT ROTOR RINGS & NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Competition Motorsport is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. The replacement rotor rings 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 ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

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.

D1-050 Girodisc Audi R8, Lamborghini 394mm Front Replacement Rings Restore maximum braking performance on your Audi R8 or Lamborghini Huracán with Girodisc D1-050 394mm front replacement rings. These precision-machined rotors are direct replacements for Girodisc two-piece systems and bolt to your existing aluminum hats using the supplied floating hardware kit. Each ring is manufactured from Girodisc’s proprietary high-carbon cast iron for consistent friction, superior heat control, and fade-free braking under aggressive use. Vehicle Fitment Compatible with:• Audi R8 (Gen 1 & Gen 2, all trims with 394mm iron rotor setup)• Lamborghini Huracán LP580 / LP610 / EVO (non-CCB)Note: Designed exclusively for Girodisc 394mm two-piece front rotor systems. Not compatible with OEM carbon-ceramic or one-piece rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 394mm two-piece front rotors• CNC-machined from high-carbon cast iron for strength and thermal stability• Directional curved vanes enhance cooling efficiency and airflow• Maintains OEM brake bias, ABS, and traction control calibration• Precision-balanced for vibration-free performance• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 394 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rotor rings and complete hardware kit• Sold/priced per pair Girodisc D1-050 Audi R8 / Lamborghini Front Replacement Ring FAQs Can these be used with OEM Audi or Lamborghini rotor hats? No. These rings are designed only for Girodisc aluminum hats and will not mount to OEM one-piece or carbon-ceramic rotor systems. Which pad compounds work best with these rotors? For street and light-track use, Ferodo DS2500 or Hawk HPS 5.0 perform exceptionally. For track use, Pagid RS29 or Carbotech XP12 are recommended for balanced heat control and bite. Do these rotors improve braking over OEM? Yes. The two-piece floating design reduces unsprung weight and increases heat dissipation, giving you more consistent pedal feel and fade resistance. What torque spec should be used on the hardware? Torque each bolt to 12 ft-lbs (16 Nm) with blue Loctite, then recheck after the first full heat cycle to confirm secure float and proper alignment. Bring supercar-level braking consistency back to your Audi R8 or Lamborghini Huracán with Girodisc D1-050 394 mm front replacement rings — engineered for precision, durability, and repeatable performance at any speed.

D2-159 Girodisc McLaren 380mm Rear Replacement Rings Refresh the braking performance of your McLaren with Girodisc D2-159 380mm rear replacement rings. These are direct-fit replacements for Girodisc two-piece rear rotors, designed to bolt to your existing aluminum hats using the included floating hardware kit. Replace only the wear surface and maintain your lightweight, high-performance Girodisc setup. Vehicle Fitment Compatible with:• McLaren MP4-12C (rear)• McLaren 570S / 570GT (rear)• McLaren 650S (rear)• McLaren 675LT (rear)• McLaren 720S (rear)Note: For vehicles equipped with Girodisc 380mm two-piece rear rotor systems. Not compatible with OEM or carbon-ceramic rotors. Features • Sold as a left/right pair and includes full hardware kit• Direct replacements for Girodisc 380mm two-piece rear rotors• CNC-machined from high-carbon cast iron for superior heat control• Curved directional vanes increase cooling efficiency• Maintains OEM brake balance and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 380mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and new hardware kit• Sold/priced per pair Girodisc D2-159 Replacement Ring FAQs Will these fit OEM McLaren rotors? No. These are made specifically for Girodisc two-piece rotor hats and will not fit factory or carbon-ceramic assemblies. Are both sides included? Yes. Each D2-159 kit includes both left and right replacement rings plus a complete hardware kit. Why replace just the rings instead of the full rotor? It saves cost, retains your Girodisc hats, and restores performance without replacing the full assembly. Can I reuse the old hardware? No. Always install the new floating hardware included in the kit for proper fitment and long-term safety. Upgrade your McLaren’s braking performance with Girodisc D2-159 380mm rear replacement rings — engineered for durability, heat control, and consistent stopping power on both street and track.

Girodisc Subaru WRX STI Rear Rotors Designed for enthusiasts who demand faster response and greater stopping consistency, Girodisc rear rotors for the 2008–2017 Subaru WRX STI combine lightweight performance with race-proven cooling technology. These two-piece floating rotors deliver improved balance, heat control, and durability—ideal for both spirited street driving and track days. Vehicle Fitment Subaru WRX STI (2008–2017)Compatible with OEM Brembo rear calipers and factory parking brake system. Lightweight, High-Performance Design The Girodisc system bolts directly to factory hubs. Some OEM and aftermarket brake pads require minor modification to clear the hardware while retaining the stock parking brake. This simple adjustment involves slightly grinding the backing plate to match the pad’s arc, and full instructions are included. Pads supplied by Girodisc for this application are already CNC-modified for a direct fit. Each rotor assembly combines a 6061-T6 aluminum hat with Girodisc’s proprietary cast-iron friction ring, cast and machined in the USA. The curved internal vane structure acts as a centrifugal pump, pulling air through the rotor to maximize cooling and reduce fade. At only 11 lbs each versus 18 lbs stock, these rotors significantly reduce unsprung and rotational weight for sharper handling and quicker acceleration. Features • Direct replacement for OEM rotors – minor pad modification may be required• 6061-T6 billet aluminum hats, hard-anodized for corrosion resistance• Proprietary cast-iron friction rings cast and machined in the USA• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers prevent rattle while maintaining float• Curved vane design enhances airflow and cooling• 11 lbs per rotor vs. 18 lbs OEM – reduces unsprung mass by 7 lbs each• Fully rebuildable – replace only the iron rings when worn• Sold/priced per pair Girodisc A2-095 Rear Rotor FAQs: Do these rotors require modification to install? The rotors themselves bolt directly on. However, some brake pads require minor backing plate modification to clear the hardware. Full instructions are provided, and Girodisc pads are pre-machined for plug-and-play use. Will these rotors retain my factory parking brake? Yes. Girodisc specifically designed this setup to keep full functionality of the OEM parking brake system. How much weight savings can I expect? Each Girodisc rotor is approximately 7 lbs lighter than stock, reducing rotational inertia and improving suspension response. Are these suitable for track days or street use? Absolutely. These rotors are engineered for both daily driving and high-performance conditions, providing better cooling and fade resistance under load. Upgrade your Subaru WRX STI with Girodisc rear rotors for lighter, cooler, and more consistent braking performance—precision-built to handle everything from mountain roads to race circuits.

Girodisc Subaru WRX STI ('04–07) Rear Rotors Upgrade your 2004–2007 Subaru WRX STI with Girodisc lightweight two-piece rear rotors engineered for precision, durability, and improved heat management. These rotors deliver faster response, reduced fade, and sharper braking feel while maintaining factory balance and ABS performance. Perfect for both daily driving and high-performance track use. Vehicle Fitment Compatible with:• Subaru WRX STI (2004–2007)• Subaru WRX STI Limited (2007)Direct OEM replacement – bolts directly to factory hubs and calipers. Note: Minor pad modification may be required for proper clearance (see below). Track-Tested, Street-Ready Braking Performance The Girodisc system replaces the OEM one-piece rotors with a two-piece floating design to reduce unsprung mass and improve heat dissipation. Each rotor hat is CNC-machined from 6061-T6 aircraft-grade aluminum and hard-anodized for strength and corrosion resistance. The proprietary cast-iron rings are made and machined in the USA, featuring curved directional vanes that draw cooling air through the disc for maximum thermal efficiency. The result is consistent, fade-free braking performance under the most demanding conditions. Features • Direct OEM replacement for 2004–2007 Subaru WRX STI rear rotors• Lightweight two-piece floating rotor assembly• CNC-machined 6061-T6 aluminum hats with anodized finish• Proprietary cast-iron friction rings with curved directional vanes• Cadmium-plated drive pins resist corrosion and fatigue• Anti-noise spring washers eliminate rattle and vibration• Retains OEM parking brake compatibility• Approximately 7 lbs lighter per rotor than stock• Fully rebuildable – replace only iron rings when worn• Sold/priced per pair Installation Note The OEM pads and some aftermarket brake pads require slight modification to fit the Girodisc hardware layout while maintaining OEM parking brake operation. This involves lightly grinding the backing plate of the pad to match the pad material arc. Girodisc includes instructions, and all pads purchased directly from Girodisc come pre-modified for a plug-and-play fit. Girodisc A2-007 Rear Rotor FAQs: Do these rotors fit directly on the 2004–2007 STI? Yes. The A2-007 rotors are designed specifically for the GD-chassis WRX STI and bolt directly to the factory hub and calipers. Why is pad modification needed? Girodisc’s floating two-piece design changes the hardware arrangement slightly, requiring a small pad clearance adjustment to ensure proper fit and full parking brake functionality. How much lighter are these than stock rotors? Approximately 7 lbs per corner—11 lbs each compared to roughly 18 lbs stock—reducing unsprung weight and improving handling response. Are these suitable for aggressive driving or track use? Absolutely. The Girodisc design offers superior heat control, reduced fade, and consistent braking during sustained high-temperature operation. Experience precise braking control and lasting performance with Girodisc rear rotors for your Subaru WRX STI—engineered for the driver who demands performance without compromise.

Girodisc Subaru WRX STI (2004–2017) Front Rotors The Girodisc system is a direct replacement for the OEM front rotors on the 2004–2017 Subaru WRX STI. Weighing only 16.6 lbs per rotor, these lightweight 2-piece assemblies dramatically reduce unsprung and rotational mass, improving steering response, acceleration, and suspension control. Designed for both high-performance street use and demanding track conditions, the Girodisc system maintains factory brake bias and ABS functionality while delivering improved cooling and endurance. Precision Engineering The rotor rings are machined from Girodisc’s proprietary high-carbon iron alloy, poured and processed entirely in-house in Bellingham, Washington. This advanced metallurgy ensures superior thermal stability and wear resistance under extreme braking conditions. The 30 curved vanes act as centrifugal pumps, drawing air through the hub to enhance rotor cooling during high-load track sessions. Features Direct bolt-on replacement for OEM front rotors – no modifications required Lightweight two-piece floating design reduces unsprung weight Proprietary high-carbon iron rings ensure consistent performance and long life 6061-T6 aluminum hat, hard anodized for durability Floating hardware with spring clips and Belleville washers for quiet operation Curved vane internal design maximizes air flow and cooling Fully rebuildable – replace iron rings while reusing the hats and hardware Manufactured entirely in the USA using domestically sourced materials Vehicle Fitment Subaru WRX STI (2004–2017) Technical Specifications Part Number: A1-007 Position: Front Diameter: 326mm Thickness: 30mm Weight: 16.6 lbs per rotor Rotor Type: Two-piece floating Hat Material: 6061-T6 aluminum (black anodized) Disc Material: Proprietary high-carbon cast iron Vane Design: 30 curved directional vanes Drive Pins: High-strength steel alloy, cadmium-plated Sold/Price: Per pair FAQs for Girodisc A1-007 Are these a direct fit for my Subaru WRX STI? Yes. They bolt directly onto all 2004–2017 Subaru WRX STI models with factory calipers and require no additional hardware. Can I reuse the aluminum hats? Yes. The Girodisc system is fully rebuildable—only the iron rotor rings need to be replaced when worn. Will they make noise on the street? No. The included Belleville washers and spring clips eliminate the rattles commonly associated with floating rotors. Are these suitable for track days? Absolutely. Girodisc rotors are engineered for heavy braking, offering superior heat resistance, minimal fade, and consistent performance on the track. Upgrade your Subaru WRX STI with Girodisc’s precision-engineered floating front rotors—built to deliver race-proven performance, reduced weight, and uncompromising stopping power.

Girodisc Mitsubishi Evo 6–9 Rear Rotors Transform the braking response of your Mitsubishi Evolution with Girodisc lightweight two-piece rear rotors. Designed for Evo VI through Evo IX models, these precision-engineered rotors reduce unsprung weight, improve heat management, and deliver sharper pedal feel while maintaining factory brake balance and ABS function. Vehicle Fitment Compatible with:• Mitsubishi Lancer Evolution VI (1999–2001)• Mitsubishi Lancer Evolution VII (2001–2003)• Mitsubishi Lancer Evolution VIII (2003–2005)• Mitsubishi Lancer Evolution IX (2006–2007)Direct OEM replacement – bolts to factory hubs and calipers with no major modifications required. Note: Minor pad modification may be required for proper clearance (see below). Race-Proven Design with Everyday Reliability The Girodisc system replaces the OEM one-piece rotors with a fully floating two-piece design that improves cooling efficiency and reduces rotational mass. Each rotor hat is CNC-machined from U.S.-sourced 6061-T6 aircraft-grade aluminum and hard-anodized for strength and corrosion protection. The proprietary cast-iron rings are poured and machined in-house at Girodisc’s U.S. facility, using a curved vane design to draw air through the disc for superior heat dissipation under high-performance conditions. Features • Direct-fit upgrade for Mitsubishi Evo 6, 7, 8, and 9 rear brakes• Lightweight two-piece floating construction• CNC-machined 6061-T6 aluminum hats with hard-anodized finish• Proprietary cast-iron friction rings poured and machined in the USA• Curved vane design promotes airflow and reduces fade• Cadmium-plated drive pins resist corrosion and fatigue• Anti-noise spring washers allow controlled thermal expansion• Retains OEM parking brake functionality• Reduced unsprung and rotational weight (approx. 2.5 lbs lighter per rotor)• Sold/priced per pair Installation Note The OEM pads and some aftermarket brake pads require minor modification before installation to accommodate the Girodisc hardware and retain the factory parking brake. This involves lightly grinding the pad backing plate to match the arc of the pad material. Girodisc includes full instructions, and pads purchased directly from Girodisc are pre-modified for a plug-and-play fit. Girodisc A2-008 Rear Rotor FAQs: Do these fit directly on Evo 6–9 models? Yes. The Girodisc A2-008 rotors are designed specifically for these generations of the Mitsubishi Evolution and bolt directly to the OEM hub and calipers. Why do the pads need modification? The Girodisc floating design uses additional hardware that slightly changes the clearance between the caliper and rotor. Grinding the backing plate ensures proper fit while keeping the parking brake fully functional. How do these compare to OEM rotors? Girodisc rotors weigh less, run cooler, and can be rebuilt by replacing only the iron rings—offering long-term savings and improved braking performance. Are these suitable for track use? Absolutely. The floating two-piece construction and advanced cooling design make them ideal for aggressive street driving and track events. Upgrade your Evo’s rear braking system with Girodisc rotors for reduced weight, enhanced thermal control, and race-inspired precision built to handle your most demanding driving.

Girodisc Mitsubishi Evo 6–9 Front Rotors The Girodisc system is a direct replacement for the factory rotors on Mitsubishi Evolution 6, 7, 8, and 9 models. No modifications are required—the discs bolt directly to the car and work with the OEM calipers perfectly. By upgrading to lightweight, high-performance rotors rather than a full big brake kit, your factory brake bias and ABS efficiency remain intact. The Girodisc front rotors weigh approximately 18.2 lbs each compared to the 22 lbs stock rotors, reducing rotational and unsprung weight for sharper suspension response and quicker acceleration. High-Performance Construction The hat section of each rotor is precision-machined from U.S.-sourced 6061-T6 aircraft-grade aluminum for exceptional strength and reduced weight. The rotor rings are cast from Girodisc’s proprietary high-carbon iron alloy, poured and machined entirely in-house in the USA. The curved vane internal design functions like a centrifugal pump, forcing cooling air through the rotor to maximize thermal efficiency during demanding track sessions. Girodisc A1-008 Features Direct-fit replacement—no modifications required Lightweight two-piece floating rotor design Reduces unsprung and rotational mass for faster suspension response 6061-T6 aluminum hat with proprietary high-carbon iron rotor rings Curved vane internal design improves cooling and heat dissipation Floating mount system prevents warping and pad knockback Cadmium-plated drive pins resist corrosion and extend service life Anti-noise spring washers eliminate rattles while maintaining float Fully rebuildable—replace rings as needed and reuse the hats Vehicle Fitment Mitsubishi Lancer Evolution VI (1999–2001) Mitsubishi Lancer Evolution VII (2001–2003) Mitsubishi Lancer Evolution VIII (2003–2005) Mitsubishi Lancer Evolution IX (2005–2007) Technical Specifications Part Number: A1-008 Position: Front Weight: 18.2 lbs (each) Rotor Type: Two-piece floating Hat Material: 6061-T6 aluminum (anodized) Disc Material: Girodisc proprietary high-carbon cast iron Vane Design: Curved, directional Drive Pins: 10 high-strength alloy steel, cadmium-plated Hardware: Class 12.9 cap screws with hardened washers Sold/Price: Per pair FAQs for Girodisc A1-008 Do these rotors fit directly? Yes. The Girodisc system is a bolt-on replacement for the OEM rotors—no additional modifications or adapters required. Will they work with OEM calipers and pads? Absolutely. They are designed to be fully compatible with factory brake components. Can I replace just the rings? Yes. Girodisc rotors are fully rebuildable—simply replace the iron rings when worn while reusing the aluminum hats and hardware. Are these suitable for track use? Yes. The Girodisc Evo 6–9 rotors are engineered for demanding motorsport applications, offering superior cooling and resistance to warping under heat. Upgrade your Mitsubishi Evo 6–9 with Girodisc’s precision-engineered floating rotors—built for exceptional cooling, reduced mass, and maximum braking performance on street or track.

D1-128 Girodisc Front Replacement Rotor Rings FITS: FERRARI 458 CHALLENGE REPLACEMENT ROTOR DISC 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 grade12 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.

Antigravity Group-35/Q85 Lithium Car Battery Upgrade your vehicle’s starting power and drop serious weight with the Antigravity Group-35/Q85 lithium car battery. Built on safe, stable LiFePO4 chemistry with a full Battery Management System and Antigravity’s exclusive RE-START wireless jump-starting, it’s a direct Group 35/Q85 replacement that delivers huge cranking amps in a compact, ultra-light package. High power, low weight, direct-fit Group 35/Q85 replacement Key Features Direct OEM case size: Group 35/Q85 (drop-in replacement) Dimensions (L×W×H): 9 × 6.85 × 8.6 in Capacity: 40 Amp Hours Cranking power: 1500 Cranking Amps Exclusive RE-START Technology: wireless jump-starting from the included keyfob Complete Battery Management System (BMS) built in for protection and longevity LiFePO4 chemistry for enhanced thermal stability and safety Ultra lightweight: about 13.75 lbs (up to ~70% lighter than lead-acid) Threaded terminals: M8 × 1.25 Shipping note: Adult signature required SKU: 35-40-RS Why It’s Better This battery delivers significantly higher cranking performance than typical lead-acid Group 35 units while trimming major weight from the nose of the car. The integrated BMS monitors voltage, temperature, and cell balance, while RE-START gives you a built-in reserve so you can recover from an accidental drain without opening the hood or calling for a jump. Suggested Fitments (Group-35/Q85 vehicles) Acura NSX, Acura RDX, Mitsubishi EVO models, and various Subaru applications that utilize Group 35/Q85 sizing. Always confirm tray dimensions, terminal orientation/polarity, and hold-down style on your specific vehicle before purchase. What’s Inside Antigravity Group-35/Q85 lithium battery Wireless RE-START keyfob User documentation Installation Notes Verify positive/negative terminal locations match your vehicle. Ensure proper hold-down engagement and cable strain relief. After installation, start the vehicle and confirm charging voltage per the manufacturer’s guidance. Antigravity Group-35/Q85 Lithium Car Battery FAQs: Is this a direct replacement for Group 35 or Q85 batteries?Yes, it’s built in the Group 35/Q85 OEM case size for drop-in fitment in vehicles that use this size. Always confirm dimensions and terminal orientation before ordering. Do I need a special charger?Most modern smart chargers that support lithium (LiFePO4) profiles are compatible. Avoid chargers with desulfation or repair modes designed for lead-acid batteries. How does RE-START work?RE-START maintains a reserve. If the battery is drained, press the keyfob button to temporarily re-enable power so you can start the car and allow the alternator to recharge the battery. Is LiFePO4 safe for automotive use?LiFePO4 chemistry offers strong thermal stability, and the built-in BMS adds over-/under-voltage, over-current, and temperature protections when used as directed. Will it work in cold weather?LiFePO4 performance can dip at very low temperatures. For cold starts, briefly turn on electrical loads (lights, defroster) for a minute to warm the cells, then crank. Check the manufacturer’s recommended temperature ranges. What vehicles will it fit?Common Group-35/Q85 vehicles include Acura NSX/RDX, Mitsubishi EVO models, and many Subarus. Confirm tray size, terminal layout, and hold-down type for your exact trim and year. Ready to cut weight and add serious cranking performance? Drop the Antigravity Group-35/Q85 Lithium Car Battery into your build and feel the difference every time you hit the starter.   NEW! Lightweight Lithium Batteries with Wireless Remote Built-In Jump Starting! Antigravity Batteries has changed the game again with their latest Lithium-ion Car Batteries. The newest RE-START line of batteries offers built-in WIRELESS Jump-Starting! That means if your battery is ever discharged, simply press the button on the provided key fob, start the car, and drive away! No need for a jump starter or roadside assistance. You don’t even have to open the hood—activate it from inside your vehicle! If you want to track your battery status via Bluetooth, you can use the Bluetooth Battery Tracker PLUS (sold separately).

Antigravity Group-51R Lithium Car Battery The Antigravity Group-51R Lithium Car Battery is a game-changer for both performance enthusiasts and everyday drivers. Designed as a direct OEM replacement, it delivers massive cranking power in a lightweight package, all while featuring built-in wireless jump-starting to ensure you’re never stranded again. Lightweight, Powerful, and Smart This innovative lithium battery combines cutting-edge RE-START technology with a complete Battery Management System for unmatched reliability and performance. Whether installed in a Honda Civic, S2000, Miata MX-5, or Nissan GTR, the Group-51R battery provides exceptional starting power, extended life, and substantial weight savings compared to traditional lead-acid batteries. Features • Group 51R OEM automotive case size (direct drop-in replacement)• Dimensions: 9.4 x 5.2 x 8.6 in (238 x 130 x 220 mm)• Available in 30 Ah capacities• High cranking power: 1200 CA (30 Ah)• Wireless RE-START technology: activate jump-starting from the included key fob• Built-in Battery Management System with over-discharge, over-charge, short circuit, thermal protections, and cell balancing• Ultra lightweight: 70% lighter than lead-acid, with weight savings of up to 40 lbs• LiFePo4 lithium chemistry for safety and durability• Threaded terminals: M8x1.25 Group-51R Key Benefits RE-START Technology: If the battery is ever discharged, the intelligent BMS will preserve just enough energy to restart your vehicle. Simply press the keyfob button, start the car, and drive away—no jump pack or roadside help needed.Full Battery Management: Advanced BMS provides safety circuitry, over/under voltage protection, and cell balancing for a longer life cycle—up to 7–9 years depending on usage and climate.Exact OEM Fitment: Available in standard BCI sizes to fit most performance and passenger cars without modification.Performance Gains: Weight savings of 25–55 lbs improves handling, braking, and acceleration. High cranking power easily turns over engines up to 900 horsepower.Environmentally Safer: No lead, acid, or heavy metals—fully recyclable and safer for your vehicle and the environment. Specifications • Weight: 11.25 lbs (30 Ah)• Size: 9.4 x 5.2 x 8.6 in• Amp Hours: 30 Ah• Cranking Amps: 1200 CA• Nominal Voltage: 12.8 V• Low Voltage Cut-Off: Yes• Positive Terminal: Right Side FAQs: Antigravity Group-51R Lithium Car Battery How does the wireless RE-START function work? If the battery is discharged, the BMS puts it into sleep mode to reserve power. Pressing the keyfob button reactivates the battery so you can start your vehicle without opening the hood. Is this battery a direct replacement for OEM Group-51R batteries? Yes, it’s designed to fit OEM Group-51R dimensions exactly, making it a simple drop-in installation for most vehicles. Can this battery be used in daily driven vehicles? Absolutely. the 30 Ah model is ideal for street and performance applications, offering excellent reliability and long life. What vehicles commonly use Group-51R batteries? Common applications include Honda Civics, Honda S2000, Miata MX-5, and Nissan GTR, among many others. NEW! Lightweight Lithium Batteries with Wireless Remote Built-In Jump Starting! Antigravity Batteries has changed the game again with their latest Lithium-ion Car Batteries. The newest RE-START line of batteries offers built-in WIRELESS Jump-Starting! That means if your battery is ever discharged, simply press the button on the provided key fob, start the car, and drive away! No need for a jump starter or roadside assistance. You don’t even have to open the hood—activate it from inside your vehicle! If you want to track your battery status via Bluetooth, you can use the Bluetooth Battery Tracker PLUS (sold separately).

Antigravity H6/Group-48 16V Lithium Race Car Battery Never Stranded Again — The Smart 16-Volt Racing Battery The Antigravity H6/Group-48 16V Lithium Race Car Battery is the world’s first automotive battery to feature built-in wireless remote jump starting and a full intelligent Battery Management System (BMS). Purpose-built for race cars and high-performance applications, this compact and ultra-lightweight lithium battery delivers massive cranking power, ultra-fast recharging, and rock-solid reliability on the strip, track, or street. Whether you're cranking over a 1500-horsepower engine or cutting weight for quicker laps, the Antigravity 16V battery provides unmatched performance, safety, and peace of mind — all in a compact H6 form factor. Key Features & Benefits RE-START Wireless Jump-Starting: The world’s first car battery with built-in wireless jump-starting. Press the included remote key fob to wake the battery from sleep and start your car — even if it’s completely discharged. Full Battery Management System (BMS): Built-in protections for over-discharge, over-charge, short circuit, thermal overload, and automatic cell balancing — ensuring safety and maximizing battery life. Race-Ready 16-Volt Output: Delivers up to 1500 cranking amps and 30Ah capacity — outperforming 90Ah lead-acid batteries in high-discharge conditions. Ultra-Lightweight Design: Just 16.25 lbs — up to 70% lighter than comparable lead-acid batteries. Instantly drops 25–55 lbs from your vehicle for better handling, braking, and acceleration. Long Service Life: 3x the cycle life of lead/acid batteries, with 7–9 years expected lifespan depending on use and climate. Compact H6 Fitment: Designed for universal fitment in most race-specific vehicles; fits most standard battery compartments with minor modifications. Environmentally Safer: No acid, lead, cadmium, or mercury — and fully recyclable. Performance Specs Specifications Model H6-30-16 Voltage 16V Capacity 30Ah Cranking Power 1500A Weight 16.25 lbs (7.4 kg) Fitment H6 / Group 48 form factor Applications Race-specific vehicles, drag racing, circuit racing, and other high-performance builds Why Choose the Antigravity 16V H6 Battery? Built to dominate the racing world, the Antigravity 16V H6 battery gives you the fastest starts, the lightest weight, and the smartest safety system ever packed into an automotive battery. It’s the ultimate upgrade for serious racers looking to shed weight, increase performance, and never get stranded again. Pair it with an Antigravity 16V lithium charger for rapid between-round charging and optimal longevity. Summary First-ever wireless remote-activated jump-starting lithium car battery Integrated BMS with over/under voltage, short circuit, thermal, and cell-balancing protections high-discharge performance suitable for engines up to and over 1500 horsepower. Extremely lightweight and vibration-resistant design Longer service life and lower self-discharge than lead/acid batteries Environmentally safer with no lead, acid, or hazardous metals Shop with Confidence Available now from Competition Motorsport — your trusted source for high-performance motorsport batteries, expert fitment support, and fast race-season shipping.