all

Girodisc BMW F8X Essex/AP BBK Front Replacement Rings  Restore your BMW M3 or M4’s braking power with Girodisc D1-194 front replacement rings for the Essex/AP Racing big brake kit (A1-194). These 372 mm high-carbon cast-iron rings are direct replacements for the original Girodisc/AP rotor assemblies, designed to bolt onto existing aluminum hats using the included floating hardware kit. Engineered for maximum cooling efficiency and consistent pedal feel, they’re the ideal service solution for track-focused M cars. Vehicle Fitment Compatible with:• BMW F80 M3 (Front)• BMW F82 / F83 M4 (Front)• BMW M2 Competition (F87, Front)Note: Designed for the Essex/AP Racing big brake kit using Girodisc A1-194 rotor assemblies. Not compatible with OEM or other aftermarket rotors. Features • Sold as a left/right pair with full floating hardware kit• Direct replacements for Girodisc 372 mm AP Racing BBK rotors• CNC-machined from high-carbon cast iron for exceptional thermal stability• Directional curved vanes maximize airflow and heat dissipation• Maintains brake balance and ABS calibration for both street and track setups• Precision-balanced for smooth, vibration-free braking• Designed for Girodisc aluminum hats used in Essex/AP Racing BBK systems Specifications • Diameter: 372 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rotor rings and new hardware kit• Sold/priced per pair Girodisc D1-194 BMW F8X Essex/AP BBK Front Replacement Ring FAQs Are these rings compatible with OEM M3/M4 rotors? No. They’re designed only for Girodisc aluminum hats used in the Essex/AP Racing big brake kit. Will these fit the AP Racing CP9660 calipers? Yes. They’re designed for the A1-194 rotor assemblies paired with AP CP9660 front calipers in the Essex/AP BBK. Can these handle full track use with race pads? Absolutely. The D1-194 rings are engineered for high thermal stress and work flawlessly with aggressive pad compounds. Do they require new hats or just rings? You can reuse your existing Girodisc hats; these rings bolt directly on using the included hardware kit. Refresh your BMW M3 or M4’s Essex/AP Racing BBK with Girodisc D1-194 front replacement rings — precision-engineered for cooling, longevity, and race-proven performance on every lap.

355x35mm Replacement Rotor Rings (D52) When your Girodisc rotors reach the end of their service life, these Girodisc GD355.35.52 Replacement Rings are the perfect refresh. Designed for the D52 series 355x35mm two-piece rotor assemblies, this replacement set restores the braking performance and precision Girodisc is known for—without replacing your original aluminum hats. Manufactured in the USA from Girodisc’s proprietary high-carbon cast iron alloy, these rotor rings deliver outstanding thermal capacity, reduced brake fade, and the durability demanded by high-performance driving and track use. They’re a direct bolt-on replacement using your existing Girodisc hats, saving cost while maintaining full performance and reliability. Features and Benefits Direct replacements for Girodisc D52 355x35mm two-piece rotors Machined from proprietary high-carbon cast iron for superior heat resistance 48 curved directional vanes maximize airflow for consistent cooling Balanced and matched to OEM tolerances for vibration-free braking Includes all new drive pins, bolts, and washers Lightweight design minimizes unsprung mass while maximizing stopping power Made and machined entirely in the USA Compatibility Designed exclusively for Girodisc D52 355x35mm rotor assemblies. These rings are only compatible with Girodisc aluminum hats. They are not designed to fit OEM or other aftermarket two-piece rotor systems. Why Choose Girodisc Girodisc rotors are precision-engineered to perform under the most demanding conditions. Every component is CAD-modeled, CNC-machined, and track-tested to deliver exceptional performance, fade resistance, and thermal stability. When it’s time to refresh your setup, Girodisc replacement rings give you the braking feel and control of a brand-new system—without the added cost of new hats. FAQs Do these include the aluminum hats?No. The GD355.35.52 kit includes only the rotor rings and new hardware. Your existing Girodisc hats are reused. Are these compatible with OEM rotors?No. Girodisc replacement rings are engineered specifically for Girodisc hats and will not fit OEM or other aftermarket rotor systems. What’s included in the box?A pair of 355x35mm rotor rings (left and right) and a complete hardware kit including drive pins, bolts, and washers. Are these rotors directional?Yes. Each ring features curved internal vanes optimized for airflow and cooling. Be sure to install them on the correct sides for maximum performance. Ready to Refresh Your Brakes? Restore your Girodisc system to peak performance with the GD355.35.52 355x35mm Replacement Rings. Designed for precision, strength, and cooling efficiency, they’re the ultimate choice for maintaining the world-class braking feel you expect from Girodisc. Order your set today from Competition Motorsport and get back to braking perfection.

Girodisc VW Golf R (Mk8), Audi 8Y S3 Front Rotors Upgrade your Volkswagen Golf R or Audi S3 braking system with Girodisc lightweight two-piece front rotors. Designed for precision, durability, and cooling efficiency, these rotors deliver sharper response and reduced fade for both spirited street driving and demanding track sessions. The fully floating design reduces unsprung and rotating mass, improving handling and braking control without altering factory balance or ABS performance. Vehicle Fitment Compatible with:• Volkswagen Golf R (Mk8, 2022+)• Audi S3 (8Y, 2022+)Direct OEM replacement – bolts to factory hubs and calipers, no modifications required.Sold and priced per pair. Race-Developed, Street-Refined Performance Each Girodisc 2-piece rotor assembly replaces the factory one-piece iron disc with a lightweight floating design. The friction rings are machined from Girodisc’s proprietary high-carbon iron casting, developed for exceptional strength and thermal stability under high-stress braking. The 72 curved vanes function as internal air pumps, drawing cool air through the disc for maximum heat dissipation and fade resistance. Paired with CNC-machined 6061-T6 aluminum hats finished in black anodize, these rotors strike the perfect balance between weight reduction and durability. Features • Direct OEM replacement for VW Golf R (Mk8) and Audi 8Y S3 front rotors• Two-piece floating design reduces unsprung and rotational mass• CNC-machined 6061-T6 aluminum hats, black anodized for corrosion resistance• Proprietary high-carbon cast iron rotor rings for improved heat control• 72 curved cooling vanes efficiently manage thermal load• Fully rebuildable – reuse hats with replacement rings (P/N D1-288)• Precision-assembled using cadmium-plated hardware and spring clip float control• Made and assembled in Bellingham, WA from U.S.-sourced materials• Minimum recommended ring thickness: 32mm Specifications • Application: Front axle• Material: High-carbon cast iron with 6061-T6 aluminum hat• Vane count: 72 curved directional• Replacement ring part number: D1-288• Made in the USA• Sold/priced per pair Girodisc A1-288 Front Rotor FAQs: Do these rotors fit both the Mk8 Golf R and 8Y Audi S3? Yes. The A1-288 Girodisc rotors are designed for direct fitment on both the Volkswagen Golf R Mk8 and the Audi S3 8Y chassis, using factory calipers and hardware. How much weight do these rotors save? The two-piece design significantly reduces unsprung weight compared to OEM rotors, improving steering feedback and suspension responsiveness. Can the iron rings be replaced? Yes. Girodisc rotors are fully rebuildable—simply reuse the aluminum hats and install new rings (part number D1-288) when the originals reach minimum thickness or wear limits. Are these rotors suitable for track days? Absolutely. Girodisc rotors are engineered for motorsport-level heat management while remaining quiet and reliable for street use, offering the best balance of performance and longevity. Upgrade your Golf R or S3 with Girodisc two-piece rotors to experience unmatched stopping precision, reduced weight, and consistent performance lap after 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.

Girodisc Alfa Romeo 4C Front Rotors The Girodisc front rotors for the Alfa Romeo 4C are precision-engineered to improve braking performance while maintaining perfect factory fitment. Designed as a direct replacement for the OEM rotors, these lightweight two-piece discs deliver faster response, cooler operating temperatures, and reduced rotational mass for sharper handling and braking consistency both on the street and track. Lightweight. Efficient. Built for the 4C. The central hat section of each rotor is made from U.S.-sourced 6061-T6 aircraft-grade aluminum for superior strength with minimal weight. Girodisc’s proprietary cast-iron rings are poured and machined in-house, using a curved vane design developed in racing to act as a centrifugal pump—drawing air through the disc for maximum cooling efficiency. The result is a fade-resistant braking system that enhances pedal feel and control. Girodisc A1-078 Features • Direct bolt-on replacement for OEM Alfa Romeo 4C front rotors• Two-piece floating design reduces unsprung and rotational mass• Curved vane internal design increases airflow and cooling• 10 high-strength alloy steel drive pins for precise float• Anti-noise spring washers eliminate rattle and vibration• U.S.-machined from 6061-T6 aluminum and proprietary cast iron• Fully rebuildable — only replace the iron ring when worn Vehicle Fitment Compatible with:• 2015–2020 Alfa Romeo 4C Coupe• 2015–2020 Alfa Romeo 4C SpiderDirect replacement for OEM front rotors. Works with factory calipers and ABS without modification. FAQs: Girodisc Alfa Romeo 4C Front Rotors Do these rotors require any modifications? No, they bolt directly to the factory calipers and hubs with no spacers or adapters required. Are they suitable for track use? Yes, Girodisc rotors are designed to handle repeated high-temperature cycles and heavy braking loads typical of track environments. What are they made of? The rotor hat is CNC-machined from 6061-T6 aluminum, and the rotor ring is Girodisc’s proprietary high-carbon cast iron for superior heat dissipation. Can I replace just the rotor rings later? Absolutely — the Girodisc system is fully rebuildable. Replacement rings are available separately when the originals wear out. Upgrade your Alfa Romeo 4C with Girodisc precision rotors — delivering lighter, stronger, and cooler braking performance for the road and the circuit.

Hyundai Veloster N Front Rotors Unlock the full braking potential of your Hyundai Veloster N with Girodisc’s lightweight 2-piece floating front rotors. Designed as a direct bolt-on replacement for factory discs, these rotors drop right in with no modifications required. They maintain your OEM brake balance and ABS tuning while delivering smoother pedal feel, faster heat recovery, and reduced fade during aggressive driving or track days. Engineered for the Street and the Circuit Built in the USA with precision and purpose, each Girodisc rotor combines aerospace-grade materials with motorsport design. The hat is CNC-machined from 6061-T6 aluminum for strength and weight savings, while the rotor rings are cast from Girodisc’s proprietary high-carbon iron alloy for superior heat resistance and stability. The curved internal vane structure draws cool air through the disc to regulate temperature, ensuring consistent braking performance lap after lap. Vehicle Fitment Hyundai Veloster N (2019-present) Hyundai i30 N (international markets) Features Direct OEM Fitment: Bolts directly to factory hubs and calipers—no modifications or adapters needed. Lightweight Two-Piece Design: Reduces unsprung and rotating mass for improved suspension response and braking consistency. Curved Vane Ventilation: Directional internal vanes act as a centrifugal pump, maximizing cooling airflow under repeated heavy braking. Floating Mount Hardware: Utilizes high-strength steel pins with anti-noise spring washers to allow precise expansion while remaining quiet. Serviceable Construction: Replace the cast-iron rings when worn and reuse the anodized aluminum hats to reduce long-term cost. Made in the USA: Designed, cast, and machined in-house under strict quality control. FAQs – Hyundai Veloster N Front Rotors Will these fit my factory Brembo calipers? Yes, they’re engineered to bolt directly to OEM Veloster N calipers with no adjustments required. Do these rotors make noise? No—the floating system uses anti-rattle spring washers to keep them quiet under all conditions. Can I daily drive with these? Absolutely. They’re quiet and smooth for daily use but strong enough for heavy track braking. How much lighter are they than stock? The two-piece design saves several pounds per corner, improving turn-in and suspension compliance. Enhance your Hyundai Veloster N with Girodisc’s 2-piece floating front rotors—built to stay cool, stop hard, and deliver confidence on every road and every track session.

FITS: NISSAN GTR (2012+) 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 system is an upgrade to a 2-piece steel rotor and aluminum hat combination and is a direct replacement for the OEM brake disc.  The 2-piece floating disc will bolt directly to the car and work with OEM calipers perfectly.  By upgrading your brakes with these lightweight high-performance replacements as opposed to a big brake kit, your factory bias is maintained as well as your ABS efficiency.  The Giro Disc rotors are lighter than OEM pieces.  The reduction in rotational and unsprung weight (8 lbs per corner) allows for quicker acceleration and suspension response. When used with Pagid performance brake pads, and either Torque RT700 or Prospeed RS683 hi temp fluid (all  available from CompetitionMotorsport.com), you have an amazing solution to overheating and warping rotors. The central hat section of the disc is made from 6061-T6 aircraft specification aluminum.  The disc is manufactured from cast iron which is constructed in the USA and is made to the same specification with the same material used by professional racing organizations.  The rotors curved vane design was developed in racing and acts as a centrifugal pump to force cooling air through the disc.   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 as well to minimize future replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

Girodisc Mitsubishi Evo X Rear Rings Restore precision braking on your Mitsubishi Evo X with Girodisc D2-047 330mm rear replacement rings. Designed as direct-fit replacements for Girodisc two-piece rotors, these rings bolt to your existing aluminum hats using the included floating hardware kit. Refresh the wear surface without replacing the entire assembly, keeping your Evo’s braking system light, responsive, and track-ready. Vehicle Fitment Compatible with:• Mitsubishi Lancer Evolution X (2008–2015, rear)Note: For vehicles equipped with Girodisc 330 mm two-piece rear rotor systems. Not compatible with OEM or carbon-ceramic rotors. Girodisc D2-047 Features • Sold as a left/right pair with full floating hardware kit• Direct replacements for Girodisc 330 mm two-piece rear rotors• CNC-machined from proprietary high-carbon cast iron for heat stability• Directional curved vanes enhance airflow and reduce fade• Maintains factory brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 330 mm• 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 D2-047 Evo X Rear Replacement Ring FAQs Do these fit the stock Evo X rotors? No. These are engineered for Girodisc two-piece rotor hats and won’t fit factory one-piece rotors. Are these compatible with OEM Brembo calipers? Yes. They are a direct fit with the factory Brembo calipers when used with Girodisc hats. Can I use aggressive track pads with these rings? Absolutely. The high-carbon alloy resists cracking and heat distortion under demanding race or time-attack conditions. How much weight do these save over OEM rotors? The two-piece Girodisc system typically saves 4–6 lbs per corner, reducing unsprung mass and improving suspension response. Upgrade your Mitsubishi Evo X with Girodisc D2-047 330 mm rear replacement rings — precision-built for fade-free performance, lighter weight, and superior thermal control on both street and circuit.

Girodisc McLaren 350mm Rear Rotors Enhance your McLaren’s braking precision with Girodisc 350mm two-piece rear rotors. Built as a direct OEM replacement for cars originally equipped with cast iron rotors, these lightweight, high-performance assemblies improve cooling, reduce unsprung weight, and deliver superior pedal feel without altering factory brake balance or ABS function. Vehicle Fitment Compatible with McLaren models originally equipped with 350mm cast iron rear rotorsDirect OEM replacement – no modifications requiredRetains factory brake bias and electronic controls Lightweight Performance, Track-Proven Strength The Girodisc system replaces the factory one-piece rotors with a fully floating two-piece assembly engineered for superior heat management and durability. The rotor hats are machined from 6061-T6 aircraft-grade aluminum, while the friction rings are cast from Girodisc’s proprietary iron alloy—poured, machined, and balanced in-house in the USA. The curved vane internal structure acts as a centrifugal pump, efficiently channeling air to cool the braking surfaces during aggressive driving or track sessions. Features • Direct bolt-on replacement for OEM 350mm rear rotors• 6061-T6 billet aluminum hats, CNC machined and anodized in the USA• Proprietary cast-iron friction rings for maximum heat resistance• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers control rattle and allow thermal expansion• Curved vane design improves cooling airflow and fade resistance• Lightweight construction reduces unsprung and rotational mass• Fully rebuildable – replace friction rings when needed• Sold/priced per pair Girodisc A2-023 Rear Rotor FAQs: Will these rotors fit McLaren models equipped with carbon ceramics? No. The A2-023 kit is designed for vehicles originally equipped with cast iron rotors. Carbon ceramic conversions require a different Girodisc setup. How do these rotors improve performance? The two-piece design lowers unsprung weight, improves heat dissipation, and maintains consistent braking under heavy use, all while retaining OEM brake bias and control. Do the curved vanes make a difference? Yes. The vane system acts as a centrifugal air pump, significantly improving airflow and cooling efficiency for reduced fade during extended high-temperature braking. Are they noisy or prone to rattle? No. Girodisc’s anti-noise spring washer system prevents rattle while allowing the rotor to expand freely under heat, ensuring smooth and quiet operation. Take your McLaren’s braking to the next level with Girodisc 350mm rear rotors—precision-engineered for lighter weight, superior cooling, and track-proven reliability.

FITS: PORSCHE CAYMAN S / BOXSTER S (2005-2014+) WITH PCCB 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 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.

Girodisc Porsche Cayman Iron Conversion Rear Rotors Convert your PCCB-equipped Porsche Cayman or Boxster to a high-performance iron rotor system with Girodisc’s precision-engineered rear rotors. Designed as a direct replacement for OEM carbon-ceramic discs, these rotors deliver superior heat management, consistent pedal feel, and lower replacement costs without compromising braking balance or ABS function. Vehicle Fitment Porsche 987 Cayman S / Cayman R (PCCB-equipped)Porsche 987 Boxster S (PCCB-equipped)Direct replacement for factory carbon-ceramic rotorsBolts directly to OEM calipers—no modifications required High-Performance Design for Real-World Driving The Girodisc system replaces the stock PCCB units with a two-piece floating iron rotor designed for durability and serviceability. Each rotor assembly features a CNC-machined 6061-T6 aluminum hat mated to Girodisc’s proprietary cast-iron friction ring. The curved vane internal design functions as a centrifugal air pump, maintaining consistent cooling under high braking loads. This setup preserves factory brake bias and pedal response while offering a more robust and affordable long-term solution for track or street use. Features • Direct PCCB replacement – no modifications required• 6061-T6 aluminum hats machined and anodized in the USA• Proprietary cast-iron friction rings cast and finished in-house• Floating mount design with cadmium-plated steel drive pins• Anti-noise spring washers eliminate rattle while allowing thermal expansion• Curved internal vanes maximize airflow and heat dissipation• Maintains OEM brake bias and ABS calibration• Fully rebuildable – replace only friction rings when needed• Sold/priced per pair Girodisc A2-049 Rear Rotor FAQs: Will these work with OEM PCCB calipers? Yes. These rotors are specifically designed for Caymans and Boxsters originally equipped with PCCB systems and bolt directly to the factory calipers. Why convert from PCCB to iron? Iron rotors offer greater thermal capacity and reduced replacement cost while still providing strong, consistent performance on street or track. Do these affect brake bias or ABS? No. Girodisc designs each conversion to maintain factory braking balance and ABS function. Are they rebuildable? Yes. When worn, only the iron friction rings need to be replaced—saving cost and maintaining long-term reliability. Upgrade your Cayman or Boxster’s braking system with Girodisc iron conversion rotors—precision-built for performance, reliability, and control.

FITS: PORSCHE 911 C2/C4 / 996 / 997.1 (1999-2008) 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.

FITS: Ferrari 458 CHALLENGE   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 system is an upgrade to a 2-piece steel rotor and aluminum hat combination and is a direct replacement for the OEM brake disc.  The 2-piece floating disc will bolt directly to the car and work with OEM calipers perfectly.  By upgrading your brakes with these lightweight high-performance replacements as opposed to a big brake kit, your factory bias is maintained as well as your ABS efficiency.  The Giro Disc rotors are lighter than OEM pieces.  The reduction in rotational and unsprung weight allows for quicker acceleration and suspension response.   When used with Pagid or PFC performance brake pads, and Competition Motorsport RF-1 brake fluid (also available from CompetitionMotorsport.com), you have an amazing solution to overheating, cracking and warping rotors. The central hat section of the disc is made from 6061-T6 aircraft specification aluminum.  The disc is manufactured from cast iron which is constructed in the USA and is made to the same specification with the same material used by professional racing organizations.  The rotors curved vane design was developed in racing and acts as a centrifugal pump to force cooling air through the disc.     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 as well to minimize future replacement costs and deliver outstanding performance and cooling.   Sold/Priced per pair.

Girodisc Ferrari 360 Challenge Rear Rotors Restore peak braking performance to your Ferrari 360 Challenge with Girodisc lightweight two-piece rear rotors. Engineered as a direct OEM replacement, these rotors enhance heat management, reduce unsprung mass, and maintain precise brake modulation whether you’re driving on track or keeping your Challenge car in top form for collection and exhibition use. Vehicle Fitment Compatible with:• Ferrari 360 Challenge (1999–2004)Direct OEM replacement – bolts directly to factory calipers with no modifications required. Race-Engineered Design for the Ferrari 360 Challenge The Girodisc system replaces the original one-piece rotors with a two-piece floating design to improve thermal capacity and performance. Each aluminum hat is CNC-machined from 6061-T6 aircraft-grade aluminum, then hard-anodized for strength and corrosion resistance. Girodisc’s proprietary cast-iron rings are made and machined in the USA, featuring curved directional vanes that act as centrifugal pumps to draw cooling air through the disc—ideal for the sustained temperatures seen in competition use. Features • Direct OEM replacement for Ferrari 360 Challenge rear rotors• Two-piece floating rotor assembly for superior heat control• CNC-machined 6061-T6 aluminum hats with anodized finish• Proprietary cast-iron friction rings poured and machined in the USA• Curved vane design for maximum airflow and reduced fade• Cadmium-plated drive pins with anti-noise spring washers• Reduces unsprung weight and improves handling response• Maintains factory brake balance and ABS function• Fully rebuildable – replace only the iron rings when worn• Sold/priced per pair Girodisc A2-015 Rear Rotor FAQs: Are these rotors a direct fit for the 360 Challenge? Yes. The A2-015 rotors are designed to bolt directly to the factory hubs and work seamlessly with the OEM calipers and pads. Do these rotors improve cooling over OEM? Absolutely. Girodisc’s curved vane design draws air through the rotor to dissipate heat more efficiently, reducing fade during long sessions. Can they be used on a street-driven 360 Challenge? Yes. While designed for track use, the Girodisc system delivers smooth, quiet operation suitable for occasional road driving as well. Are the rotors serviceable? Yes. The floating two-piece design allows you to replace just the cast-iron rings when worn, lowering long-term maintenance costs. Upgrade your Ferrari 360 Challenge with Girodisc rear rotors—precision-built to preserve the car’s factory balance while delivering the cooling and reliability demanded by serious drivers.

Mercedes S63/65, CL63/65 Front Rotors (Dimpled & Slotted) The Girodisc system is a direct replacement for the OE disc. No modifications are necessary—the disc bolts directly to the car and works flawlessly with OE calipers. By upgrading your brakes with these lightweight, high-performance rotors instead of a big brake kit, you’ll maintain your factory brake bias and full ABS efficiency while gaining exceptional stopping consistency and pedal feel. Precision-Built for Performance Each Girodisc rotor is engineered and manufactured in the USA to deliver uncompromising performance both on the street and at the track. The central hat section is crafted from 6061-T6 aircraft-spec aluminum, while the outer disc is made from Girodisc’s proprietary cast-iron alloy—poured, machined, and finished entirely in-house for precise tolerances and superior strength. A1-170DS Vehicle Fitment Mercedes-Benz S63 AMG (W221, W222) Mercedes-Benz S65 AMG (W221, W222) Mercedes-Benz CL63 AMG (C216) Mercedes-Benz CL65 AMG (C216) A1-170DS Features Direct OEM Replacement: Bolts directly to the factory hubs and calipers—no modifications required. Lightweight Construction: Reduces unsprung and rotational mass for improved handling and quicker acceleration. Curved Vane Cooling: Developed in racing to act as a centrifugal pump, forcing cooling air through the disc for better heat management. Floating Mount System: Twelve high-strength alloy steel drive pins maintain axial and radial float between hat and disc, secured by class 12.9 hardware and anti-noise spring washers for silent operation. Made in the USA: All components are machined and assembled domestically with strict quality control. FAQs – Mercedes S63/65, CL63/65 Front Rotors (Dimpled & Slotted) Are these rotors a direct fit for OEM calipers? Yes, they mount directly to your factory hubs and work perfectly with the stock calipers and pads. Do I need to make any modifications? None at all—this kit is designed as a true bolt-on replacement. Can these rotors be resurfaced? We recommend replacing the iron rings when they reach minimum thickness rather than resurfacing. Are the rotors sold individually or in pairs? All Girodisc rotors are sold and priced per pair. Upgrade your braking system with Girodisc lightweight performance rotors for your Mercedes S63/65 or CL63/65. Experience faster cooling, reduced weight, and race-inspired precision with every stop.

A1-271 Girodisc Chevrolet Camaro SS 1LE (6th Gen) Front Rotors These Girodisc 2-piece front rotors are a direct replacement for the factory Camaro SS 1LE (6th Gen) brake package and also work on base cars equipped with the Chevrolet Performance brake kit. The floating design reduces unsprung and rotational mass while retaining OEM calipers, ABS, and brake bias. Vehicle Fitment Chevrolet Camaro SS 1LE (6th Gen) – Front Chevrolet Camaro (6th Gen) with Chevrolet Performance front brake kit – Front Design & Cooling The central hat is CNC machined from U.S.-sourced 6061-T6 aluminum and anodized for durability. Rings are poured and machined in the USA from proprietary high‑carbon iron and use curved vanes to pull cooling air through the disc during hard use. Features Direct OE replacement; no permanent modifications required 2‑piece floating construction reduces unsprung & rotational mass High‑strength, cadmium‑plated steel drive pins with spring hardware Reusable aluminum hats; ring‑only service when worn Sold/priced per pair