Racing Brake Rotors

Girodisc Porsche 981, 718 Rear Rings Refresh your Porsche’s braking performance with Girodisc D2-035 350mm rear replacement rings. These precision-machined, high-carbon cast iron rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Replace only the wear surface to restore full braking performance while retaining your lightweight Girodisc two-piece system. Vehicle Fitment Compatible with:• Porsche 981 Cayman / Boxster (rear)• Porsche 718 Cayman / Boxster (rear)Note: For Girodisc 350mm two-piece rear rotor systems only. Designed to mate with original Girodisc aluminum hats — not compatible with factory two-piece rotor hats or PCCB systems. Features • Sold as a left/right pair with new floating hardware kit• CNC-machined from high-carbon cast iron for heat capacity and strength• Curved directional vanes maximize cooling and reduce fade• Bolt-on fitment to Girodisc aluminum hats — no modifications required• Balanced and heat-treated for consistent braking feel• Manufactured in Bellingham, WA, USA Specifications • Diameter: 350mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and hardware kit• Sold/priced per pair• MSRP: $780.00 Girodisc D2-035 Porsche 981 / 718 Rear Replacement Ring FAQs Can these be installed with the OEM Porsche hats? No. These are designed exclusively for Girodisc aluminum hats and are not compatible with factory two-piece rotor assemblies. Will these fit PCCB or steel brake systems? Only the Girodisc steel two-piece rotor system — they are not designed for Porsche Ceramic Composite Brakes (PCCB). Are they suitable for track use? Yes. The high-carbon alloy and floating design resist cracking and warping under repeated high-temperature braking on track. How do I know when to replace the rings? Replace them when the rotor surface reaches minimum thickness or shows visible heat checking, per Girodisc wear specifications. Restore confidence in your Porsche 981 or 718 Cayman and Boxster with Girodisc D2-035 350mm rear replacement rings — the perfect blend of precision, performance, and cost-effective service life.

Girodisc Ford GT (2005–2006) Rear Replacement Rings Maintain the legendary braking performance of your Ford GT with Girodisc D2-043 rear replacement rings. These 330mm high-performance rings are designed to bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit, allowing you to refresh the rotor surface without replacing the entire assembly. Each ring is machined from Girodisc’s proprietary high-carbon alloy for exceptional strength, cooling, and thermal stability during spirited or track driving. Vehicle Fitment Compatible with:• Ford GT (2005–2006, rear)Note: For vehicles equipped with Girodisc 330mm two-piece rear rotor systems. Not compatible with OEM or carbon-ceramic rotors. Features • Sold as a left/right pair with new floating hardware kit• Direct replacements for Girodisc 330mm two-piece rear rotors• CNC-machined from high-carbon cast iron for superior heat capacity• Directional curved vanes improve airflow and cooling under load• Maintains OEM brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 330mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and full hardware kit• Sold/priced per pair Girodisc Ford GT Rear Replacement Ring FAQs Can these be installed with factory Ford GT calipers? Yes. The D2-043 rings work perfectly with the stock Brembo calipers when used with Girodisc two-piece rotor hats. How do these compare to OEM rotors? Girodisc rings offer lighter weight, better cooling, and superior heat cycling performance compared to the factory one-piece rotors. Are these suitable for extended track sessions? Absolutely. The floating mount and high-carbon alloy design resist cracking and warping during heavy track use. Do these include hardware? Yes. Each kit includes a full set of new drive pins, bolts, and washers that must be used during installation. Refresh your supercar’s braking performance with Girodisc D2-043 330mm rear replacement rings — precision-engineered for the Ford GT’s balance of power, control, and endurance on both street and track.

Girodisc Mercedes A45, CLA45, GLA45 Rear Replacement Rings Maintain top-tier braking performance in your AMG with Girodisc rear replacement rings for the Mercedes A45, CLA45, and GLA45. These precision-engineered high-carbon iron rings are direct replacements for your existing Girodisc two-piece rotor assemblies, restoring factory fit and race-level stopping confidence. Vehicle Fitment Compatible with:• Mercedes-AMG A45 (All Years)• Mercedes-AMG CLA45 (All Years)• Mercedes-AMG GLA45 (All Years)Note: These are replacement friction rings only, designed to bolt directly to existing Girodisc aluminum hats using the included hardware kit. Performance-Driven Design Each Girodisc ring is crafted from proprietary high-carbon cast iron for exceptional durability, heat control, and resistance to cracking under heavy braking. The directional curved vane design acts as an internal pump to pull air through the disc, reducing brake fade and maintaining consistent pedal feel. Machined and finished entirely in the USA, Girodisc replacement rings ensure long service life and repeatable braking performance for high-output AMG models. Features • Direct replacement for Girodisc rear rotor assemblies on AMG A45, CLA45, and GLA45• Proprietary high-carbon cast iron delivers superior heat dissipation• Directional vane design maximizes airflow and cooling• Includes complete hardware kit for installation• Designed for use with Girodisc aluminum hats only• Made in the USA• Sold/priced per pair Specifications • Application: Rear axle• Vehicles: Mercedes-AMG A45, CLA45, GLA45• Material: High-carbon cast iron• Includes new hardware• Made in the USA• Sold/priced per pair Girodisc D2-044 Replacement Ring FAQs Are these compatible with OEM Mercedes brake hats? No. These rings are designed exclusively for Girodisc aluminum hats and will not fit OEM assemblies. Do these include new hardware? Yes. Every set includes new drive pins, bolts, and washers for proper installation and long-term reliability. Can these be used with performance brake pads? Absolutely. Girodisc rings perform best when paired with high-performance street or track compounds such as Pagid, Ferodo, or Endless. How do these improve braking over stock rotors? The two-piece design reduces unsprung mass and improves heat transfer, giving you better pedal modulation and quicker cooling after repeated hard stops. Equip your AMG A45, CLA45, or GLA45 with Girodisc D2-044 replacement rings for consistent, fade-free braking under the most demanding street or track conditions.

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.

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 Audi R8, Lamborghini Rear Rings Restore the braking precision of your Audi R8 or Lamborghini Gallardo with Girodisc D2-050 rear replacement rings. These 356mm rings are direct-fit replacements for Girodisc two-piece rotors, designed to bolt to your existing aluminum hats using the included floating hardware kit. Replace only the wear surface and maintain your Girodisc hats for a cost-effective, high-performance solution that delivers consistent stopping power on street and track. Vehicle Fitment Compatible with:• Audi R8 (V8 and V10, rear, steel rotor applications)• Lamborghini Gallardo (rear, steel rotor applications)Note: For vehicles equipped with Girodisc 356mm two-piece rear rotor systems. Not compatible with OEM or carbon-ceramic rotors. Features • Sold as a left/right pair with full hardware kit• Direct replacements for Girodisc 356mm two-piece rear rotors• CNC-machined from high-carbon cast iron for superior heat control• Curved directional vanes improve airflow and cooling efficiency• Maintains OEM brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 356mm• 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 D2-050 Rear Replacement Ring FAQs Will these fit the factory Audi R8 or Gallardo rotors? No. These rings are specifically designed for Girodisc two-piece rotor hats and will not fit OEM or carbon-ceramic systems. Do these perform well under track conditions? Yes. The high-carbon alloy and floating design ensure consistent friction, improved cooling, and reduced fade during extended track sessions. Can I mix these with OEM front rotors? It’s not recommended — optimal performance is achieved when running Girodisc rotors at all four corners for balanced heat management and pedal feel. How long do these typically last? Longevity depends on use — typically 20,000+ street miles or several track weekends with proper bedding and pad choice. Upgrade your Audi R8 or Lamborghini Gallardo with Girodisc D2-050 356mm rear replacement rings — engineered for superior heat control, balanced braking, and precision performance worthy of your supercar.

Girodisc Ford S550 Mustang Rear Rings Refresh your Ford Mustang’s braking system with Girodisc D2-067 rear replacement rings. Designed for the 330mm Girodisc two-piece rotor system, these rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Replace only the wear surface for a cost-effective solution that maintains peak braking performance and reduces unsprung weight. Vehicle Fitment Compatible with:• Ford Mustang GT (S550, 2015–2023, rear)• Ford Mustang Bullitt (2019–2020, rear)• Ford Mustang Shelby GT350 / GT350R (rear)Note: For vehicles equipped with Girodisc 330mm two-piece rear rotor systems. Not compatible with OEM one-piece or carbon-ceramic rotors. Features • Sold as a left/right pair with full hardware kit• Direct replacements for Girodisc 330mm two-piece rear rotors• CNC-machined from high-carbon cast iron for strength and thermal control• Directional curved vanes improve airflow and reduce fade• Maintains OEM brake balance and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 330mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and new hardware kit• Sold/priced per pair• MSRP: $530.00 Girodisc D2-067 Mustang Rear Replacement Ring FAQs Do these fit the factory Mustang brake setup? No. These are designed exclusively for Girodisc two-piece rotor systems and will not fit factory one-piece rotors. Are these compatible with performance brake pads? Yes. They work with all major pad brands including Hawk, Ferodo, and G-LOC for both street and track use. Can I install these with basic hand tools? Yes. If you already have Girodisc two-piece rotors, installation is straightforward with standard tools and a torque wrench. How do these perform compared to OEM rotors? The Girodisc system offers improved cooling, lighter weight, and consistent pedal feel during repeated heavy braking. Upgrade your Mustang’s braking performance with Girodisc D2-067 330mm rear replacement rings — engineered for superior heat control, strength, and confidence on both road and track.

Girodisc Alfa Romeo 4C Rear Rings Restore the razor-sharp braking feel of your Alfa Romeo 4C with Girodisc D2-078 rear replacement rings. Designed as direct replacements for Girodisc two-piece rotors, these 305mm rings bolt to your existing Girodisc aluminum hats using the included floating hardware kit. Refresh the wear surface without replacing the full rotor assembly, maintaining performance and reducing long-term maintenance costs. Vehicle Fitment Compatible with:• Alfa Romeo 4C Coupe (rear)• Alfa Romeo 4C Spider (rear)Note: For vehicles equipped with Girodisc 305mm two-piece rear rotor systems. Not compatible with OEM or carbon-ceramic rotors. Features • Sold as a left/right pair with new floating hardware kit• Direct replacements for Girodisc 305mm two-piece rear rotors• CNC-machined from proprietary high-carbon cast iron• Directional curved vanes enhance airflow and reduce heat buildup• Maintains factory brake balance and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 305mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and hardware kit• Sold/priced per pair• MSRP: $630.00 Girodisc D2-078 Alfa Romeo 4C Rear Replacement Ring FAQs Are these compatible with the OEM Alfa Romeo 4C brake setup? No. These are designed only for Girodisc two-piece rotor hats and will not fit factory one-piece rotors. Will these work with upgraded street or track pads? Yes. They’re compatible with all major pad brands including Ferodo, Pagid, and Hawk for both street and track driving. Do these require any modifications for installation? None. They bolt directly to your existing Girodisc aluminum hats using the included floating hardware. What’s the benefit of Girodisc over the OEM steel rotors? Girodisc’s two-piece floating design reduces unsprung weight, improves cooling, and maintains consistent braking under high temperatures. Enhance your Alfa Romeo 4C’s braking system with Girodisc D2-078 305mm rear replacement rings — precision-engineered for lightweight performance, cooling efficiency, and track-ready reliability.

Girodisc Ford S197 Mustang Rear Rings Refresh your Mustang’s braking system with Girodisc D2-081 rear replacement rings. Designed for the 328mm Girodisc two-piece rotor setup, these direct-fit rings bolt onto your existing Girodisc aluminum hats using the included floating hardware kit. Replace only the wear surface to maintain lightweight performance and save on long-term maintenance costs. Vehicle Fitment Compatible with:• Ford Mustang GT (S197, 2005–2014, rear)• Ford Mustang Boss 302 (2012–2013, rear)• Ford Mustang Shelby GT500 (2007–2014, rear)Note: For use with Girodisc 328mm two-piece rear rotor systems only. Not compatible with OEM one-piece or carbon-ceramic rotors. Features • Sold as a left/right pair and includes full hardware kit• Direct replacements for Girodisc 328mm two-piece rear rotors• CNC-machined from proprietary high-carbon cast iron• Curved directional vanes enhance airflow and reduce fade• Maintains OEM brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 328mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and full hardware kit• Sold/priced per pair Girodisc D2-081 Mustang Rear Replacement Ring FAQs Can I use these with factory Ford rotors or hats? No. The D2-081 rings are designed exclusively for Girodisc two-piece rotor systems and won’t fit OEM rotors or hats. Are these compatible with street and track pads? Yes. They work with all major pad brands, including Hawk, Ferodo, and G-LOC, for both street and track applications. How often should I replace Girodisc rings? Replacement frequency depends on driving style — typically every 3–5 track weekends or 20,000–30,000 street miles under spirited use. Do I need special torque specs when installing? Yes. Always follow Girodisc’s torque and Loctite specs for the included hardware to ensure proper float and long-term reliability. Upgrade your Ford Mustang’s braking performance with Girodisc D2-081 328mm rear replacement rings — engineered for strength, cooling, and consistent pedal feel on both the street and the track.

Ford S197 Mustang GT500 ('13–'14) Rear Replacement Rings Refresh the stopping power on your 2013–2014 Shelby GT500 with Girodisc Rear Replacement Rings. These direct-fit rings let you reuse your existing Girodisc aluminum hats, restoring like-new braking performance while keeping costs and downtime low. Each pair arrives with new hardware and clear instructions for a clean swap. Engineered to run hard and cool Girodisc rings are machined in the USA from proprietary cast iron and use a race-developed curved vane design that pumps cooling air through the disc. The result is consistent pedal feel and fade resistance whether you’re carving back roads or running open-track sessions. Features Sold as a pair; includes new replacement hardware Direct replacement for existing Girodisc two-piece rear rotors Reuse your Girodisc aluminum hats to save money and time Proprietary U.S.-poured cast iron for durability and heat control Curved vane internal design promotes efficient cooling Precision machined and finished in the USA Vehicle Fitment 2013–2014 Ford Mustang Shelby GT500 (S197 chassis) equipped with Girodisc two-piece rear rotors Ford S197 Mustang GT500 ('13–'14) Rear Replacement Rings FAQs: Do these fit OEM or other brands’ two-piece rotors? These rings are designed only for Girodisc hats and will not fit OEM two-piece systems or other aftermarket brands unless specifically noted. What’s included in the box? Two replacement rings with new hardware and installation instructions. You’ll reuse your existing Girodisc aluminum hats. When should I replace my rings? Replace when the rotor reaches minimum thickness or if you see heat checking, cracks, or other signs of distress during inspection. Do I need to replace both sides at once? Yes, replacing rings in pairs keeps braking performance balanced side-to-side. Can I install these at home? Experienced DIYers can perform the swap, but professional installation is recommended to ensure correct fastener torque and safety. Do I need new pads? It’s a good time to inspect pads; switching to a compound matched for iron rotors can optimize bite and wear.

Girodisc Audi B7 RS4 Rear Rings Refresh your Audi B7 RS4’s braking system with Girodisc D2-100 324mm rear replacement rings. These direct-fit rings are engineered to bolt directly onto your existing Girodisc aluminum hats, allowing you to replace only the wear surface instead of the full rotor assembly. Each kit includes both left and right rings along with all new floating hardware for an easy, complete installation. Vehicle Fitment Compatible with:• Audi B7 RS4 (2007–2008, rear)Note: Designed for Girodisc 324mm two-piece rear rotor systems. Not compatible with OEM or carbon-ceramic rotors. Features • Sold as a left/right pair with new floating hardware kit• Direct replacements for Girodisc 324mm two-piece rear rotors• High-carbon cast iron construction improves heat management and durability• Curved directional vanes enhance airflow and reduce fade• Maintains OEM brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 324mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and hardware kit• Sold/priced per pair Girodisc D2-100 Audi RS4 Rear Replacement Ring FAQs Do these rings work with the factory Audi RS4 brake pads? Yes, the Girodisc D2-100 rings are fully compatible with factory RS4 pad compounds as well as popular track options from Pagid, Ferodo, and Hawk. How should I bed the new Girodisc rings after installation? Perform 8–10 moderate stops from 60 mph to 10 mph, allowing the brakes to cool between runs. This evenly transfers pad material and prevents uneven deposits. Are these rings suitable for track use? Absolutely. The high-carbon alloy and floating design provide consistent performance under repeated high-temperature braking. Can these rotors be resurfaced or turned? No. Due to the directional vane design and strict tolerances, resurfacing is not recommended — replacement rings are the correct service method. Upgrade your Audi B7 RS4 braking system with Girodisc D2-100 324mm rear replacement rings — precision-engineered for cooling, durability, and consistent braking performance on street or track.

Girodisc Ferrari F430 Challenge Rear Replacement Rings Maintain the precision braking performance of your Ferrari F430 Challenge with Girodisc rear replacement rings. These high-carbon iron friction rings are direct replacements for your existing Girodisc two-piece rotor assemblies, designed to restore original stopping power and fade resistance for both track and competition use. Vehicle Fitment Compatible with:• Ferrari F430 ChallengeNote: These are replacement friction rings only. They mount directly to existing Girodisc aluminum hats using the included hardware kit. Track-Proven Durability The Girodisc D2-102 rings are precision-machined from a proprietary high-carbon iron alloy, offering improved heat dissipation, stable coefficient of friction, and excellent crack resistance under repeated hard braking. The curved vane design acts as a centrifugal air pump, keeping your brakes cooler and more consistent during extended lapping or endurance events. Manufactured and balanced in the USA, Girodisc replacement rings ensure long-term performance and serviceability for your F430 Challenge. Features • Direct replacement for Girodisc rear rotor assemblies• High-carbon cast iron ensures consistent performance under heat• Curved vane internal design promotes efficient cooling• Includes complete hardware kit for reassembly• Designed for Girodisc aluminum hats only• Machined and finished in the USA• Sold/priced per pair Specifications • Application: Rear axle• Vehicle: Ferrari F430 Challenge• Material: High-carbon cast iron• Includes new hardware• Made in the USA• Sold/priced per pair Girodisc D2-102 Replacement Ring FAQs Are these compatible with the standard Ferrari F430? No. These replacement rings are engineered for the F430 Challenge application and are not compatible with standard F430 street car brake systems. Do these rings include new hardware? Yes, each set includes new drive pins, washers, and fasteners required for proper assembly to your existing Girodisc hats. Do I need to replace the aluminum hats? Not unless they are damaged or worn. The Girodisc two-piece design allows the hats to be reused with new rings, reducing long-term maintenance cost. Can these be used for endurance racing? Absolutely. Girodisc components are designed for demanding track environments and offer proven reliability in high-temperature racing conditions. Restore factory-level braking precision to your Ferrari F430 Challenge with Girodisc D2-102 rear replacement rings — precision-crafted for performance, consistency, and long-term serviceability.

D2-102 Girodisc Rear Replacement Rotor Rings (Discontinued Rotor Design) Discontinued Rotor Design, Final Sale, No Returns or Excahanges FITS: FERRARI 430 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.

Girodisc Porsche 993 Rear Rings Restore your Porsche 993’s braking performance with Girodisc D2-103 rear replacement rings. These precision-engineered 322mm rings are designed to bolt directly onto your existing Girodisc aluminum hats, providing a cost-effective refresh of your two-piece rotor system. Each set includes both left and right rings plus all necessary new floating hardware for a secure, factory-quality installation. Vehicle Fitment Compatible with:• Porsche 993 Carrera / Carrera S• Porsche 993 Turbo• Porsche 993 Carrera 4 / 4SNote: For use with Girodisc 322mm two-piece rear rotor systems. Not compatible with OEM or carbon-ceramic rotors. Features • Sold as a left/right pair and includes new floating hardware kit• Direct replacements for Girodisc 322mm two-piece rear rotors• CNC-machined from proprietary high-carbon cast iron• Curved directional vanes improve cooling and reduce fade• Maintains OEM brake balance and ABS function• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 322mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and complete hardware kit• Sold/priced per pair Girodisc D2-103 Replacement Ring FAQs Will these fit factory Porsche rotors? No. These are designed specifically for Girodisc two-piece rotor systems and will not bolt to factory or PCCB rotors. Are both sides included? Yes. Each D2-103 kit includes both left and right replacement rings with all new hardware. Why replace only the rings? Replacing just the rings allows you to reuse your Girodisc hats, saving cost and maintaining peak braking performance. Do I need to install the new hardware? Yes. Always use the supplied new hardware for proper torque, safety, and fitment accuracy. Upgrade your Porsche 993 braking system with Girodisc D2-103 rear replacement rings — precision-built for cooling, strength, and consistent braking performance on both road and track.

Girodisc Ferrari 360 CS, F430, Scuderia Rear Replacement Rings The Girodisc D2-110 rear replacement rings are precision-engineered for Ferrari 360 Challenge Stradale, F430, and F430 Scuderia models equipped with Girodisc two-piece rotors. These 330mm rings bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit, allowing you to replace only the wear surface while retaining your high-quality Girodisc hats. Designed for performance and durability, they restore braking confidence on both street and track. Vehicle Fitment Compatible with:• Ferrari 360 Challenge Stradale (rear)• Ferrari F430 (rear)• Ferrari F430 Scuderia (rear)Note: For vehicles equipped with Girodisc 330mm two-piece rear rotor systems. Not compatible with OEM carbon-ceramic or steel rotors. Features • Sold as a left/right pair and includes new floating hardware kit• Direct replacements for Girodisc 330mm two-piece rear rotors• High-carbon cast iron construction for excellent thermal stability• Curved directional vanes enhance cooling and reduce fade• Maintains OEM brake bias and ABS function• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 330mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and full hardware kit• Sold/priced per pair Girodisc D2-110 Replacement Ring FAQs Will these fit OEM Ferrari rotors? No. These are designed specifically for Girodisc two-piece rotor systems and will not bolt to factory rotor assemblies. Are both sides included? Yes. The D2-110 kit includes both left and right replacement rings along with a complete hardware kit. Why replace just the rings instead of the full rotor? Replacing only the rings saves cost, preserves your Girodisc hats, and maintains balanced braking performance. Do I need to install the new hardware? Yes. Always use the supplied new hardware to ensure correct fitment, torque, and long-term reliability. Upgrade your Ferrari’s braking system with Girodisc D2-110 rear replacement rings — engineered for precision, cooling, and fade-free performance worthy of the 360 CS, F430, and Scuderia.

D1-111 Girodisc Rear Replacement Rotor Rings FITS: FERRARI 458 ITALIA and 488 GTB 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 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 their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from heavy braking 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.