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GiroDisc Racing Brakes & Technologies D2-187 Girodisc Audi 356mm Rear Replacement Rings $880.00

Audi 356mm Rear Replacement Rings Keep your braking system in top condition with Girodisc 356mm Rear Replacement Rings for Audi models. These rings are precision-engineered as direct replacements for existing Girodisc two-piece rotors, allowing you to restore full braking performance while reusing your aluminum hats. Each pair comes complete with new hardware, making maintenance straightforward and cost-effective. Precision Replacement, Race-Proven Quality Manufactured from Girodisc’s proprietary cast iron and machined entirely in the USA, these replacement rings deliver the same performance and reliability as your original Girodisc rotors. The curved vane internal design promotes superior cooling, reducing fade and maintaining consistent performance even under high stress. Simply bolt on the new rings using your existing Girodisc hats to regain optimal stopping power. Features Direct replacement for Girodisc two-piece rear rotors Sold in pairs and includes replacement hardware Machined from proprietary U.S.-poured cast iron for maximum durability Curved vane design ensures efficient cooling and heat dissipation Lightweight two-piece configuration reduces unsprung mass 100% made and assembled in the USA Vehicle Fitment Audi models equipped with Girodisc 356mm two-piece rear rotors Check your existing Girodisc hat part number for compatibility Audi 356mm Rear Replacement Rings FAQs: Do these rings fit OEM or factory two-piece rotors? No. Girodisc replacement rings are designed exclusively for use with Girodisc hats and are not compatible with OEM two-piece rotor systems or other brands. What is included in the kit? Each pair of replacement rings includes new hardware and instructions for installation. Your existing Girodisc aluminum hats are reused. Can I install the rings myself? Installation can be performed by experienced DIYers, but Girodisc recommends professional installation to ensure proper torque and safety. When should I replace my rings? Replace when the minimum rotor thickness is reached or if there is visible cracking, warping, or heat checking. Are these made in the USA? Yes, Girodisc rings are fully manufactured and machined in the United States using proprietary materials and processes. Restore your Audi’s track-ready braking performance with Girodisc 356mm Rear Replacement Rings — the perfect balance of precision, cooling, and lightweight design.

GiroDisc Racing Brakes & Technologies D2-204 Girodisc Kia Stinger GT, Genesis G70 Rear Replacement Rings $680.00

Girodisc Kia Stinger GT, Genesis G70 Rear Replacement Rings Maintain the exceptional braking performance of your Kia Stinger GT or Genesis G70 with Girodisc D2-204 rear replacement rings. These 350mm rotor rings are precision-engineered to restore stopping power, reduce fade, and ensure consistent braking performance under both spirited street driving and track-day conditions. Vehicle Fitment Compatible with:• 2018–2025 Kia Stinger GT (3.3T models with Brembo brakes)• 2019–2025 Genesis G70 (3.3T models with performance brake package)Note: These are friction rings only. They are designed to bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit. Engineered for Precision, Performance, and Longevity Each Girodisc ring is crafted from a proprietary high-carbon iron alloy, cast and machined entirely in the USA. The curved directional vanes act as centrifugal pumps, channeling cooling air through the disc to control temperatures during heavy braking. Whether you’re daily driving or lapping at the circuit, Girodisc replacement rings deliver quiet operation, reduced wear, and consistent braking confidence. Features • Direct replacements for Girodisc 350mm rear rotors• Compatible with Kia Stinger GT and Genesis G70 3.3T models• Proprietary high-carbon iron for superior thermal stability• Curved directional vanes enhance airflow and cooling• Fully machined, balanced, and finished in the USA• Includes new floating hardware kit• Sold/priced per pair Specifications • Diameter: 350mm• Position: Rear• Material: High-carbon cast iron• Includes: Two rotor rings and complete hardware kit• Made in the USA• Sold/priced per pair Girodisc D2-204 Replacement Ring FAQs Do these fit factory rotors? No. These rings are designed only for Girodisc two-piece rotor assemblies and will not fit OEM Kia or Genesis rotors. Are these suitable for track use? Yes. Girodisc replacement rings are engineered for both street and motorsport applications, providing stable performance at high temperatures. Do they include all necessary hardware? Yes. Every set comes with new floating drive pins, washers, and bolts for reassembly. When should I replace the rings? Replace when the rotors reach minimum thickness or show cracks extending to the outer edge. Keep your high-performance Kia or Genesis braking sharp and consistent with Girodisc D2-204 rear replacement rings — proudly made in the USA for drivers who demand precision and reliability.

GiroDisc Racing Brakes & Technologies D2-206 Girodisc Rear Replacement Rotor Rings | 720S & 600LT $1,050.00

Girodisc McLaren 390mm Rear Replacement Rings These Girodisc D2-206 rear replacement rings are sold as rings only and include replacement hardware. They are engineered to be used with existing Girodisc aluminum hats and are not compatible with OEM or other aftermarket hats. D2-206 Vehicle Fitment McLaren 600LT McLaren 720S Serviceable Two-Piece Design Rings are machined from proprietary high-carbon iron for durability and heat resistance. The 48 curved vane design acts as a centrifugal pump to draw air through the hub, improving cooling under sustained braking. Reusing your Girodisc hats helps control long-term running costs. Features Replacement rings only; reuse Girodisc hats Includes replacement hardware High-carbon iron rings for reliable performance 48 curved vanes for effective cooling Direct fit for Girodisc A2-206 rear rotor kits Girodisc McLaren 390mm Rear Replacement Rings FAQs: Do these include hats? No, these are rings only and require Girodisc hats. Are they sold as a pair? Yes, rings are sold in pairs with hardware. Can I use factory hats? No, these rings are only for Girodisc hats. What kit do these pair with? They are the replacement rings for A2-206 rear rotor kits.

GiroDisc Racing Brakes & Technologies D2-207 Girodisc Mercedes 358mm Rear Replacement Rotor Rings $900.00

Girodisc Mercedes 358mm Rear Rotor Rings The Girodisc D2-207 Rear Replacement Rotor Rings are designed as precision replacements for Girodisc two-piece rear rotors on Mercedes AMG models utilizing 358mm rear brake discs. Engineered to restore performance and maintain the same exceptional cooling efficiency and balance as your original Girodisc rotors, these rings deliver race-level performance for street or track use. Precision-Machined Performance for Mercedes AMG Each Girodisc D2-207 replacement ring is cast and machined entirely in the USA from Girodisc’s proprietary iron alloy for optimal strength, durability, and heat management. The internal curved vane design acts as a centrifugal air pump, drawing cooling air through the rotor to minimize fade and distortion during heavy braking. These rings bolt directly to your existing Girodisc aluminum hats and include all necessary hardware for installation. Features • Size: 358mm diameter• Direct replacement for Girodisc Mercedes AMG rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for enhanced cooling• Includes full hardware kit for installation• Reuses Girodisc aluminum hats• Maintains factory brake bias and ABS functionality• Sold/priced per pair• Not compatible with OEM or non-Girodisc hats Vehicle Fitment • Mercedes AMG models equipped with 358mm rear Girodisc rotors• Commonly fits AMG C63, E63, and S-Class variants (verify rotor size)• Designed exclusively for Girodisc two-piece rotor systems• Will not fit OEM two-piece rotors or other aftermarket hats Girodisc D2-207 Mercedes Rotor Rings FAQs Can I reuse my existing Girodisc hats? Yes. These rings are designed to bolt directly to your Girodisc aluminum hats using the supplied hardware. Are these compatible with OEM or other aftermarket rotors? No. Girodisc replacement rings only fit Girodisc two-piece rotor systems and are not compatible with OEM components. What’s included in the package? Two 358mm iron rotor rings (left and right) and a full hardware kit for assembly. Are these rotors directional? Yes. Each rotor features directional curved vanes for proper cooling airflow. Make sure to install the correct left and right rings accordingly. How do these compare to OEM rotors? Girodisc rotors offer reduced weight, superior heat dissipation, and better long-term consistency under repeated heavy braking compared to factory one-piece discs. Are they sold as a set? Yes. The Girodisc D2-207 Mercedes 358mm Rear Replacement Rotor Rings are sold and priced per pair, complete with hardware. Keep your AMG braking system operating at peak performance with Girodisc D2-207 Rear Replacement Rotor Rings—crafted in the USA for superior thermal control, endurance, and precise fitment on high-performance Mercedes vehicles.

GiroDisc Racing Brakes & Technologies D2-209 Girodisc Alfa Romeo Rear Replacement Rotor Rings $900.00

Girodisc D2-209 Alfa Romeo Giulia / Stelvio QV (CCM) Rear Replacement Rotor Rings The Girodisc D2-209 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors on Alfa Romeo Giulia and Stelvio Quadrifoglio models equipped with factory Carbon Ceramic (CCM) brakes. These high-performance iron rings convert your carbon ceramic setup to an iron-based Girodisc system, offering superior durability, serviceability, and consistent performance for both street and track use. Precision Conversion for CCM-Equipped Quadrifoglio Models Each Girodisc D2-209 ring is machined in the USA from Girodisc’s proprietary cast iron alloy, providing exceptional thermal stability and balanced friction. The internal curved vane design acts as a centrifugal air pump, drawing cooling air through the rotor to prevent fade and maintain braking consistency. Sold as a pair and supplied with new hardware, these rings are a direct bolt-on fit to your existing Girodisc aluminum hats. Features • Direct replacement for Girodisc Alfa Romeo Giulia and Stelvio QV (CCM) rear rotors• Converts carbon ceramic rotors to iron for enhanced durability• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for optimized cooling• Includes full hardware kit for installation• Reuses Girodisc aluminum hats• Sold/priced per pair• Not compatible with OEM or non-Girodisc hats Vehicle Fitment • Alfa Romeo Giulia Quadrifoglio (CCM-equipped) – Rear• Alfa Romeo Stelvio Quadrifoglio (CCM-equipped) – Rear• Designed for Girodisc two-piece rotor systems• Will not fit OEM or other aftermarket two-piece systems Girodisc D2-209 Rear Replacement Rotor Rings FAQs Can I reuse my Girodisc aluminum hats? Yes. These replacement rings are designed to bolt directly to your Girodisc aluminum hats using the supplied hardware kit. Do these fit OEM carbon ceramic rotors? No. Girodisc rings are designed specifically for Girodisc two-piece systems and will not fit factory CCM hats. What’s included in the package? Two iron rotor rings (left and right) and a complete set of new drive pins, washers, and fasteners. Are these rotors directional? Yes. Each ring has directional curved vanes for optimal airflow—ensure proper orientation when installing. Why convert from CCM to Girodisc iron rotors? Iron rotors offer better heat dissipation, easier servicing, and significantly lower replacement costs while maintaining strong braking performance. Are they sold as a pair? Yes. The Girodisc D2-209 Alfa Romeo Giulia / Stelvio QV Rear Replacement Rotor Rings are sold and priced per pair and include all required mounting hardware. Upgrade your Quadrifoglio’s CCM braking system with Girodisc D2-209 Rear Replacement Rotor Rings—engineered for maximum durability, cooling efficiency, and repeatable performance on both road and track.

GiroDisc Racing Brakes & Technologies D2-211 Girodisc Chevrolet Camaro SS / ZL1 Rear Replacement Rotor Rings $780.00

Girodisc D2-211 Chevrolet Camaro SS / ZL1 Rear Replacement Rotor Rings The Girodisc D2-211 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors fitted to the Chevrolet Camaro SS and ZL1. These high-performance iron rings are designed to restore your braking system’s cooling efficiency and stopping consistency under street or track conditions. Engineered for High-Performance Camaro Applications Manufactured in the USA, each Girodisc D2-211 ring is cast from Girodisc’s proprietary iron alloy for superior durability, temperature control, and friction stability. The curved vane design functions as a centrifugal air pump, efficiently directing cooling air through the disc to reduce fade during heavy braking. Supplied as a pair with all-new hardware, these rings mount directly to your existing Girodisc aluminum hats for a perfect fit. Features • Direct replacement for Girodisc Chevrolet Camaro SS / ZL1 rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for improved cooling• Includes complete hardware kit for installation• Reuses Girodisc aluminum hats• Optimized for strength, heat capacity, and weight balance• Sold/priced per pair• Not compatible with OEM or other aftermarket hats Vehicle Fitment • Chevrolet Camaro SS (All Years) – Rear• Chevrolet Camaro ZL1 (All Years) – Rear• Designed for Girodisc two-piece rotor systems• Will not fit OEM or non-Girodisc 2-piece rotors Girodisc D2-211 Chevrolet Camaro SS / ZL1 Rear Replacement Rotor Rings FAQs Can I reuse my existing Girodisc hats? Yes. These rings are designed to bolt directly to your Girodisc aluminum hats using the included hardware. Are these compatible with OEM or factory rotors? No. Girodisc replacement rings only fit Girodisc two-piece systems and will not fit OEM or other aftermarket hats. What’s included in the kit? Two iron rotor rings (left and right) and a complete hardware kit for easy installation. Are these rotors directional? Yes. Each ring has directional curved vanes—ensure proper left/right installation for maximum airflow and cooling performance. How do these perform compared to OEM rotors? Girodisc rotors run cooler, resist warping, and reduce unsprung weight, improving both braking consistency and suspension response. Are they sold as a set? Yes. The Girodisc D2-211 Chevrolet Camaro SS / ZL1 Rear Replacement Rotor Rings are sold and priced per pair, complete with hardware. Maintain top-tier braking performance and reliability with Girodisc D2-211 Rear Replacement Rotor Rings—crafted in the USA for your Chevrolet Camaro SS or ZL1 to deliver consistent, track-proven stopping power and long-term durability.

GiroDisc Racing Brakes & Technologies D2-217 Girodisc Hyundai N 314mm Rear Replacement Rotor Rings $680.00

Girodisc Hyundai N 314mm Rear Replacement Rotor Rings The Girodisc D2-217 Rear Replacement Rotor Rings are precision-built replacements for Girodisc two-piece rear rotors on Hyundai’s high-performance N models, including the Veloster N, Elantra N, Kona N, and i30 N. These 314mm iron rings are designed to restore braking performance, cooling efficiency, and reliability while maintaining the lightweight and serviceable design of your Girodisc system. Precision Replacement for Hyundai N Performance Applications Each Girodisc D2-217 replacement ring is manufactured in the USA from Girodisc’s proprietary cast iron alloy, optimized for heat resistance, durability, and consistent braking feel. The curved vane internal design acts as a centrifugal air pump, pulling cooling air through the rotor to reduce fade and warping during aggressive driving or track use. Sold as a matched pair, the kit includes all new hardware and installs directly onto your existing Girodisc aluminum hats. Features • Size: 314mm x 20mm (D2-217 configuration)• Direct replacement rings for Girodisc Hyundai N rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for superior cooling• Includes full hardware kit for installation• Reuses Girodisc aluminum hats• Maintains OEM brake bias and ABS calibration• Sold/priced per pair• Not compatible with OEM or other aftermarket hats Vehicle Fitment • Hyundai Veloster N – Rear• Hyundai Elantra N – Rear• Hyundai Kona N – Rear• Hyundai i30 N – Rear• Designed for Girodisc two-piece rotor systems• Will not fit OEM or non-Girodisc hats Girodisc D2-217 Rear Replacement Rotor Rings FAQs Can I reuse my existing Girodisc aluminum hats? Yes. These replacement rings bolt directly to your Girodisc aluminum hats using the supplied hardware. Are these compatible with OEM rotors? No. Girodisc replacement rings are designed exclusively for Girodisc two-piece rotor systems and will not fit OEM or other aftermarket hats. What’s included in the kit? Two iron rotor rings (left and right) and a full hardware set for reassembly, including bolts, washers, and drive pins. Are the rotors directional? Yes. Each rotor features directional curved vanes to ensure optimal cooling and airflow during rotation—install the left and right rings accordingly. Do these improve performance over OEM rotors? Absolutely. Girodisc systems reduce unsprung weight, improve heat dissipation, and deliver more consistent braking response compared to factory rotors. Are they sold individually or as a pair? The Girodisc D2-217 Hyundai N 314mm Rear Replacement Rotor Rings are sold and priced per pair and include all necessary hardware for installation. Maintain your Hyundai N’s braking performance with Girodisc D2-217 Rear Replacement Rotor Rings—engineered in the USA for superior cooling, endurance, and precision stopping power lap after lap.

GiroDisc Racing Brakes & Technologies D2-220 Girodisc BMW F8X 380mm Rear Replacement Rotor Rings $880.00

Girodisc BMW F8X 380mm Rear Rotor Rings The Girodisc D2-220 Rear Replacement Rotor Rings are designed as direct replacements for Girodisc two-piece rear rotors used on the BMW F8X platform, including the M2, M3, and M4. These 380mm iron rings restore full braking performance and cooling efficiency, maintaining the same lightweight, high-performance design as your existing Girodisc setup. Restore Track-Level Performance Each Girodisc D2-220 replacement ring is manufactured in the USA from Girodisc’s proprietary cast iron alloy, chosen for its exceptional thermal stability and consistent friction characteristics. The curved vane internal geometry acts as a centrifugal air pump, drawing cooling air through the rotor to reduce fade and distortion. Sold as a pair, the rings come with a complete new hardware kit and are ready to bolt directly to your Girodisc aluminum hats. Features • Size: 380mm x 30mm• Direct replacement for Girodisc BMW F8X M2 / M3 / M4 rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane design for optimal cooling and airflow• Includes full hardware kit for installation• Reuses Girodisc aluminum hats• Maintains factory ABS and brake balance• Sold/priced per pair• Not compatible with OEM or other aftermarket hats Vehicle Fitment • BMW F80 M3 (All Years) – Rear• BMW F82 / F83 M4 (All Years) – Rear• BMW F87 M2 / M2 Competition / M2 CS – Rear• Compatible with vehicles equipped with Girodisc two-piece rotor systems• Will not fit OEM or non-Girodisc hats Girodisc D2-220 BMW F8X 380mm Rear Replacement Rotor Rings FAQs Can I reuse my existing Girodisc hats? Yes. These replacement rings are designed to bolt directly onto your Girodisc aluminum hats with the supplied hardware. Are these compatible with OEM or other brands? No. Girodisc replacement rings are engineered exclusively for Girodisc systems and are not compatible with OEM or other aftermarket hats. What’s included in the kit? Two iron rotor rings (left and right) and a full hardware kit with drive pins, washers, and bolts. Are the rotors directional? Yes. Each ring features directional curved vanes to ensure proper airflow and cooling efficiency—make sure to install left and right rotors correctly. Do these perform better than OEM rotors? Yes. Girodisc rotors provide improved cooling, reduced weight, and consistent braking response under repeated heavy use compared to factory one-piece rotors. Are they sold as a pair? Yes. The Girodisc D2-220 BMW F8X 380mm Rear Replacement Rotor Rings are sold and priced per pair, complete with all necessary installation hardware. Keep your BMW M2, M3, or M4 braking system performing at its best with Girodisc D2-220 Rear Replacement Rotor Rings—precision-crafted for superior cooling, endurance, and race-ready stopping power.

GiroDisc Racing Brakes & Technologies D2-224 Girodisc Alfa Romeo / Maserati Rear Replacement Rotor Rings $1,000.00

Girodisc D2-224 Alfa Romeo / Maserati Rear Replacement Rotor Rings The Girodisc D2-224 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors used on Alfa Romeo Quadrifoglio and Maserati applications. Manufactured to exacting standards, these rings restore your braking system’s performance and cooling efficiency while maintaining the fit and balance of your Girodisc setup. Precision-Machined for Performance and Durability Each Girodisc D2-224 rotor ring is cast in the USA using Girodisc’s proprietary iron alloy for maximum strength and heat resistance. The curved vane internal geometry functions as a centrifugal air pump, drawing cooling air through the disc to reduce fade and thermal stress. Sold in pairs, the rings include new hardware and are designed to bolt directly to your existing Girodisc aluminum hats for an easy installation. Features • Direct replacement for Girodisc Alfa Romeo and Maserati rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane design improves cooling and fade resistance• Includes complete hardware kit for installation• Reuses existing Girodisc aluminum hats• Maintains OEM fitment and brake balance• Sold/priced per pair• Not compatible with OEM or other aftermarket hats Vehicle Fitment • Alfa Romeo Giulia Quadrifoglio – Rear• Alfa Romeo Stelvio Quadrifoglio – Rear• Maserati Ghibli / Quattroporte / Levante (select trims) – Rear• Designed for Girodisc two-piece rotor systems• Will not fit OEM or non-Girodisc hats Girodisc D2-224 Alfa Romeo / Maserati Rear Replacement Rotor Rings FAQs Can I reuse my Girodisc aluminum hats? Yes. These rings are designed to bolt directly to your Girodisc hats using the included hardware. Are these compatible with OEM or other brands? No. Girodisc replacement rings are engineered specifically for Girodisc systems and will not fit OEM or other aftermarket hats. What’s included in the kit? Two iron rotor rings (left and right) and all new hardware for reassembly. Are the rotors directional? Yes. Each ring is labeled for left and right installation, ensuring proper airflow and cooling efficiency. What materials are used? Girodisc’s proprietary cast iron alloy provides consistent friction, high heat capacity, and excellent durability for both street and track use. Are they sold individually or as a pair? The Girodisc D2-224 Alfa Romeo / Maserati Rear Replacement Rotor Rings are sold and priced as a matched pair, complete with hardware. Keep your braking system performing like new with Girodisc D2-224 Rear Replacement Rotor Rings—precision-crafted in the USA for Alfa Romeo and Maserati performance vehicles demanding exceptional cooling, control, and longevity.

GiroDisc Racing Brakes & Technologies D2-228 Girodisc Lamborghini Rear Replacement Rotor Rings $1,000.00

Girodisc D2-228 Lamborghini Huracán Super Trofeo Rear Replacement Rotor Rings The Girodisc D2-228 Rear Replacement Rotor Rings are designed as direct replacements for Girodisc two-piece rear rotors fitted to the Lamborghini Huracán Super Trofeo. Developed to handle the intense demands of GT competition, these rotor rings deliver exceptional cooling, strength, and consistency under the most punishing braking conditions. Race-Proven Design for the Huracán Super Trofeo Each Girodisc D2-228 ring is precision-machined from Girodisc’s proprietary cast iron alloy, poured and finished entirely in the USA. The curved vane internal structure acts as a centrifugal air pump, pulling cool air through the rotor to maintain stable temperatures and reduce fade during long stints. Sold as a pair and supplied with new hardware, these replacement rings bolt directly to your existing Girodisc aluminum hats for an exact OEM-quality fit. Features • Direct replacement for Girodisc Lamborghini Huracán Super Trofeo rear rotors• Manufactured from Girodisc proprietary cast iron alloy in the USA• Curved vane internal geometry improves airflow and cooling• Includes full hardware kit for easy installation• Reuses Girodisc aluminum hats• Optimized for race-level durability and consistency• Sold/priced per pair• Not compatible with OEM or non-Girodisc hats Vehicle Fitment • Lamborghini Huracán Super Trofeo (All model years) – Rear• Fits Girodisc two-piece rotor systems• Will not fit OEM or other aftermarket 2-piece rotors Girodisc D2-228 Lamborghini Huracán Super Trofeo Rear Replacement Rotor Rings FAQs Can I reuse my existing Girodisc hats? Yes. These replacement rings bolt directly onto your Girodisc aluminum hats using the supplied hardware. Are these compatible with OEM or factory 2-piece rotors? No. Girodisc rings are engineered exclusively for Girodisc systems and will not fit OEM or other aftermarket hats. What is included in the kit? Two replacement iron rotor rings (left and right) and a complete hardware set for installation. Are these rotors directional? Yes. Each rotor features directional curved vanes for efficient heat evacuation and cooling. Do they perform better than OEM? Yes. Girodisc rotors are lighter, run cooler, and maintain consistent braking under repeated heavy loads compared to OEM components. Are they sold as a set? Yes. The Girodisc D2-228 Lamborghini Huracán Super Trofeo Rear Replacement Rotor Rings are sold as a matched pair and include all required hardware. Maintain the championship-level braking performance of your Huracán Super Trofeo with Girodisc D2-228 Rear Replacement Rotor Rings—precision-built for endurance, cooling, and strength on the world’s toughest circuits.

GiroDisc Racing Brakes & Technologies D2-232 Girodisc Rear Rotor Rings $880.00

Girodisc D2-232 Nissan GT-R Rear Replacement Rotor Rings The Girodisc D2-232 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors on the Nissan GT-R. Designed to restore your braking system’s performance, these rotor rings deliver exceptional cooling, balance, and durability under extreme driving conditions—on both street and track. Engineered for the GT-R’s Performance Demands Each Girodisc D2-232 replacement ring is machined in the USA from Girodisc’s proprietary cast iron alloy, formulated for strength, heat capacity, and friction consistency. The curved vane internal geometry functions as a centrifugal air pump, pulling air through the disc to lower temperatures and prevent brake fade. This kit includes all necessary hardware and bolts directly to your existing Girodisc aluminum hats, ensuring a quick and precise installation. Features • Direct replacement for Girodisc Nissan GT-R rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for efficient cooling and fade resistance• Reuses existing Girodisc aluminum hats• Includes complete hardware kit for installation• Designed for maximum strength and balanced weight distribution• Sold/priced per pair ($880.00)• Not compatible with OEM or other aftermarket hats Vehicle Fitment • Nissan GT-R (R35) – Rear• Fits Girodisc two-piece rotor systems• Will not fit OEM or non-Girodisc two-piece rotors Girodisc D2-232 Nissan GT-R Rear Replacement Rotor Rings FAQs Can I reuse my existing Girodisc hats? Yes. These replacement rings are designed to bolt directly onto your Girodisc aluminum hats with the included hardware kit. What’s included in the package? Two iron rotor rings (left and right) and all necessary mounting hardware for a complete reinstallation. Are these rotors directional? Yes. Each rotor features directional curved vanes—be sure to install them correctly for optimal airflow and cooling performance. Will these fit OEM or other aftermarket systems? No. These replacement rings are exclusively engineered for Girodisc two-piece rotors and are not compatible with factory or non-Girodisc hats. How do these compare to OEM rotors? Girodisc rotors offer improved cooling, reduced weight, and more consistent braking under repeated hard use compared to OEM components. Are they sold individually or as a set? The Girodisc D2-232 Nissan GT-R Rear Replacement Rotor Rings are sold and priced per pair and include all required hardware. Restore the precision and performance of your GT-R’s braking system with Girodisc D2-232 Rear Replacement Rotor Rings—crafted in the USA for superior cooling, balance, and endurance.

GiroDisc Racing Brakes & Technologies D2-238 Girodisc Porsche 991 Cup / GT4 Clubsport Rear Replacement Rotor Rings $1,030.00

Girodisc D2-238 Porsche 991 Cup / GT4 Clubsport Rear Replacement Rotor Rings (380x30) The Girodisc D2-238 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors on the Porsche 991 Cup Car and Cayman GT4 Clubsport. Designed to restore factory braking performance and cooling efficiency, these 380x30mm rotor rings are built for the demands of professional motorsport. Race-Ready Engineering. Factory-Perfect Fit. Manufactured in the USA from Girodisc’s proprietary cast iron alloy, each rotor ring is optimized for strength, consistency, and high thermal capacity. The curved vane internal design acts as a centrifugal pump, forcing air through the rotor to maximize cooling and minimize fade. Sold as a pair, the kit includes all new hardware and is designed to bolt directly to your existing Girodisc aluminum hats for a simple, precise installation. Features • Size: 380mm x 30mm• Direct replacement rings for Girodisc Porsche 991 Cup and GT4 Clubsport rear rotors• Cast from Girodisc proprietary high-carbon iron alloy in the USA• Curved vane internal geometry for improved airflow and cooling• Includes all new hardware (drive pins, washers, and bolts)• Reuses Girodisc aluminum hats• Not compatible with OEM or non-Girodisc hats• Sold/priced per pair Vehicle Fitment • Porsche 991 GT3 Cup (All Years) – Rear• Porsche Cayman GT4 Clubsport (981 & 982) – Rear• Designed for Girodisc two-piece rotor systems• Will not fit OEM two-piece rotors or other aftermarket hats Girodisc D2-238 Porsche 991 Cup / GT4 Clubsport Rear Replacement Rings FAQs Can I reuse my aluminum hats? Yes. These replacement rings bolt directly to your existing Girodisc aluminum hats with the supplied hardware. Do these fit OEM or factory rotors? No. Girodisc replacement rings are engineered specifically for Girodisc two-piece systems and are not compatible with OEM or other aftermarket hats. What’s included in the package? Two iron rotor rings (left and right) and a full hardware kit for reassembly. Are the rotors directional? Yes. Each rotor features directional curved vanes for optimal airflow and cooling efficiency—ensure correct orientation during installation. Are they sold individually or as a set? The Girodisc D2-238 Rear Replacement Rotor Rings are sold and priced per pair, complete with hardware. What benefits do these offer over OEM rotors? Girodisc rotors reduce unsprung weight, improve cooling efficiency, and maintain consistent pedal feel and braking balance under the harshest track conditions. Maintain championship-level braking performance with Girodisc D2-238 380x30mm Rear Replacement Rotor Rings—crafted in the USA to deliver maximum precision, cooling, and reliability for Porsche 991 Cup and GT4 Clubsport race cars.

D2-239 Girodisc Rear Rotor Ring Replacements - Competition Motorsport

GiroDisc Racing Brakes & Technologies D2-239 Girodisc Rear Rotor Ring Replacements $700.00

REPLACEMENT ROTOR RINGS ONLY. INCLUDES 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.

GiroDisc Racing Brakes & Technologies D2-242 Girodisc Corvette C8 Z51 Rear Replacement Rotor Rings $780.00

Girodisc Corvette C8 Z51 Rear Rotor Rings The Girodisc D2-242 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rotors on the Chevrolet Corvette C8 Z51. Designed for seamless fitment and peak braking performance, these iron rings restore the stopping power, cooling efficiency, and balanced pedal feel your Girodisc system was built to deliver. Restore Performance with Genuine Girodisc Components Manufactured and machined entirely in the USA, each rotor ring is cast from Girodisc’s proprietary iron alloy for superior strength, thermal stability, and friction consistency. The curved vane internal structure acts as a centrifugal air pump, pulling cooling air through the rotor to maintain ideal temperatures under repeated hard braking. Sold in pairs and supplied with new hardware, these rings bolt directly to your existing Girodisc aluminum hats with no modification required. Features • Direct replacement for Girodisc Corvette C8 Z51 rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for enhanced cooling and fade resistance• Includes full replacement hardware kit for installation• Reuses Girodisc aluminum hats• Maintains OEM fitment and brake bias• Sold/priced per pair• Not compatible with OEM or other aftermarket hats Vehicle Fitment • Chevrolet Corvette C8 Z51 (All Years) – Rear• Designed for Girodisc two-piece rotor systems• Will not fit OEM two-piece rotors or other aftermarket hats Girodisc D2-242 Corvette C8 Z51 Rear Replacement Rotor Rings FAQs Can I reuse my Girodisc aluminum hats? Yes. These replacement rings are designed to bolt directly onto your existing Girodisc hats using the included hardware. What’s included in the kit? Two iron rotor rings (left and right) and all necessary hardware for reassembly. Do these fit OEM rotors or other brands? No. Girodisc replacement rings are engineered exclusively for Girodisc systems and are not compatible with OEM or other aftermarket hats. Are the rotors directional? Yes. Each ring is labeled left and right to ensure proper airflow through the curved vane cooling system. Do these improve performance over OEM? Yes. Girodisc rotors are lighter, run cooler, and offer more consistent braking under track or spirited driving conditions compared to factory components. Are they sold as a set? Yes. The Girodisc D2-242 Corvette C8 Z51 Rear Replacement Rotor Rings are sold and priced per pair and include all required hardware. Maintain the performance and precision of your braking system with Girodisc D2-242 Rear Replacement Rotor Rings—engineered for the Corvette C8 Z51 to deliver race-bred strength, superior cooling, and consistent stopping power lap after lap.

GiroDisc Racing Brakes & Technologies D2-248DS Girodisc Mercedes E63, GT53 Rear Replacement Rings (Dimpled & Slotted) $980.00

Girodisc Mercedes E63, GT53 Rear Replacement Rings (Dimpled & Slotted) Upgrade your AMG’s braking confidence with Girodisc dimpled and slotted rear replacement rings for the Mercedes E63 and GT53. These high-performance rotors are direct replacements for Girodisc’s two-piece assemblies, designed to restore race-ready bite, consistent thermal control, and responsive pedal feedback on both street and track. Vehicle Fitment Compatible with:• Mercedes-AMG E63 (W213)• Mercedes-AMG GT53 (C257 / X290)Note: These are replacement friction rings only. They mount directly to existing Girodisc aluminum hats using the included hardware kit. Precision Engineering Meets AMG Performance The Girodisc D2-248DS rings are machined from high-carbon cast iron and feature a dimpled and slotted face pattern for enhanced pad cleaning and outgassing under extreme heat. The curved internal vanes pump air through the rotor to maintain stable temperatures and reduce fade. Made entirely in the USA, Girodisc rings are the ultimate solution for repeatable, fade-free braking performance. Features • Dimpled and slotted surface for improved pad bite and cooling• Direct replacements for Girodisc two-piece rear rotor assemblies• High-carbon iron construction with directional curved vanes• Includes full replacement hardware kit• Designed for Girodisc aluminum hats only• Precision-machined and balanced in the USA• Sold/priced per pair Specifications • Application: Rear axle• Vehicles: Mercedes-AMG E63, GT53• Material: High-carbon cast iron• Design: Dimpled and slotted• Includes new hardware• Made in the USA• Sold/priced per pair Girodisc D2-248DS Replacement Ring FAQs What’s the advantage of dimpled and slotted rotors? The combination design helps evacuate gases and debris from between the pad and rotor, improving initial bite and maintaining friction consistency under heavy braking. Can I reuse my Girodisc aluminum hats? Yes, these rings are designed to bolt directly to your existing Girodisc hats using the supplied hardware kit. Do they fit OEM Mercedes rotors? No. These replacement rings are engineered exclusively for Girodisc two-piece rotor systems. Are these suitable for daily driving? Absolutely. Despite their motorsport pedigree, Girodisc rings maintain smooth, quiet operation during normal street use while offering superior heat management for spirited or track driving. Give your Mercedes-AMG E63 or GT53 the braking precision it deserves with Girodisc D2-248DS dimpled and slotted replacement rings — the perfect balance of street comfort and track endurance.

GiroDisc Racing Brakes & Technologies D2-250 Girodisc Porsche GT2 RS Clubsport Rear Replacement Rotor Rings $1,150.00

Girodisc D2-250 Porsche GT2 RS Clubsport Rear Replacement Rotor Rings The Girodisc D2-250 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rotors fitted to the Porsche 991 GT2 RS Clubsport. Designed to match the performance and fitment of the original Girodisc system, these iron rings restore braking power, cooling efficiency, and pedal consistency for track-dominant Porsche applications. Built for the Demands of Motorsport Machined and cast in the USA, each Girodisc D2-250 rotor ring is made from Girodisc’s proprietary cast iron alloy, formulated for superior strength and thermal stability under repeated high-load braking. The curved vane internal geometry functions as a centrifugal air pump, improving airflow through the rotor and dramatically reducing temperatures. Sold as a pair, these replacement rings include all necessary hardware and bolt directly onto your existing Girodisc aluminum hats. Features • Direct replacement for Girodisc Porsche 991 GT2 RS Clubsport rear rotors• Proprietary cast iron alloy for consistent friction and durability• Curved vane internal geometry for maximum cooling and airflow• Reuses Girodisc aluminum hats• Includes complete hardware kit for installation• Engineered and machined in the USA• Sold/priced per pair• Not compatible with OEM or other aftermarket hats Vehicle Fitment • Porsche 991 GT2 RS Clubsport – Rear• Fits Girodisc two-piece rotor systems using D2-250 configuration• Will not fit OEM or non-Girodisc hats Girodisc D2-250 Porsche GT2 RS Clubsport Rear Replacement Rotor Rings FAQs Do these rotors fit OEM hats or hardware? No. Girodisc replacement rings are designed specifically for Girodisc aluminum hats and should not be used with OEM or other aftermarket hardware. What’s included in the package? Each set includes two iron rotor rings (left and right) and all necessary mounting hardware for reassembly. Can I reuse my existing Girodisc hats? Yes. These rings are designed to bolt directly to your current Girodisc aluminum hats, preserving the same lightweight two-piece configuration. What are the benefits of the curved vane design? Curved vanes pull air through the rotor as it spins, helping to regulate temperature and prevent fade during heavy braking—ideal for track environments. Are these rotors directional? Yes. Each ring is marked left and right to ensure proper airflow through the curved vane system. Are they sold individually or as a set? The Girodisc D2-250 Porsche GT2 RS Clubsport Rear Replacement Rotor Rings are sold and priced per pair, including hardware. Maintain peak braking performance on your Porsche GT2 RS Clubsport with Girodisc D2-250 Replacement Rotor Rings—precision-built to the same racing-grade standards that define Girodisc performance systems.