Racing Brake Rotors

D1-187 Girodisc Audi 400mm Front Replacement Rings Maintain the incredible stopping power of your Audi RS with Girodisc D1-187 400mm front replacement rings. These precision-machined rings bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit. Engineered from high-carbon cast iron, they deliver consistent performance under heat, reduced fade, and improved pedal modulation compared to OEM rotors. Vehicle Fitment Compatible with:• Audi RS6 (C7, 2014–2018)• Audi RS7 (C7, 2014–2018)• Audi S8 (D4, 2013–2018)• Audi S6 / S7 Performance Package (C7, optional 400 mm brakes)Note: These fit Girodisc 400 mm two-piece front rotor systems only. Not compatible with OEM one-piece or carbon-ceramic rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 400 mm two-piece front rotors• CNC-machined from high-carbon cast iron for stability under repeated high-heat braking• Directional curved vanes force airflow through the rotor for superior cooling• Maintains factory brake bias and ABS calibration• Balanced to within 2 grams for vibration-free performance• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 400 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rotor rings and complete hardware kit• Sold/priced per pair Girodisc D1-187 Audi 400 mm Front Ring FAQs Can I reuse the OEM Audi rotor hats with these rings? No. The bolt pattern and float hardware differ; these are designed for Girodisc hats only. What torque specs should I use on the hardware? Tighten the drive bolts to 12 ft-lbs (16 Nm) using blue Loctite, then safety-wire if applicable per Girodisc instructions. Are these compatible with the RS6/RS7 factory ceramic brake option? No. The D1-187 rings fit the steel rotor conversion or factory iron brake systems only. Do they work with aftermarket track pads like Pagid RS or Ferodo DS series? Yes. These rotors pair well with all high-friction track compounds and resist heat cracking during repeated heavy stops. Upgrade your Audi RS or S model with Girodisc D1-187 400 mm front replacement rings — the track-tested, service-friendly solution for maximum cooling and consistent stopping power.

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.

Girodisc Porsche 718, 991.2, 992.1 Carrera Front Replacement Rings Refresh the braking precision of your Porsche Carrera with Girodisc D1-203 350 mm front replacement rings. These precision-engineered rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Cast from Girodisc’s proprietary high-carbon iron alloy, they deliver enhanced cooling, consistent friction, and fade-free braking in both street and track environments. Vehicle Fitment Compatible with:• Porsche 718 Cayman / Boxster S & GTS (Front)• Porsche 991.2 Carrera / Carrera S (Front)• Porsche 992.1 Carrera / Carrera S (Front)Note: Designed exclusively for Girodisc 350 mm two-piece front rotor systems. Not compatible with OEM PCCB or one-piece iron rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 350 mm two-piece front rotors• CNC-machined from high-carbon cast iron for superior thermal stability• Directional curved vanes enhance airflow and reduce heat buildup• Maintains factory brake bias and ABS calibration• Precision-balanced for vibration-free operation• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 350 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rotor rings and complete hardware kit• Sold/priced per pair Girodisc D1-203 Porsche 718 / 991.2 / 992.1 Carrera Front Replacement Ring FAQs Are these compatible with Porsche PCCB carbon-ceramic systems? No. The D1-203 rings are designed for Girodisc steel two-piece systems only and will not fit PCCB setups. Do they fit both 718 and 992 Carrera models? Yes. They share identical rotor dimensions and fitment when using Girodisc hats designed for each chassis. How do they compare to OEM rotors in performance? Girodisc rings provide improved cooling efficiency, reduced unsprung weight, and lower replacement cost over OEM options. Are they quiet enough for street driving? Yes. The floating system is engineered for minimal noise during daily use while maintaining full race-level durability under heat. Upgrade your Porsche 718, 991.2, or 992.1 Carrera with Girodisc D1-203 350 mm front replacement rings — precision-built for balanced braking, exceptional cooling, and long-term performance on road or track.

Girodisc Kia Stinger GT, Genesis G70 Front Replacement Rings Give your Stinger GT or Genesis G70 the braking precision it deserves with Girodisc D1-204 355 mm front replacement rings. Designed to bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit, these rings combine advanced metallurgy with proven motorsport engineering for fade-free, predictable braking whether you’re carving corners or commuting daily. Vehicle Fitment Compatible with:• Kia Stinger GT (2018 – present, front)• Genesis G70 3.3T (2019 – present, front)Note: These rings fit Girodisc 355 mm two-piece front rotor systems only and are not compatible with OEM one-piece rotors or other brands. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 355 mm two-piece front rotors• High-carbon cast-iron construction for superior heat management and strength• Directional curved vanes maximize cooling airflow• Maintains OEM brake bias and ABS/ESC functionality• Precision-balanced for quiet, vibration-free performance• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 355 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 D1-204 Kia Stinger GT / Genesis G70 Front Replacement Ring FAQs Can I reuse my factory rotor hats? No. These rings are built specifically for Girodisc aluminum hats and will not bolt to OEM rotors. Are they compatible with OEM Brembo calipers? Yes. They maintain the factory offset and pad contact area for both Kia and Genesis Brembo setups. How do they handle track temperatures? The high-carbon alloy and curved-vane design ensure stable performance and minimal fade through long sessions. Do these require any special bedding procedure? Yes — use a standard pad/rotor bedding cycle of 8–10 gradual stops to transfer pad material and optimize performance. Upgrade your Kia Stinger GT or Genesis G70 with Girodisc D1-204 355 mm front replacement rings — precision-machined for cooling, consistency, and confidence on both street and track.

Girodisc D1-206 Front Replacement Rotor Rings Restore your braking system’s performance with Girodisc D1-206 front replacement rotor rings. These precision-engineered 355mm rotors are direct replacements for existing Girodisc two-piece front rotor assemblies, offering exceptional heat management, balance, and consistency under the toughest driving conditions. Vehicle Fitment Compatible with:• Audi B8/B8.5 S4 (2010–2016)• Audi B8/B8.5 S5 (2010–2017)• Audi SQ5 (2014–2017)Note: These are friction rings only. They attach to existing Girodisc aluminum hats using the supplied floating hardware kit. Engineered for Performance and Reliability Each Girodisc replacement ring is made from a proprietary high-carbon iron alloy, cast and machined entirely in the USA. The internal curved vane design acts as a centrifugal pump, pulling cooling air through the rotor to minimize heat and fade. This ensures consistent braking performance and long-term durability on both street and track. Features • Direct replacement for Girodisc two-piece front rotors• High-carbon cast iron for improved heat dissipation• 355mm diameter for enhanced braking torque and cooling• Directional curved vane design for efficient airflow• Machined, balanced, and assembled in the USA• Includes complete floating hardware kit• Sold/priced per pair Specifications • Diameter: 355mm• Position: Front• Material: High-carbon cast iron• Includes: Two rotor rings and new hardware kit• Made in the USA• Sold/priced per pair Girodisc D1-206 Replacement Ring FAQs Will these fit OEM Audi rotors? No. These replacement rings are designed for use with Girodisc two-piece rotor systems only. Do they include new hardware? Yes. Each pair comes with a full hardware kit for secure and simple installation. Can I install these myself? Installation is straightforward for anyone familiar with brake service. A torque wrench and Loctite are recommended for hardware installation. Are these suitable for track use? Absolutely. Girodisc rotors are engineered for high-performance driving, maintaining consistent pedal feel through repeated high-heat cycles. Get the most from your Audi’s braking system with Girodisc D1-206 front replacement rings — precision-engineered, track-proven, and proudly made in the USA.

Girodisc Mercedes 402mm Front Rings Upgrade your Mercedes-AMG’s braking performance with Girodisc D1-207 402mm front replacement rings. These precision-engineered rings mount directly to your existing Girodisc aluminum hats using the included floating hardware kit. Each ring is machined from high-carbon cast iron for exceptional durability, improved heat dissipation, and fade-free braking during spirited driving or track use. Vehicle Fitment Compatible with:• Mercedes-AMG GT / GT S / GT C / GT R (Front)• Mercedes-AMG E63 / CLS63 (W213, C218 Front)• Mercedes-AMG S63 (W222 Front, Iron Rotor Conversion)Note: Designed exclusively for Girodisc 402mm two-piece front rotor systems. Not compatible with OEM one-piece or carbon-ceramic rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 402mm two-piece front rotors• CNC-machined from high-carbon cast iron for maximum heat capacity and consistent performance• Directional curved vanes enhance airflow and cooling efficiency• Maintains OEM brake bias and ABS calibration• Precision-balanced for vibration-free operation• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 402mm• 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 D1-207 Mercedes 402mm Front Ring FAQs Do these fit OEM Mercedes or AMG rotor hats? No. These rings are specifically engineered for Girodisc aluminum hats and will not mount to OEM or carbon-ceramic assemblies. Are they compatible with factory AMG calipers? Yes. They maintain exact OEM rotor dimensions and offset for perfect alignment with AMG multi-piston calipers. Can these be used for extended track sessions? Absolutely. The high-carbon alloy and curved vane design are optimized for continuous high-temperature performance without fade. Do these rotors make noise during street driving? No. The floating system is designed with tight tolerances to prevent clatter while allowing proper heat expansion under load. Enhance your Mercedes-AMG’s stopping power with Girodisc D1-207 402mm front replacement rings — precision-built for strength, cooling efficiency, and endurance on both street and circuit.

D1-211 Girodisc Chevrolet Camaro ZL1 (6th Gen) Front Replacement Rings Bring your Camaro ZL1’s braking system back to peak performance with Girodisc D1-211 390mm front replacement rings. These high-performance rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Precision-machined from Girodisc’s proprietary high-carbon iron alloy, they deliver outstanding heat management, reduced fade, and smooth pedal feel — even during aggressive track sessions. Vehicle Fitment Compatible with:• Chevrolet Camaro ZL1 (6th Gen, 2017+)• Chevrolet Camaro SS 1LE (with 390mm front rotors)Note: Designed exclusively for Girodisc 390mm two-piece front rotor systems. Not compatible with OEM one-piece or carbon-ceramic rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 390mm two-piece front rotors• CNC-machined from high-carbon cast iron for superior strength and thermal capacity• Directional curved vanes enhance cooling efficiency and reduce fade• Maintains OEM brake bias and ABS calibration• Precision-balanced for vibration-free operation• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 390mm• 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 D1-211 Chevrolet Camaro ZL1 Front Replacement Ring FAQs Can these be used with the factory ZL1 rotor hats? No. These rings are designed for Girodisc aluminum hats and will not bolt to factory one-piece rotors. Are they compatible with the OEM six-piston Brembo calipers? Yes. They maintain factory dimensions and work perfectly with the stock Brembo caliper setup. How do they compare to stock GM rotors? Girodisc rings offer better cooling, reduced weight, and longer life under heavy braking thanks to the floating two-piece design. Do these need any special maintenance? Periodic inspection of hardware torque is recommended — otherwise, they’re service-free and designed for long-term reliability. Upgrade your Chevrolet Camaro ZL1’s braking performance with Girodisc D1-211 390mm front replacement rings — engineered for heat control, balance, and endurance on road and track.

D1-216 Girodisc Audi 374mm Front Replacement Rings Restore your Audi’s braking precision with Girodisc D1-216 374mm front replacement rings. These precision-engineered rings mount directly to your existing Girodisc aluminum hats using the included floating hardware kit. Each ring is machined from Girodisc’s proprietary high-carbon cast iron, providing exceptional heat capacity, reduced fade, and consistent performance for both street and track use. Vehicle Fitment Compatible with:• Audi RS5 (B9, 2018+)• Audi S6 / S7 (C8, 2020+)• Audi RS4 (B9, 2018+)Note: Designed exclusively for Girodisc 374mm two-piece front rotor systems. Not compatible with OEM one-piece or carbon-ceramic rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 374mm two-piece front rotors• CNC-machined from high-carbon cast iron for excellent thermal stability• Directional curved vanes enhance airflow and cooling• Maintains factory brake bias and ABS/ESC calibration• Precision-balanced for smooth, quiet operation• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 374mm• 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 D1-216 Audi 374mm Front Ring FAQs Do these fit Audi’s factory two-piece rotor hats? No. The D1-216 rings are made specifically for Girodisc hats and won’t bolt to OEM or other aftermarket hats. Will they clear factory calipers? Yes. They maintain the correct rotor offset and dimensions to fit factory or OEM-sized calipers without modification. How do they perform compared to OEM rotors? Girodisc rings offer improved cooling, lighter rotational mass, and reduced fade during repeated hard braking. Are they suitable for daily driving? Absolutely. The floating hardware design keeps noise low in normal driving while providing race-ready heat management when pushed hard. Upgrade your Audi’s braking performance with Girodisc D1-216 374mm front replacement rings — engineered for precise fitment, cooling efficiency, and long-lasting performance on street and circuit.

Girodisc Hyundai Veloster N Front Rings Optimize your Hyundai Veloster N’s braking system with Girodisc D1-217 345 mm front replacement rings. Designed to bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit, these rings provide exceptional heat control, reduced fade, and smooth pedal feel through every corner. Ideal for spirited driving or weekend track use, they preserve your lightweight two-piece rotor advantage while restoring full braking performance. Vehicle Fitment Compatible with:• Hyundai Veloster N (2019 and newer, front)Note: For use with Girodisc 345 mm two-piece front rotor systems only. Not compatible with OEM one-piece rotors or other aftermarket hats. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 345 mm two-piece front rotors• High-carbon cast iron construction for superior thermal stability• Directional curved vanes enhance cooling and airflow• Maintains factory ABS and stability-control calibration• Precision-balanced for quiet, vibration-free operation• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 345 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 D1-217 Hyundai Veloster N Front Ring FAQs Do these fit directly to the stock Veloster N hats? No. They’re designed for Girodisc aluminum hats only and won’t mount to OEM one-piece rotors. Are they compatible with OEM calipers? Yes. They maintain the factory offset and pad contact pattern for the standard Veloster N Brembo calipers. How do these perform under extended track heat? The high-carbon alloy and vented design deliver excellent thermal capacity and resist fade during multiple hot laps. Do they increase brake noise or vibration? No. When properly installed and bedded, the floating design remains quiet in street driving while reducing cracking and warping under load. Enhance your Hyundai Veloster N with Girodisc D1-217 front replacement rings — precision-built for heat management, durability, and repeatable braking performance on road and track.

D1-220 Girodisc BMW F8X, G8X 400mm Front Replacement Rings Upgrade the stopping power of your BMW M car with Girodisc D1-220 400mm front replacement rings. These precision-engineered rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Cast from Girodisc’s proprietary high-carbon iron alloy, they deliver outstanding heat management, fade resistance, and consistent braking response for street, track, or competition use. Vehicle Fitment Compatible with:• BMW F80 M3 / F82 M4 / F83 M4 Convertible (front)• BMW G80 M3 / G82 M4 / G87 M2 (front)Note: Designed exclusively for Girodisc 400mm two-piece front rotor systems. Not compatible with OEM one-piece or carbon-ceramic rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 400mm two-piece front rotors• CNC-machined from high-carbon cast iron for superior heat capacity• Directional curved vanes improve airflow and cooling• Maintains factory brake bias and ABS calibration• Precision-balanced and track-ready• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 400mm• 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 D1-220 BMW Front Replacement Ring FAQs Can I use these with BMW’s carbon-ceramic brake package? No. These are for Girodisc steel rotor conversions only and will not fit OEM carbon-ceramic hats. Do these work with factory M compound calipers? Yes. The D1-220 rings maintain exact rotor offset and diameter to work perfectly with OEM four- and six-piston M calipers. Are they quieter than stock rotors? Yes. The Girodisc floating design allows better heat expansion control, reducing cracking noise and vibration over time. What are the advantages over BMW’s OEM rotors? Girodisc rotors are lighter, rebuildable, and deliver superior thermal consistency — ideal for repeated hard stops at the track. Enhance your BMW M’s braking performance with Girodisc D1-220 400mm front replacement rings — the ultimate upgrade for precision, endurance, and smooth braking under pressure.

Girodisc Lamborghini Huracán Super Trofeo Front Replacement Rings Engineered for the most demanding GT competition environments, the Girodisc D1-228 front replacement rings for the Lamborghini Huracán Super Trofeo deliver uncompromising performance. Each 380 mm ring is precision-machined from Girodisc’s proprietary high-carbon cast-iron alloy and mounts directly to your existing Girodisc aluminum hats with the included floating hardware kit. Designed to sustain repeated high-temperature cycles, these rotors maintain exceptional pedal feel and fade-free braking lap after lap. Vehicle Fitment Compatible with:• Lamborghini Huracán Super Trofeo (EVO, EVO2 front)• Lamborghini Huracán GT3 front (Girodisc conversion)Note: Designed exclusively for Girodisc 380 mm two-piece front rotor systems. Not compatible with OEM Brembo or carbon-ceramic assemblies. Features • Sold as a left/right pair with full floating hardware kit• Direct replacements for Girodisc 380 mm two-piece front rotors• CNC-machined from high-carbon cast iron for maximum heat capacity• Directional curved vanes promote superior airflow and cooling• Maintains factory brake bias and ABS calibration• Precision-balanced for vibration-free performance• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 380 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 D1-228 Lamborghini Huracán Super Trofeo Front Replacement Ring FAQs Are these rings compatible with OEM Super Trofeo rotors? No. They are engineered exclusively for Girodisc hats and will not fit the factory carbon-ceramic setup. Can they handle full GT-class endurance racing? Absolutely. The D1-228 rings are used in professional GT programs and provide exceptional thermal stability through long stints. Do they affect ABS or traction-control calibration? No. They retain OEM rotor geometry, ensuring all driver-assist systems function as intended. How often should these rings be replaced? Girodisc recommends replacement when thickness approaches the wear limit or if heat-checking exceeds standard track tolerance. Upgrade your Lamborghini Huracán Super Trofeo’s braking system with Girodisc D1-228 front replacement rings — precision-built for cooling efficiency, endurance durability, and ultimate stopping power on the world’s fastest circuits.

D1-232 Girodisc Nissan GT-R (2012+) 390mm Front Replacement Rings Bring your R35 GT-R’s braking system back to peak performance with Girodisc D1-232 390mm front replacement rings. These precision-machined components bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit. Each ring is cast from Girodisc’s proprietary high-carbon iron alloy, delivering exceptional cooling, consistent friction, and fade-free performance even under intense track conditions. Vehicle Fitment Compatible with:• Nissan GT-R (R35, 2012+, front)• Fits Premium, Black Edition, Track Edition, and NISMO trimsNote: Designed for Girodisc 390mm two-piece front rotor systems only. Not compatible with OEM or aftermarket one-piece rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 390mm two-piece front rotors• CNC-machined from high-carbon cast iron for optimal heat dissipation• Directional curved vanes improve airflow and braking consistency• Maintains factory brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 390mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece design• Includes: Two rotor rings and new hardware kit• Sold/priced per pair Girodisc D1-232 Nissan GT-R Front Ring FAQs Do these fit OEM GT-R rotor hats? No. These are engineered specifically for Girodisc hats and will not bolt to factory or other aftermarket hats. Are they compatible with factory calipers? Yes. They maintain OEM brake geometry and clearances for the standard Brembo calipers found on all R35 trims. How do these compare to OEM rotors? Girodisc rings are lighter, dissipate heat faster, and reduce the risk of cracking or warping under repeated high-speed stops. Are they track-proven? Absolutely. The D1-232 rings are used on GT-Rs competing in endurance and time-attack racing worldwide, offering unmatched consistency. Upgrade your Nissan GT-R’s braking system with Girodisc D1-232 390mm front replacement rings — precision-engineered for extreme performance, cooling efficiency, and durability on both street and circuit.

Girodisc Porsche 991 Cup, GT4 Clubsport Front Replacement Rings (380x32) Restore the elite braking performance of your Porsche Cup or Clubsport with Girodisc D1-238 380x32mm front replacement rings. Engineered for uncompromising precision, these rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Crafted from high-carbon cast iron, they provide superior heat management, fade resistance, and consistent pedal feel under extreme race conditions. Vehicle Fitment Compatible with:• Porsche 991 Cup (2013–2019, front)• Porsche 981 GT4 Clubsport (front)• Porsche 718 GT4 Clubsport (front)Note: Designed exclusively for Girodisc 380x32mm two-piece front rotor systems. Not compatible with OEM PCCB or one-piece rotors. Features • Sold as a left/right pair with full floating hardware kit• Direct replacements for Girodisc 380x32mm two-piece front rotors• CNC-machined from proprietary high-carbon cast iron for superior strength and cooling• Directional curved vanes maximize airflow and heat dissipation• Balanced and precision-machined for vibration-free performance• Maintains factory brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 380mm• Thickness: 32mm• 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 D1-238 Porsche 991 Cup / GT4 Clubsport Front Replacement Ring FAQs Do these fit factory Porsche Cup rotor hats? No. The D1-238 rings are designed exclusively for Girodisc aluminum hats and will not mount to OEM or AP Racing hats. Can they handle sustained race heat cycles? Absolutely. Girodisc’s high-carbon alloy and curved vane design deliver outstanding thermal capacity for endurance and sprint racing. Are these compatible with the Porsche 718 GT4 Clubsport? Yes. They fit all 981 and 718 GT4 Clubsport models equipped with 380x32mm front Girodisc systems. How do they compare to OEM Cup rotors? Girodisc rotors offer reduced unsprung weight, lower running costs, and more consistent friction characteristics under repeated braking. Upgrade your Porsche 991 Cup or GT4 Clubsport with Girodisc D1-238 380x32mm front replacement rings — precision-engineered for cooling, endurance, and repeatable braking control lap after lap.

D1-242 Girodisc Corvette Front Rings Refresh your Corvette C8 Z51’s braking system with the Girodisc D1-242 345 mm front replacement rings. These precision-machined rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Replace only the wear surface while maintaining your lightweight two-piece rotor design and factory braking balance. Vehicle Fitment Compatible with:• Chevrolet Corvette C8 Z51 (2020+) – front axleNote: Designed exclusively for Girodisc 345 mm two-piece front rotor systems. Not compatible with OEM one-piece or other-brand rotor hats. Features • Sold as a left/right pair with full hardware kit• Direct replacements for Girodisc 345 mm two-piece front rotors• CNC-machined from high-carbon cast iron for durability• Directional curved vanes enhance airflow and heat dissipation• Maintains factory brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 345 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and new hardware kit• Sold/priced per pair Girodisc D1-242 Corvette C8 Z51 Front Ring FAQs Do these fit factory rotor hats on the C8 Z51? No. These rings are engineered for Girodisc-brand hats only and will not mount to OEM hats. Will these use the OEM calipers? Yes. These rings maintain correct offset and clearance to match the stock Z51 braking geometry when used with Girodisc hats. Are they suitable for performance or track use? Absolutely. The floating design and high-carbon construction ensure consistent stopping performance and reduced fade under heavy braking. What’s the benefit of replacing just the rings? You retain your Girodisc hats, save on cost, lower unsprung weight, and keep the two-piece rotor system advantage. Upgrade your Corvette C8 Z51’s braking performance with Girodisc D1-242 front replacement rings — engineered for precision, cooling and durability on road or track.

Girodisc Dodge Hellcat 390mm Front Rings  Renew the braking performance of your Dodge Hellcat with Girodisc D1-244 390mm front replacement rings. These precision-engineered rings are designed to mount directly to your factory two-piece rotor hats using the included floating hardware kit. Machined from high-carbon cast iron, they provide exceptional heat management and fade resistance while maintaining the stock caliper geometry and brake bias. Vehicle Fitment Compatible with:• Dodge Challenger SRT Hellcat (2015–2020)• Dodge Charger SRT Hellcat (2015–2020)• Dodge Challenger SRT 392 (with 390mm front brakes)Note: These replacement rings are designed to bolt directly to OEM factory two-piece rotor hats. Not compatible with Girodisc hats or aftermarket systems. Features • Sold as a left/right pair with full hardware kit• Direct replacements for factory 390mm two-piece front rotors• CNC-machined from proprietary high-carbon cast iron• Directional curved vanes enhance cooling and reduce fade• Compatible with OEM Brembo calipers• Engineered to maintain OEM brake bias and ABS function• Designed to reuse your existing factory hats – no modifications required Specifications • Diameter: 390mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece design• Includes: Two rotor rings and new hardware kit• Sold/priced per pair Girodisc D1-244 Dodge Hellcat Front Ring FAQs Do these fit directly on factory Hellcat rotor hats? Yes. The D1-244 rings are engineered specifically for OEM two-piece hats and bolt up with no modifications. Are they compatible with OEM Brembo calipers? Absolutely. These rings are designed to maintain factory spacing and pad sweep with the stock six-piston Brembo setup. Can these handle track use? Yes. Girodisc’s high-carbon alloy and floating mount design withstand repeated heat cycles under extreme braking conditions. Do they require special tools to install? No. Standard torque tools are sufficient — just follow Girodisc’s hardware torque sequence for proper float clearance. Upgrade your Dodge Hellcat’s braking system with Girodisc D1-244 390mm front replacement rings — precision-built for strength, cooling, and fade-free performance on the street or the strip.

D1-249 Girodisc Nissan GT-R (2007–2011) 380mm Front Replacement Rings Restore the braking performance of your Nissan GT-R with Girodisc D1-249 380mm front replacement rings. These precision-engineered rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Replace only the wear surface while maintaining the lightweight two-piece rotor design that keeps your GT-R’s handling sharp and consistent under heavy braking. Vehicle Fitment Compatible with:• Nissan GT-R (R35, 2007–2011, front)Note: Designed exclusively for Girodisc 380mm two-piece front rotor systems. Not compatible with OEM rotor hats or carbon-ceramic systems. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 380mm two-piece front rotors• CNC-machined from proprietary high-carbon cast iron for durability• Directional curved vanes enhance airflow and heat dissipation• Maintains factory brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 380mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and new hardware kit• Sold/priced per pair Girodisc D1-249 Nissan GT-R Front Replacement Ring FAQs Do these fit the factory GT-R rotor hats? No. These are designed only for Girodisc aluminum hats and are not compatible with OEM or aftermarket alternatives. Will they work with stock GT-R calipers? Yes. These rings maintain proper offset and clearance for the OEM Brembo calipers when paired with Girodisc hats. Are these suitable for track use? Absolutely. Girodisc rotors are engineered for repeated high-heat braking cycles, delivering consistent performance and fade resistance. What’s the advantage of replacing just the rings? You save cost by retaining your Girodisc hats while restoring full braking performance and maintaining lightweight rotational mass. Upgrade your Nissan GT-R braking system with Girodisc D1-249 380mm front replacement rings — precision-built for cooling, balance, and durability both on the street and at the track.