Racing Brake Rotors

D1-007 Girodisc Subaru WRX STI ('04–'17) Front Replacement Rings Bring back the precise braking performance of your Subaru WRX STI with Girodisc D1-007 front replacement rings. Designed as direct replacements for Girodisc two-piece rotors, these high-carbon cast iron rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. The result is factory-level fitment with race-bred thermal control, fade resistance, and improved pedal consistency during aggressive driving. Vehicle Fitment Compatible with:• Subaru WRX STI (2004–2017, all trims including Limited and Type RA)Note: These rings are designed exclusively for Girodisc two-piece front rotors and are not compatible with OEM or other aftermarket one-piece designs. Features • Direct replacements for Girodisc 2-piece STI front rotors• Sold as a matched left/right pair with complete floating hardware kit• High-carbon cast iron construction for superior heat control• Directional curved vanes increase airflow and cooling efficiency• Precision-balanced for smooth, vibration-free operation• Retains factory brake bias and ABS calibration• Machined and assembled in the USA• Sold/priced per pair Specifications • Diameter: 326 mm (application dependent)• 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 D1-007 Subaru WRX STI ('04–'17) Front Replacement Ring FAQs Can these be used with factory STI rotor hats? No. These are designed exclusively for Girodisc aluminum hats and won’t fit OEM one-piece rotors. Are they suitable for both street and track use? Yes. Girodisc rotors are engineered to handle the heat of track sessions while maintaining quiet, smooth operation for daily driving. Do these rings come with new hardware? Yes. Each pair includes a complete floating hardware kit with drive pins, bolts, and washers for proper installation. Which brake pads are recommended? For street performance, use Ferodo DS2500. For track use, Pagid RS29 or Carbotech XP10 deliver consistent high-temperature braking. Upgrade your WRX STI’s braking capability with Girodisc D1-007 front replacement rings — the ideal balance of precision, cooling, and endurance for both street and circuit performance.

D1-008 Girodisc Mitsubishi Evo 6–9 Front Replacement Rings Refresh your Mitsubishi Evo’s braking performance with Girodisc D1-008 front replacement rings, designed as direct replacements for Girodisc two-piece front rotors. Each ring is machined from Girodisc’s proprietary high-carbon cast iron, providing exceptional thermal capacity, low distortion, and consistent braking under aggressive driving or track conditions. The included floating hardware kit allows for straightforward installation onto your existing Girodisc aluminum hats. Vehicle Fitment Compatible with:• Mitsubishi Lancer Evolution VI (1999–2001)• Mitsubishi Lancer Evolution VII (2001–2003)• Mitsubishi Lancer Evolution VIII (2003–2005)• Mitsubishi Lancer Evolution IX (2005–2007)Note: Designed exclusively for Girodisc two-piece 2-piece front rotors. Not compatible with OEM one-piece or other aftermarket systems. Features • Direct replacements for Girodisc 2-piece Evo 6–9 front rotors• Sold as a left/right pair with full floating hardware kit• High-carbon iron rings for improved heat control and stability• Directional curved vanes maximize airflow and cooling• Precision-balanced for vibration-free operation• Maintains OEM brake bias and ABS calibration• Machined and assembled in the USA• Sold/priced per pair Specifications • Diameter: 320 mm (application dependent)• 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 D1-008 Mitsubishi Evo 6–9 Front Ring FAQs Can I use these with OEM Evo rotor hats? No. The D1-008 rings are designed exclusively for Girodisc aluminum hats and won’t fit factory one-piece rotors. Are these good for track use? Absolutely. Girodisc rotors handle high heat loads from track sessions with minimal fade and excellent pedal feel. How often should these be replaced? Measure thickness regularly; replace once at minimum spec or when excessive cracking or scoring appears. Which brake pads pair best with these rings? For street and light track use, Ferodo DS2500 or Hawk HPS 5.0 pads work well. For dedicated track driving, Pagid RS29 or Carbotech XP10 offer high-temperature consistency. Upgrade your Evo’s stopping power with Girodisc D1-008 front replacement rings — engineered for superior heat control, reduced fade, and dependable braking performance on the street or the circuit.

D1-011 Girodisc Ford SN95 Mustang Front Replacement Rings Upgrade your braking system with Girodisc D1-011 front replacement rings for the Ford SN95 Mustang. Designed as direct replacements for Girodisc two-piece rotor assemblies, these high-performance rings bolt directly to your existing aluminum hats using the included floating hardware kit. Each rotor is machined from a proprietary high-carbon iron alloy, providing superior heat management, fade resistance, and consistent pedal feel for both street and track use. Vehicle Fitment Compatible with:• Ford Mustang GT (1994–2004)• Ford Mustang Cobra (1994–2004, including SVT models)• Ford Mustang Bullitt (2001)Note: These rings are designed exclusively for Girodisc 2-piece front rotors. They will not fit OEM or other aftermarket one-piece designs. Features • Direct replacements for Girodisc SN95 Mustang 2-piece front rotors• Sold as a left/right pair with complete floating hardware kit• High-carbon cast iron for exceptional heat dissipation• Directional curved vanes improve airflow and cooling• Precision-balanced for smooth operation and reduced vibration• Designed and manufactured in the USA• Sold/priced per pair Specifications • Diameter: 330 mm (application dependent)• Position: Front• Material: High-carbon cast iron• Mount Type: Floating two-piece system• Includes: Two rotor rings and hardware kit• Sold/priced per pair Girodisc D1-011 Ford SN95 Mustang Front Ring FAQs Do these rotors fit OEM Mustang brake systems? No. They’re designed specifically for use with Girodisc aluminum hats from the SN95 two-piece rotor conversion kit. What are the benefits of Girodisc over stock rotors? Girodisc rotors offer better cooling, reduced fade, and longer service life due to their floating two-piece design and high-carbon material composition. Can I use these for track days? Absolutely. The curved vane design and floating construction make them ideal for aggressive driving, HPDE, or light competition use. What pads work best with these rings? For dual-use driving, Ferodo DS2500 or Hawk HPS 5.0 pads are excellent. For track-only setups, Pagid RS29 or Carbotech XP10 pads deliver optimal bite and temperature control. Enhance your Mustang’s braking performance with Girodisc D1-011 front replacement rings — engineered for precision, reliability, and performance worthy of Ford’s iconic pony car lineage.

D1-012 Girodisc BMW E46 M3 Front Replacement Rings (345×28 mm) Rings only, sold as a pair with new hardware. Reuse your existing Girodisc aluminum hats. These rings are designed exclusively for Girodisc hats and will not fit OE or other aftermarket hats. Vehicle Fitment BMW E46 M3 (ZCP/Competition Package) – Front BMW E46 M3 CSL – Front Serviceable Two-Piece Design High-carbon iron rings with 48 curved vanes move air efficiently to control temperatures. New drive pins, clips, and Belleville washers restore proper float and clamp force when refreshing your rotors. Dimensions Diameter: 345 mm Thickness: 28 mm Weight: ~17.5 lb per rotor assembly (complete A1-012) Features Replacement rings only; includes hardware Direct fit for Girodisc A1-012 front rotor assemblies High-carbon iron; USA-poured and machined Sold/priced per pair D1-012 FAQs Minimum thickness? Replace at 26 mm, or sooner if a crack reaches the ring’s edge. Caliper compatibility? Works with OEM ZCP/CSL calipers and popular swaps such as Brembo 996 and Megane RS when paired with the correct hats/brackets.

D1-015 Girodisc Front Replacement Rotor Rings FITS: FERRARI 360 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.

D1-021 Girodisc Ferrari 246, 308 BBK Front Replacement Rings Restore confident braking in your classic Ferrari with Girodisc D1-021 front replacement rings, designed specifically for Ferrari 246 and 308 models equipped with Girodisc big brake kits (BBK). These rings replace worn components while retaining your existing aluminum hats, providing a cost-effective refresh without compromising performance or authenticity. Vehicle Fitment Compatible with:• Ferrari 246 Dino (all models)• Ferrari 308 GTB / GTS / GT4 (1975–1985)Note: Designed for use with Girodisc 2-piece BBK front rotors only. Not compatible with OEM or other aftermarket hat assemblies. Features • Direct replacements for Girodisc BBK front rotors• Sold as a left/right pair with complete hardware kit• High-carbon iron rings for exceptional thermal stability• Directional curved vanes for improved airflow and cooling• Maintains OEM brake bias and pedal modulation• Precision-machined in the USA and balanced for vibration-free operation Specifications • Diameter: 310–330 mm (application dependent)• Position: Front• Material: High-carbon cast iron• Mount Type: Floating two-piece system• Includes: Two rotor rings and hardware kit• Sold/priced per pair Girodisc D1-021 Ferrari 246 / 308 BBK Front Replacement Ring FAQs Will these fit OEM Ferrari rotors? No. These are designed exclusively for Girodisc BBK two-piece systems using Girodisc aluminum hats. Do these improve braking performance? Yes — the high-carbon alloy improves heat cycling and resistance to fade, while the curved vane design enhances cooling efficiency. What pad compounds work best with these rotors? For street use, Ferodo DS2500 or Hawk HPS 5.0 pads are ideal. For track applications, Pagid RS29 or Carbotech XP10 provide excellent stopping power and durability. When should I replace the rings again? Measure rotor thickness at every pad change. Replace when at minimum spec or if excessive heat cracking or scoring is visible. Refresh the stopping performance of your Ferrari 246 or 308 with Girodisc D1-021 front replacement rings — precision-machined, track-proven, and engineered for classic Ferrari brake balance and feel.

D1-023 Girodisc McLaren Front Rings Keep your McLaren’s world-class braking performance sharp with Girodisc D1-023 380mm front replacement rings. These precision-engineered rotors are direct replacements for Girodisc two-piece systems and bolt to your existing aluminum hats using the supplied floating hardware kit. Each ring is machined from Girodisc’s proprietary high-carbon cast iron, offering exceptional thermal capacity, improved pedal feel, and consistent stopping power during both spirited road driving and track use. Vehicle Fitment Compatible with:• McLaren 12C / MP4-12C• McLaren 650S / 675LT• McLaren 540C / 570S / 570GT / 600LTNote: Designed exclusively for Girodisc 380mm two-piece front rotor systems. Not compatible with OEM carbon-ceramic or one-piece iron rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 380mm two-piece front rotors• CNC-machined from high-carbon cast iron for stability and heat control• Directional curved vanes optimize airflow for superior cooling• Maintains OEM brake bias, ABS, and traction control calibration• Precision-balanced for vibration-free operation• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 380 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 D1-023 McLaren 380mm Front Ring FAQs Can these be installed with factory McLaren rotor hats? No. The D1-023 rings are designed exclusively for Girodisc aluminum hats and are not compatible with OEM carbon-ceramic or iron rotors. Do these rings improve braking compared to OEM steel rotors? Yes. The floating two-piece design improves heat dissipation, reduces unsprung mass, and enhances braking consistency under heavy load. What brake pads pair best with these rotors? For street and occasional track driving, Ferodo DS2500 or Hawk HPS 5.0 offer excellent balance. For dedicated track use, Pagid RS29 or Carbotech XP12 pads provide high-temperature stability and fade resistance. What torque should I use for installation hardware? Torque all fasteners to 12 ft-lbs (16 Nm) with blue Loctite. After one full heat cycle, recheck torque to confirm proper float and secure alignment. Upgrade your McLaren’s braking system with Girodisc D1-023 380mm front replacement rings — engineered for peak performance, thermal control, and consistent braking feel lap after lap.

D1-031 Girodisc Porsche 340mm Front Replacement Rings Restore your Porsche’s braking precision and performance with Girodisc D1-031 340mm front replacement rings. These high-performance rotors are direct replacements for Girodisc’s two-piece assemblies and mount to your existing aluminum hats using the included floating hardware kit. Each ring is crafted from Girodisc’s proprietary high-carbon cast iron, offering excellent thermal management, consistent pedal feel, and fade-free stopping power on both street and track. Vehicle Fitment Compatible with:• Porsche 986 Boxster S (2000–2004)• Porsche 987 Boxster S / Cayman S (2005–2012)• Porsche Cayman R (2012)Note: Designed exclusively for Girodisc 340mm 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 340mm two-piece front rotors• High-carbon iron alloy provides superior heat control and wear resistance• Directional curved vanes increase airflow and cooling efficiency• Maintains OEM brake bias, ABS, and traction control calibration• Precision-balanced to eliminate vibration• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 340 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rotor rings and hardware kit• Sold/priced per pair Girodisc D1-031 Porsche 340mm Front Ring FAQs Do these fit OEM Porsche rotor hats? No. The D1-031 rings are designed exclusively for Girodisc aluminum hats and are not compatible with OEM or aftermarket one-piece rotors. What pad compounds pair best with these rotors? For street use, Ferodo DS2500 or Hawk HPS 5.0 pads offer smooth, quiet braking. For track applications, Pagid RS29 or Carbotech XP12 pads deliver optimal temperature control and bite. Are these rotors directional? Yes. Each rotor is clearly labeled for left or right installation to ensure proper airflow through the internal curved vanes for maximum cooling efficiency. How should the hardware be torqued? Torque each bolt to 12 ft-lbs (16 Nm) with blue Loctite. After one complete heat cycle, recheck all fasteners to confirm proper float and alignment. Upgrade your Porsche’s braking performance with Girodisc D1-031 340mm front replacement rings — precision-built for thermal efficiency, control, and repeatable performance on road or track.

D1-032 Girodisc Porsche 350mm Front Replacement Rings Maintain your Porsche’s sharp, confidence-inspiring braking feel with Girodisc D1-032 350 mm front replacement rings. These precision-machined rotors are direct replacements for Girodisc two-piece systems and mount to your existing aluminum hats using the included floating hardware kit. Each ring is crafted from Girodisc’s proprietary high-carbon cast-iron alloy, delivering outstanding heat control, fade resistance, and smooth pedal feedback under repeated high-load braking. Vehicle Fitment Compatible with:• Porsche 996 Carrera 4S (2002 – 2005)• Porsche 997 Carrera S / 4S (2005 – 2012)• Porsche 997 GTS (2010 – 2012)Note: Designed exclusively for Girodisc 350 mm 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 350 mm two-piece front rotors• High-carbon iron construction for stable friction and thermal control• Directional curved vanes maximize cooling efficiency• Maintains OEM brake bias and ABS calibration• Precision-balanced for vibration-free performance• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 350 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rotor rings and hardware kit• Sold/priced per pair Girodisc D1-032 Porsche 350 mm Front Replacement Ring FAQs Will these fit OEM Porsche rotor hats? No. These rings are engineered specifically for Girodisc aluminum hats and cannot be used with factory one-piece rotors. What pad compounds work best with these rotors? For street and spirited use, Ferodo DS2500 or Hawk HPS 5.0 are ideal. For track days, Pagid RS29 or Carbotech XP12 deliver exceptional fade control and braking stability. Are these rotors directional? Yes. Each rotor is clearly marked left and right to ensure the internal curved vanes flow air through the rotor for optimal cooling. How should the hardware be torqued? Tighten each bolt to 12 ft-lbs (16 Nm) using blue Loctite. Recheck torque after one full heat cycle to confirm proper float and hardware security. Upgrade your Porsche’s braking system with Girodisc D1-032 350 mm front replacement rings — precision-built for heat management, durability, and track-ready stopping power.

Girodisc Ford GT ('05–'06) Front Replacement Rings Bring your Ford GT’s braking system back to peak performance with Girodisc 355mm front replacement rings. Designed as direct replacements for existing Girodisc two-piece assemblies, these high-carbon iron rings offer the perfect balance of race-grade stopping power and durability for street or track use. Vehicle Fitment Compatible with:• 2005 Ford GT• 2006 Ford GTNote: These are replacement friction rings only and are designed to bolt directly to existing Girodisc aluminum hats using the supplied hardware kit. Engineered for Precision and Performance Each Girodisc replacement ring is manufactured in the USA from a proprietary high-carbon cast iron alloy, optimized for heat stability, wear resistance, and consistent friction characteristics. The 48 curved directional vanes act as a centrifugal air pump, drawing cooling air through the rotor for efficient heat dissipation under high braking loads. The result is dependable braking performance, lap after lap, with reduced fade and vibration. Features • Direct replacement for Girodisc front two-piece rotor assemblies• Designed for 2005–2006 Ford GT• Proprietary high-carbon cast iron construction• 48 curved directional vanes for improved cooling• Machined, balanced, and finished in the USA• Includes new floating hardware kit• Sold/priced per pair Specifications • Diameter: 355mm• Position: Front• Material: High-carbon cast iron• Includes: Two replacement rings and full hardware kit• Made in the USA• Sold/priced per pair Girodisc D1-043 Replacement Ring FAQs Do these fit the factory Ford GT carbon-ceramic rotors? No. These are only for vehicles equipped with Girodisc two-piece iron rotor assemblies. Will I need new aluminum hats? Not unless your existing hats are damaged. Girodisc rings are designed for easy installation onto your existing hats using the provided hardware. Are these suitable for track use? Yes — Girodisc rotors are designed for high thermal loads typical in track environments while maintaining street-friendly operation. Do the rings include new hardware? Yes. Each set includes new floating pins, washers, and bolts to ensure proper installation and longevity. Maintain the precision braking your Ford GT deserves with Girodisc D1-043 front replacement rings — American-made, track-proven, and built for performance that lasts.

D1-047 Girodisc Front Rotor Rings Keep your braking system in peak condition with Girodisc D1-047 350x32mm front replacement rings. These precision-machined rotors are direct replacements for Girodisc’s two-piece assemblies and bolt to your existing aluminum hats using the included floating hardware kit. Each rotor is cast from Girodisc’s proprietary high-carbon iron alloy, delivering superior heat control, fade resistance, and consistent performance under repeated high-load braking. Vehicle Fitment Universal fit for performance vehicles utilizing Girodisc 350x32mm two-piece front rotor systems, including:• Custom Brembo GT, AP Racing, and StopTech big brake conversions• Track-prepared cars with 350mm iron rotor setupsNote: These rings are for Girodisc aluminum hats only and are 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 350x32mm two-piece front rotors• CNC-machined from high-carbon cast iron for superior thermal capacity• Directional curved vanes promote airflow for improved cooling• Maintains brake balance and ABS function when paired with Girodisc systems• Precision-balanced to eliminate vibration• Designed for track, competition, and high-performance street use Specifications • Diameter: 350 mm• Thickness: 32 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rotor rings and full hardware kit• Sold/priced per pair D1-047 Girodisc 350x32mm Front Ring FAQs Do these fit OEM rotor hats? No. These are designed only for Girodisc aluminum hats and are not compatible with OEM cast or carbon-ceramic assemblies. Which brake pads are recommended? For street and performance driving, Ferodo DS2500 or Hawk HPS 5.0 are ideal. For heavy track use, Pagid RS29 or Carbotech XP10 pads provide optimal bite and temperature stability. Do these need to be bedded in? Yes. Perform 8–10 moderate stops from 60 mph to evenly transfer pad material to the rotor surface and ensure consistent friction performance. What torque should be used on the mounting bolts? Torque each bolt to 12 ft-lbs (16 Nm) with blue Loctite. Recheck after one heat cycle for proper float and secure installation. Renew your braking system’s precision and power with Girodisc D1-047 350x32mm front replacement rings — engineered for control, cooling, and reliability on street or circuit.

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

D1-066 Girodisc 380x34mm Front Replacement Rotor Rings Maintain the stopping power of your high-performance braking system with Girodisc D1-066 380x34mm front replacement rings. Designed for use with Girodisc two-piece rotor assemblies, these rings bolt directly to your existing aluminum hats using the included floating hardware kit. Each rotor is machined from Girodisc’s proprietary high-carbon cast iron alloy, delivering exceptional thermal capacity, fade resistance, and consistent friction for both street and track applications. Vehicle Fitment Universal fit for vehicles using Girodisc 380x34mm two-piece front rotor systems, including:• Performance brake conversions using 380x34mm rotors• Custom Brembo GT, AP Racing, and StopTech systems adapted for Girodisc hardwareNote: These replacement rings are designed exclusively for Girodisc aluminum hats. 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 380x34mm two-piece front rotors• High-carbon iron alloy construction provides excellent thermal stability• Directional curved vanes promote airflow and reduce heat buildup• Maintains proper brake balance and ABS function when used in matched systems• Precision-balanced for vibration-free braking• Designed for track, competition, and performance street applications Specifications • Diameter: 380 mm• Thickness: 34 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 D1-066 380x34mm Front Ring FAQs Can these rotors fit OEM performance systems? No. These are designed for Girodisc two-piece aluminum hats and are not compatible with OEM or other aftermarket cast rotor assemblies. What pad compounds are recommended? For dual-use street and track driving, Ferodo DS1.11 or Pagid RS29 pads are ideal. For endurance racing, Pagid RSL1 provide exceptional high-temperature stability. Do these require a specific bedding procedure? Yes. Perform 8–10 medium stops from 60 mph, then allow the brakes to cool fully. This ensures proper pad transfer and optimal rotor surface conditioning. What torque should I apply to the floating hardware? Tighten all bolts to 12 ft-lbs (16 Nm) using blue Loctite. Recheck torque after one full heat cycle to confirm secure float and alignment. Keep your braking system race-ready with Girodisc D1-066 380x34mm front replacement rings — engineered for precision, endurance, and superior heat control on street or circuit.

D1-067 Girodisc Ford S550 Mustang (w/ Brembo) Front Replacement Rings Optimize your Mustang’s braking performance with Girodisc D1-067 380mm front replacement rings. These precision-machined rotors are direct replacements for Girodisc’s two-piece systems and bolt to your existing aluminum hats using the included floating hardware kit. Built from Girodisc’s proprietary high-carbon cast iron, these rings deliver exceptional heat resistance, fade control, and consistent braking feel during both street and track use. Vehicle Fitment Compatible with:• Ford Mustang GT (S550, 2015–2023) with Performance Pack (Brembo 6-piston front brakes)• Ford Mustang GT350 (2016–2020)• Ford Mustang Mach 1 (2021–2023)Note: Designed exclusively for Girodisc 380mm two-piece front rotor systems. Not compatible with OEM one-piece rotors or carbon-ceramic assemblies. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 380mm two-piece front rotors• CNC-machined from high-carbon cast iron for superior durability and heat management• Directional curved vanes increase airflow and cooling efficiency• Maintains OEM brake bias, ABS, and traction control calibration• Precision-balanced to eliminate vibration and ensure smooth braking• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 380 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 D1-067 Ford S550 Mustang Front Ring FAQs Will these fit OEM Mustang Brembo rotors? No. These replacement rings are designed specifically for Girodisc aluminum hats and cannot mount to OEM one-piece Brembo rotors. What brake pads pair best with these rotors? For street and spirited driving, Ferodo DS2500 pads are excellent. For heavy track use, Pagid RSL29 or Carbotech XP12 deliver superior bite and fade resistance. Are these rotors directional? Yes. Each rotor is labeled for left and right sides. Proper installation ensures the internal vanes draw air through the rotor for maximum cooling under load. What torque should be applied to the hardware bolts? Torque to 12 ft-lbs (16 Nm) using blue Loctite. After one complete heat cycle, recheck torque to ensure proper float and hardware integrity. Upgrade your Mustang’s stopping performance with Girodisc D1-067 380mm front replacement rings — engineered for cooling efficiency, reduced fade, and consistent braking feel lap after lap.

D1-070 Girodisc Ferrari 328 GTB/GTS, Mondial Front Replacement Rings Preserve the authentic driving feel of your classic Ferrari with Girodisc D1-070 300mm front replacement rings. These precision-engineered components are direct replacements for Girodisc two-piece rotor systems, bolting to your existing aluminum hats using the included floating hardware kit. Each ring is crafted from Girodisc’s proprietary high-carbon cast iron, ensuring optimal heat capacity, improved cooling, and consistent braking performance for both road and track driving. Vehicle Fitment Compatible with:• Ferrari 328 GTB (1985–1989)• Ferrari 328 GTS (1985–1989)• Ferrari Mondial 3.2 (1985–1988)• Ferrari Mondial T (1989–1993)Note: Designed exclusively for Girodisc 300mm two-piece front rotor systems. Not compatible with OEM one-piece rotors or carbon-ceramic conversions. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 300mm two-piece front rotors• High-carbon iron alloy provides exceptional heat resistance and stable friction• Directional curved vanes improve airflow and thermal balance• Maintains factory brake bias and pedal feel• Precision-balanced to minimize vibration• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 300 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rotor rings and full hardware kit• Sold/priced per pair Girodisc D1-070 Ferrari 328 GTB/GTS, Mondial Front Replacement Ring FAQs Can these be used with OEM Ferrari rotor hats? No. These replacement rings are made exclusively for Girodisc aluminum hats and will not fit OEM or aftermarket one-piece rotors. What pad compounds are recommended? For spirited road use, Ferodo DS2500 or Pagid RS42 pads pair perfectly. For track driving, Pagid RSL29 provide excellent high-temperature control. Are these rotors directional? Yes. Each rotor is labeled for left and right installation, ensuring proper airflow through the internal curved vanes for optimal cooling. Do these improve performance over OEM rotors? Absolutely. The two-piece design reduces unsprung weight and improves heat dissipation, leading to stronger, more consistent braking under repeated load. Enhance your classic Ferrari’s braking system with Girodisc D1-070 300mm front replacement rings — engineered for precision, cooling efficiency, and authentic performance worthy of Maranello’s legacy.

D1-078 Girodisc Alfa Romeo 4C Front Replacement Rings Upgrade your Alfa Romeo 4C’s stopping power with Girodisc D1-078 305mm front replacement rings. Designed as direct replacements for Girodisc’s two-piece rotor systems, these precision-machined rings bolt onto your existing Girodisc aluminum hats using the supplied floating hardware kit. Each ring is made from Girodisc’s proprietary high-carbon cast iron for improved thermal control, consistent pedal feel, and fade-free braking under demanding conditions. Vehicle Fitment Compatible with:• Alfa Romeo 4C (2015–2020)• Fits Girodisc 305mm two-piece front rotor systemsNote: These rings are designed for Girodisc aluminum hats only. They are 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 305mm two-piece front rotors• CNC-machined from high-carbon iron alloy for strength and consistent performance• Directional curved vanes optimize cooling and reduce heat buildup• Maintains OEM brake bias, ABS, and ESC calibration• Lightweight two-piece design reduces unsprung weight• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 305 mm• Position: Front• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rotor rings and hardware kit• Sold/priced per pair Girodisc D1-078 Alfa Romeo 4C Front Ring FAQs Can these be used with factory Alfa Romeo rotors? No. These are designed only for Girodisc aluminum hats and cannot mount to OEM one-piece rotors or hardware. Do these rotors improve braking over stock? Yes. The high-carbon alloy and floating design improve thermal stability, reduce fade, and enhance braking modulation during aggressive driving or track sessions. What pad compounds are recommended? For street and light track use, Ferodo DS2500 or Hawk HPS 5.0 provide excellent control. For racing, Pagid RS29 or Endless ME20 deliver superior high-temp performance. What torque should I use on the rotor bolts? Torque each fastener to 12 ft-lbs (16 Nm) using blue Loctite. Recheck after one full heat cycle to ensure proper float and hardware security. Enhance your Alfa Romeo 4C’s agility and braking consistency with Girodisc D1-078 305mm front replacement rings — precision-built for lightweight performance, heat control, and lasting durability.