Girodisc Rotors

D1-123 Girodisc Mercedes 390mm Front Replacement Rings Maintain the uncompromising stopping performance of your AMG with Girodisc D1-123 390mm front replacement rings. These precision-engineered rings are designed as direct replacements for Girodisc’s two-piece systems, bolting to your existing aluminum hats using the supplied floating hardware kit. Each rotor is machined from Girodisc’s proprietary high-carbon cast iron to deliver outstanding heat control, consistent braking feel, and fade resistance in both spirited road and track use. Vehicle Fitment Compatible with:• Mercedes-Benz C63 AMG (W204, 2008–2015)• Mercedes-Benz E63 AMG (W212, 2010–2016)• Mercedes-Benz CLS63 AMG (C218, 2012–2017)• Mercedes-Benz S63 AMG (W222, 2014–2017) – Iron rotor conversionNote: Designed for Girodisc 390mm two-piece front rotor systems. Not compatible with OEM one-piece or carbon-ceramic discs. 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 iron alloy for superior heat resistance• Directional curved vanes maximize airflow and cooling efficiency• Maintains factory brake bias, ABS, and ESP calibration• Precision-balanced to eliminate vibration and maintain pedal feel• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 390 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 D1-123 Mercedes 390mm Front Replacement Ring FAQs Can these fit the factory AMG rotor hats? No. The D1-123 rings are designed exclusively for Girodisc aluminum hats and cannot mount to OEM one-piece or carbon-ceramic assemblies. What pad compounds pair best with these rotors? For street and light track use, Ferodo DS2500 or Pagid RS29 pads perform well. For dedicated track work, use Pagid RSL1 or Endless ME20 for optimal friction and fade resistance. Do these rotors require a specific bedding process? Yes. Perform 8–10 moderate stops from 60 mph to evenly transfer pad material, then allow the brakes to cool completely before hard use. Are these rotors directional? Yes. Each ring is labeled for left or right installation to ensure proper airflow through the internal vanes for maximum cooling. Upgrade your AMG’s braking capability with Girodisc D1-123 390mm front replacement rings — engineered for performance, heat control, and reliability under the most demanding conditions.

Girodisc Porsche 997 GT3 Front Rings Maintain your Porsche’s legendary braking precision with Girodisc D1-127 380mm front replacement rings. Designed as direct replacements for Girodisc’s two-piece systems, these high-performance rings bolt to your existing aluminum hats using the included floating hardware kit. Each rotor is machined from Girodisc’s proprietary high-carbon cast iron for superior heat management, consistent friction, and fade-free performance in both street and track environments. Vehicle Fitment Compatible with:• Porsche 997 GT3 (2006–2011)• Porsche 997 GT3 RS (2007–2011)• Porsche 997.2 GT3 and GT3 RS (380mm front rotors)Note: Designed for Girodisc 380mm two-piece front rotor systems. Not compatible with OEM PCCB carbon-ceramic rotors or one-piece iron discs. 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 iron alloy for maximum thermal stability• Directional curved vanes optimize airflow and cooling efficiency• Maintains factory brake bias, ABS, and PSM calibration• Precision-balanced to eliminate vibration and ensure smooth operation• Designed exclusively for Girodisc aluminum hats used in GT3 applications 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 D1-127 Porsche 997 GT3 Front Ring FAQs Will these fit the OEM Porsche GT3 rotor hats? No. These replacement rings are designed specifically for Girodisc aluminum hats and are not compatible with OEM one-piece or PCCB setups. Which brake pads perform best with these rotors? For spirited road use, Ferodo DS2500 or Hawk HPS pads work well. For track and racing use, Pagid RS29 or Endless ME20 offer high-temp stability and consistent bite. What torque should I apply to the hardware bolts? Torque to 12 ft-lbs (16 Nm) using blue Loctite. Recheck after the first full heat cycle to ensure even seating and proper float. Are these rotors directional? Yes. Each rotor is marked for left or right installation, ensuring the internal vanes pull air through the disc to maximize cooling under sustained braking. Refresh your GT3’s braking system with Girodisc D1-127 380mm front replacement rings — engineered for durability, precision, and race-proven performance lap after lap.

D1-130 Girodisc Audi B8 S4, S5 Front Replacement Rings Enhance your Audi S4 or S5’s braking performance with Girodisc D1-130 345mm front replacement rings. These precision-machined rings bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit. Each ring is crafted from Girodisc’s proprietary high-carbon cast iron, delivering improved cooling, reduced fade, and exceptional pedal consistency during high-performance street or track use. Vehicle Fitment Compatible with:• Audi S4 (B8/B8.5, 2010–2016)• Audi S5 Coupe & Cabriolet (B8/B8.5, 2008–2017)• Audi SQ5 (2014–2017)Note: Designed exclusively for Girodisc 345mm 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 345mm two-piece front rotors• CNC-machined from high-carbon iron alloy for maximum strength and heat resistance• Directional curved vanes promote airflow and enhance heat dissipation• Maintains factory brake bias, ABS, and ESC calibration• Balanced and inspected to eliminate vibration• 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 hardware kit• Sold/priced per pair Girodisc D1-130 Audi B8 S4/S5 Front Ring FAQs Can I use these rings with the OEM Audi rotor hats? No. These rings are only compatible with Girodisc aluminum hats and cannot mount to factory one-piece or ceramic setups. Which pad compounds are recommended? For street and light track use, Ferodo DS2500 are ideal. For aggressive track applications, use Pagid RS29 for consistent high-temperature performance. Are these rotors directional? Yes. Each rotor is clearly marked for left or right installation, ensuring the curved vanes channel air correctly through the disc for optimal cooling. What torque specification should I use on the hardware? Tighten all hardware bolts to 12 ft-lbs (16 Nm) using blue Loctite, and recheck torque after one full heat cycle or track session. Upgrade your Audi’s braking system with Girodisc D1-130 345mm front replacement rings — engineered for precision cooling, superior modulation, and performance that endures lap after lap.

Girodisc Ferrari F430 Front Iron Rotor Conversion Replacement Rings Refresh your Ferrari F430’s braking performance with Girodisc front replacement rings. Designed as direct replacements for Girodisc’s iron rotor conversion system, these high-carbon iron rings deliver exceptional durability, consistent friction, and improved heat management for both street and track driving. Vehicle Fitment Compatible with:• Ferrari F430 (All Models)• Ferrari F430 ScuderiaNote: These are replacement friction rings only and mount directly to existing Girodisc aluminum hats using the supplied hardware kit. Precision-Engineered for Ferrari Performance Each Girodisc ring is crafted from a proprietary high-carbon iron casting, formulated to handle the intense thermal loads of high-speed braking. The curved vane internal design acts as a centrifugal air pump, pulling cool air through the rotor to reduce fade and maintain stable pedal feel. Machined and finished in the USA, Girodisc rotors provide the reliability and serviceability demanded by serious Ferrari drivers. Features • Direct replacements for Girodisc front rotor assemblies on the Ferrari F430• High-carbon iron casting for superior heat dissipation and strength• Curved vane design enhances cooling airflow• Includes full hardware set for reassembly• Designed exclusively for Girodisc aluminum hats• Made and machined in the USA• Sold/priced per pair Specifications • Application: Front axle• Vehicle: Ferrari F430 / F430 Scuderia• Material: High-carbon cast iron• Includes new hardware• Made in the USA• Sold/priced per pair Girodisc D1-133 Replacement Ring FAQs Can I reuse my Girodisc aluminum hats? Yes, these rings are designed to bolt directly to your existing Girodisc hats with the included hardware kit. Do these fit OEM Ferrari carbon-ceramic setups? No. These rings are intended only for the Girodisc iron rotor conversion system, not OEM PCCB assemblies. How often should I replace the rings? Replacement intervals depend on driving style, but Girodisc recommends replacement when the rotors reach minimum thickness or develop cracks to the outer edge. Are these suitable for both track and street use? Yes. These rings are optimized for dual-purpose performance, offering fade-free stopping on track and smooth, quiet operation for street driving. Maintain the precision and braking control of your Ferrari F430 with Girodisc D1-133 replacement rings — engineered for rebuildability, performance, and long-term value.

Girodisc Front Replacement Rings for Porsche 981 / 718 Restore your braking performance without replacing the entire rotor assembly. Girodisc D1-035 front replacement rings are sold in pairs and include all new hardware. Simply bolt them to your existing Girodisc hats to bring your braking system back to peak performance. D1-135 Vehicle fitment • Porsche 981 / 718 Cayman & Boxster (front axle) equipped with Girodisc 2-piece rotors.• Compatible exclusively with Girodisc aluminum hats; not designed for use with OEM or other aftermarket hats, even on factory 2-piece rotor vehicles. Note: Always verify hat ID, bolt pattern, and rotor outer diameter compatibility before installation. Precision-engineered replacement solution Each D1-135 ring is manufactured from high-carbon cast iron and heat-treated for durability. These rings are a direct replacement for worn Girodisc rings, allowing you to keep your lightweight aluminum hats and floating hardware while restoring performance. D1-135 Features • Sold as a pair with all replacement mounting hardware• High-carbon cast iron rotor rings• Bolt-on fitment to Girodisc hats (no modifications required)• Balanced and heat-treated for consistent performance• Compatible with Girodisc floating rotor design using drive pins, washers, and spring clips• Manufactured in-house in Bellingham, WA from domestically sourced materials• Designed for longevity and serviceability Service guidance • Replace rings when thickness reaches the minimum specification or if cracks extend to the ring edge.• Reuse Girodisc hats and install new D1-135 rings with supplied hardware for a cost-effective refresh. Get your Porsche 981 / 718 back to maximum braking performance with Girodisc D1-135 front replacement rings—an efficient, high-quality service solution designed to keep you on track.

D1-152 Girodisc Audi Front Rings Enhance your Audi’s stopping power with Girodisc D1-152 370x32mm front replacement rings. These precision-engineered rotors are designed as direct replacements for Girodisc two-piece systems, bolting to your existing aluminum hats with the included floating hardware kit. Each rotor ring is machined from Girodisc’s proprietary high-carbon iron alloy for outstanding heat control, consistency, and fade resistance during spirited street driving or full track use. Vehicle Fitment Compatible with:• Audi RS5 (B8/B8.5, 2013–2015)• Audi S6 / S7 (C7, 2013–2018)• Audi A6 / A7 3.0T (Performance package models)Note: Designed exclusively for Girodisc 370x32mm 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 370x32mm two-piece front rotors• CNC-machined from high-carbon cast iron for exceptional thermal performance• Directional curved vanes maximize airflow and cooling capacity• Maintains OEM brake bias, ABS, and ESC calibration• Balanced to eliminate vibration and ensure smooth, quiet braking• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 370 mm• Thickness: 32 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 D1-152 Audi Front Replacement Ring FAQs Can I use these rings with factory Audi rotor hats? No. These are designed specifically for Girodisc aluminum hats and will not mount to OEM one-piece or ceramic hats. What pad compounds pair best with these rotors? For street/track versatility, use Ferodo DS2500 or Pagid RS29 pads. For pure track work, Carbotech XP10 provide excellent high-temp consistency. Do these require a specific bedding-in procedure? Yes. Perform 8–10 moderate stops from 60 mph to properly transfer pad material, then allow the rotors to fully cool before heavy use. What torque settings should be used for hardware bolts? Torque to 12 ft-lbs (16 Nm) with blue Loctite applied. After one heat cycle, verify all fasteners remain tight before further use. Upgrade your Audi RS or S model with Girodisc D1-152 370x32mm front replacement rings — engineered for precise fitment, superior cooling, and race-ready performance without compromise.

D1-157 Girodisc BMW E9X M3 Front Replacement Rings Restore the high-performance braking balance of your BMW M3 with Girodisc D1-157 380mm front replacement rings. These precision-machined components bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Each ring is made from Girodisc’s proprietary high-carbon cast iron, delivering exceptional cooling capacity, consistent pedal feedback, and fade-free performance under repeated heavy braking. Vehicle Fitment Compatible with:• BMW E90 M3 Sedan (2008–2011)• BMW E92 M3 Coupe (2008–2013)• BMW E93 M3 Convertible (2008–2013)Note: Designed exclusively for Girodisc 380mm 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 380mm two-piece front rotors• CNC-machined from high-carbon cast iron for improved thermal stability and durability• Directional curved vanes maximize airflow and rotor cooling• Maintains factory brake bias, ABS, and DSC calibration• Precision-balanced for vibration-free braking performance• 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 D1-157 BMW E9X M3 Front Ring FAQs Do these fit the OEM M3 rotor hats? No. These are designed only for Girodisc aluminum hats and will not fit OEM one-piece rotors or carbon-ceramic conversions. What pad compounds are recommended for this setup? For street use, Ferodo DS2500 or Hawk HPS 5.0 pads work well. For track days, Pagid RS29 or Endless MX72 provide stable friction and fade resistance. What torque should be used for the floating hardware? Torque each bolt to 12 ft-lbs (16 Nm) with blue Loctite. After the first track session, recheck hardware torque for consistency. Do these rotors improve braking feel? Yes. The two-piece floating design reduces unsprung weight and improves pedal modulation by managing heat transfer more efficiently than factory rotors. Upgrade your BMW E9X M3’s braking system with Girodisc D1-157 380mm front replacement rings — engineered for endurance, balance, and precision braking on both street and circuit.

D1-159 Girodisc McLaren 394mm Front Replacement Rings Renew your McLaren’s braking performance with Girodisc D1-159 394mm front replacement rings. These precision-engineered components bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit. Each ring is machined from Girodisc’s proprietary high-carbon cast iron for superior thermal control, balanced response, and fade-free braking under extreme track conditions. Vehicle Fitment Compatible with:• McLaren 540C / 570S / 570GT / 600LT (Front)• McLaren 650S / 675LT (Front)• McLaren MP4-12C (Front)Note: Designed for Girodisc 394mm two-piece front rotor systems. Not compatible with OEM carbon-ceramic rotors or one-piece iron discs. 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 durability and high-temperature stability• Directional curved vanes accelerate airflow for maximum cooling efficiency• Maintains factory brake bias, ABS, and stability control calibration• Precision-balanced for smooth, vibration-free operation• Designed exclusively for Girodisc aluminum hats used in McLaren iron-conversion systems Specifications • Diameter: 394 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 D1-159 McLaren 394mm Front Replacement Ring FAQs Can I use these with McLaren’s OEM carbon-ceramic rotors? No. These are for Girodisc steel rotor conversions only and will not fit OEM ceramic brake hardware. What pad compounds are best suited for these rotors? For street/track mix, Pagid RS29 or Ferodo DS2500 pads are excellent. For full track duty, Pagid RSL1 or Endless ME20 are ideal high-temp options. Are these rotors directional? Yes. Each rotor is marked for left and right orientation to ensure the curved vanes channel airflow correctly through the disc for optimal cooling. What’s the service life of these rotors under track use? Typically 20–30 hours of hard circuit time depending on track layout, pad compound, and cooling efficiency. Street-driven cars often exceed 40,000 miles. Upgrade your McLaren’s braking precision with Girodisc D1-159 394mm front replacement rings — race-bred components engineered for stability, cooling, and performance at any speed.

Girodisc Ford Shelby GT350 Front Rings Maintain peak braking performance in your GT350 or GT350R with Girodisc D1-162 394mm front replacement rings. These high-performance rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Machined from Girodisc’s proprietary high-carbon cast iron, they deliver superior heat dissipation, reduced unsprung weight, and consistent braking power under the extreme temperatures of track use. Vehicle Fitment Compatible with:• Ford Mustang Shelby GT350 (2016–2020)• Ford Mustang Shelby GT350R (2016–2020)Note: Designed exclusively for Girodisc 394mm 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 394mm two-piece front rotors• CNC-machined from high-carbon cast iron for maximum strength and heat resistance• Directional curved vanes increase airflow and cooling• Maintains OEM brake bias and ABS calibration• Precision-balanced to eliminate vibration and ensure smooth braking• 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 full hardware kit• Sold/priced per pair Girodisc D1-162 Ford Shelby GT350 Front Replacement Ring FAQs Do these work with OEM GT350 hats? No. The Girodisc D1-162 rings are designed to bolt only to Girodisc aluminum hats. OEM one-piece or carbon-ceramic systems are not compatible. What pad compounds pair best with these rotors? For mixed street/track driving, Ferodo DS2500 or Hawk HPS 5.0 are excellent choices. For full track use, Girodisc recommends Pagid RSL 1 or Carbotech XP12 compounds. What torque should I use for the hardware bolts? Torque each bolt to 12 ft-lbs (16 Nm) with blue Loctite, and recheck after the first full heat cycle. Are these rotors directional? Yes. Each rotor is marked for left and right use. Installing them correctly ensures proper airflow through the curved cooling vanes for maximum heat dissipation. Upgrade your GT350’s braking confidence with Girodisc D1-162 394mm front replacement rings — engineered for precision, strength, and endurance on street or circuit.

Girodisc 390x34mm Front Rings Service your performance braking system with Girodisc D1-163 390x34mm front replacement rings. These precision-machined components bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit. Each ring is crafted from Girodisc’s proprietary high-carbon cast iron alloy to ensure exceptional heat dissipation, consistent friction characteristics, and long-term reliability under heavy braking loads. Vehicle Fitment Compatible with:• Custom and motorsport applications using Girodisc 390x34mm two-piece front rotors• Commonly fitted to upgraded systems on Porsche, BMW, and Audi track platforms using large six-piston calipersNote: Designed exclusively for Girodisc 390x34mm two-piece front rotor systems. Verify hat bolt pattern and offset before installation. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 390x34mm two-piece front rotors• CNC-machined from high-carbon cast iron for optimal thermal stability• Directional curved vanes channel airflow for maximum cooling• Maintains proper brake bias and ABS calibration• Precision-balanced to prevent vibration or pulsation• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 390 mm• Thickness: 34 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 D1-163 Front Replacement Ring FAQs What cars typically use this 390x34mm rotor size? This ring size is common on large six-piston BBK setups from Brembo, AP Racing, and StopTech used on Porsche 991, BMW F8X, and Audi RS applications when fitted with Girodisc hats. Can these be installed on non-Girodisc hats? No. The mounting pattern and float hardware are specific to Girodisc aluminum hats. Using other hats may cause clearance or balance issues. What torque should I apply to the floating hardware? Torque each bolt to 12 ft-lbs (16 Nm) with blue Loctite. Recheck after the first heat cycle to ensure hardware seating. How do I know when it’s time to replace the rings? Replace when rotor thickness reaches the minimum spec or if radial cracking extends beyond 70% of the face slot length — whichever occurs first. Girodisc D1-163 390x34mm front replacement rings deliver precision, durability, and race-proven performance for drivers demanding the highest level of stopping power and thermal control.

Girodisc Lamborghini Gallardo Super Trofeo Front Replacement Rings Maintain the world-class stopping power of your Gallardo Super Trofeo with Girodisc D1-168 380mm front replacement rings. Designed as direct replacements for the Girodisc two-piece racing rotor system, these rings bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit. Precision-machined from high-carbon cast iron, they deliver consistent braking torque, improved thermal stability, and unmatched fade resistance through repeated high-G deceleration. Vehicle Fitment Compatible with:• Lamborghini Gallardo LP570-4 Super Trofeo (2009–2013)• Lamborghini Gallardo LP560-4 and LP550 models with Super Trofeo braking upgrades• Reiter Engineering Gallardo GT3 and GT3 FL2Note: Designed exclusively for Girodisc 380mm 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 380mm two-piece front rotors• High-carbon cast-iron construction ensures stability and fade resistance at race temperatures• Directional curved vanes maximize airflow and cooling efficiency• Precision-machined and balanced in the USA• Maintains OEM brake bias and pedal feel• Designed exclusively for Girodisc aluminum hats used in Super Trofeo systems 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 new hardware kit• Sold/priced per pair Girodisc D1-168 Lamborghini Front Ring FAQs Can these rotors be used with OEM carbon-ceramic systems? No. The D1-168 rings are designed for Girodisc steel rotor conversions and will not fit OEM carbon-ceramic hardware. What pad compounds are recommended for track use? Pagid RS29, Ferodo DS3.12, or Endless ME20 are ideal for maintaining consistent friction under race conditions. Do these require any special bedding-in procedure? Yes. Use Girodisc’s recommended procedure — 8–10 moderate stops from 60 mph to evenly transfer pad material, followed by full cooldown before track use. What’s the expected service life for endurance racing? Under typical Super Trofeo race conditions, these rings can deliver 20–30 hours of track use before inspection or replacement, depending on pad aggressiveness and cooling setup. Refresh your Gallardo Super Trofeo’s braking confidence with Girodisc D1-168 380mm front replacement rings — engineered for durability, balance, and fade-free performance in the world’s most demanding racing environments.

D1-169 Girodisc Ford Focus RS Front Rings Revive the braking performance of your Focus RS with Girodisc D1-169 350mm front replacement rings. Designed as direct replacements for Girodisc two-piece rotors, these precision-machined rings bolt directly to your existing aluminum hats using the supplied floating hardware kit. Each ring is crafted from Girodisc’s proprietary high-carbon iron alloy, offering superior heat resistance, fade-free stopping power, and consistent pedal feel even during repeated hard braking. Vehicle Fitment Compatible with:• Ford Focus RS (MK3, 2016–2018)• Focus RS equipped with Brembo 4-piston front calipersNote: Designed exclusively for Girodisc 350mm 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 350mm two-piece front rotors• CNC-machined from high-carbon cast iron for maximum strength and heat control• Directional curved vanes promote efficient air cooling through the disc• Maintains OEM brake bias, ABS, and ESC performance• Precision-balanced for vibration-free braking• 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 new hardware kit• Sold/priced per pair Girodisc D1-169 Ford Focus RS Front Ring FAQs Do these fit the factory Focus RS rotors or hats? No. These are designed specifically for Girodisc aluminum hats and will not fit the OEM Brembo one-piece setup. What pad compounds pair best with these rotors? For mixed use, Ferodo DS2500 or Hawk HPS 5.0 pads work best. For track, use DS1.11 or Carbotech XP10 for optimal bite and temperature range. What torque should I use for the floating hardware bolts? Tighten to 12 ft-lbs (16 Nm) with blue Loctite. Recheck torque after the first heat cycle for best reliability. Are these rotors directional? Yes. Each rotor is marked for left or right use — follow the engraved rotation arrow to ensure correct vane airflow during installation. Upgrade your Focus RS braking system with Girodisc D1-169 350mm front replacement rings — engineered for balance, cooling, and repeatable high-performance stopping power.

Girodisc Acura NSX Front Replacement Rings Bring your Acura NSX braking system back to peak performance with Girodisc 370mm front replacement rings. Designed as direct replacements for existing Girodisc two-piece rotor assemblies, these high-carbon iron rings deliver the heat control, balance, and precision stopping power the NSX platform demands. Vehicle Fitment Compatible with:• 2017–2022 Acura NSX (NC1)• 1991–2005 Acura NSX (with Girodisc or comparable 370mm big brake kit)Note: These are friction rings only. They attach directly to existing Girodisc aluminum hats using the supplied hardware kit. Engineered for Performance and Longevity Each Girodisc replacement ring is made from a proprietary high-carbon cast iron alloy, developed to handle the extreme heat and stress of performance driving. Precision-machined and balanced in the USA, these rings feature a curved vane internal design that acts as a centrifugal air pump, drawing air through the rotor to maintain consistent cooling under high-speed braking. Whether you’re on canyon roads or the track, Girodisc ensures consistent pedal feel and fade-free braking. Features • Direct replacement for 370mm Girodisc front rotor assemblies• Designed for Acura NSX (NC1) and earlier models with Girodisc big brake kits• High-carbon iron construction for thermal stability and durability• Curved directional vanes improve airflow and cooling• Machined, balanced, and finished in the USA• Includes new floating hardware kit• Sold/priced per pair Specifications • Diameter: 370mm• Position: Front• Material: High-carbon cast iron• Includes: Two rotor rings and full hardware kit• Made in the USA• Sold/priced per pair Girodisc D1-174 Replacement Ring FAQs Are these compatible with OEM NSX rotors? No. These replacement rings are designed specifically for Girodisc two-piece rotor systems or equivalent aluminum-hat setups. Do they include hardware? Yes. Each pair ships with a complete hardware kit including floating pins, washers, and bolts. Will these work on both first- and second-generation NSX models? They fit directly on the second-gen NSX (NC1) and first-gen models equipped with Girodisc 370mm rotor systems or compatible hats. Are these suitable for track driving? Absolutely. Girodisc rotors are built for high-performance and endurance use, maintaining stable braking through repeated high-heat cycles. Restore the legendary stopping power of your NSX with Girodisc D1-174 370mm front replacement rings — precision-engineered, American-made, and built for uncompromising performance.

D1-179 Girodisc Audi Front Rings Restore peak braking precision in your Audi RS or S model with Girodisc D1-179 370x34mm front replacement rings. These precision-machined components bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Constructed from high-carbon cast iron, they offer improved heat management, reduced unsprung weight, and fade-free performance during aggressive street or track use. Vehicle Fitment Compatible with:• Audi RS5 (B8/B8.5, 2013–2015)• Audi RS4 (B8, 2013–2015)• Audi S6 / S7 (C7, 2013–2018)• Audi A6 / A7 3.0T with Performance Brake PackageNote: Designed exclusively for Girodisc 370x34mm two-piece front rotor systems. Not compatible with OEM one-piece or carbon-ceramic rotors. Features • Sold as a left/right pair with full floating hardware kit• Direct replacements for Girodisc 370x34mm two-piece front rotors• Cast from proprietary high-carbon iron alloy for superior thermal stability• Directional curved vanes channel air for maximum cooling• Maintains OEM brake bias and ABS/ESC function• Dynamically balanced for smooth, vibration-free operation• Designed exclusively for Girodisc aluminum hats Specifications • Diameter: 370 mm• Thickness: 34 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 D1-179 Audi 370x34mm Front Ring FAQs Will these fit OEM Audi rotor hats? No. The D1-179 rings are specifically designed to mount to Girodisc aluminum hats only, not factory or carbon-ceramic hats. What pad compounds work best with these rotors? They perform excellently with Ferodo DS2500, Pagid RS29, and Hawk HP+ pads, depending on your driving style and heat demands. Do they require a specific bedding process? Yes. Perform 8–10 medium stops from 60–10 mph to evenly transfer pad material, then cool completely before heavy use. Are these rotors directional? Yes. Each rotor is marked for left and right sides — follow the arrow cast into the hat mounting area to ensure proper airflow and cooling direction. Upgrade your Audi’s braking system with Girodisc D1-179 370x34mm front replacement rings — precision-balanced for endurance, consistency, and maximum confidence on the road or at the track.

Girodisc Ferrari 458, 488 Challenge Front Replacement Rings Keep your Ferrari Challenge braking system at peak performance with Girodisc 380mm front replacement rings. These direct-fit iron rings are designed for high-performance racing applications, delivering consistent braking, superior heat management, and the precision feel Ferrari drivers demand on track. Vehicle Fitment Compatible with:• Ferrari 458 Challenge• Ferrari 488 Challenge• Ferrari 488 Challenge EvoNote: These are friction rings only. They attach directly to existing Girodisc aluminum hats using the included floating hardware kit. Race-Bred Performance and Quality Girodisc front replacement rings are engineered and machined in the USA from a proprietary high-carbon cast iron alloy, formulated for maximum thermal stability and durability. Each rotor uses a curved directional vane design to pull air through the disc during rotation, acting as a centrifugal pump to improve cooling and minimize fade under extreme race conditions. The result is predictable, fade-free braking through every corner — lap after lap. Features • Direct replacement for Girodisc 380mm front rotor assemblies• Designed for Ferrari 458, 488, and 488 Challenge Evo race cars• Proprietary high-carbon iron alloy for endurance-grade heat control• Curved directional vanes for maximum airflow and cooling• Machined and balanced in the USA• Includes complete hardware kit• Sold/priced per pair Specifications • Diameter: 380mm (approx.)• Position: Front• Material: High-carbon cast iron• Includes: Two replacement rings and new hardware• Made in the USA• Sold/priced per pair Girodisc D1-183 Replacement Ring FAQs Are these compatible with OEM carbon-ceramic rotors? No. These are for Girodisc two-piece iron assemblies only and will not fit OEM carbon-ceramic setups. Do I need new aluminum hats? No. These rings are designed to bolt directly to your existing Girodisc hats using the included hardware. Do these include new hardware? Yes. Each pair ships with a complete floating hardware kit, including pins, washers, and bolts. Can these handle extended track use? Absolutely. Girodisc replacement rings are endurance-proven for Ferrari Challenge applications, offering consistent thermal stability and long service life under repeated high loads. Renew your Ferrari Challenge braking system with Girodisc D1-183 380mm front replacement rings — precision-engineered in the USA for durability, cooling, and world-class performance.

D1-185 Girodisc Subaru WRX STI (2018+) Front Replacement Rings Bring your WRX STI’s braking system back to full strength with Girodisc D1-185 340 mm front replacement rings. These high-performance rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Each ring is CNC-machined from Girodisc’s proprietary high-carbon iron alloy for superior thermal control, consistent bite, and fade-resistant performance in street or track conditions. Vehicle Fitment Compatible with:• Subaru WRX STI (2018 and newer, Brembo 6-piston front calipers)Note: Designed for Girodisc 340 mm two-piece front rotor systems. Not compatible with OEM one-piece rotors or earlier 4-piston STI setups. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 340 mm two-piece front rotors• High-carbon iron construction for stable performance at high temperatures• Directional curved vanes improve airflow and cooling efficiency• Maintains OEM brake bias and ABS calibration• Precision-balanced for quiet, vibration-free operation• 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 new hardware kit• Sold/priced per pair Girodisc D1-185 Subaru WRX STI (2018+) Front Replacement Ring FAQs Do these fit directly on the OEM Subaru rotor hats? No. The D1-185 rings are specific to Girodisc aluminum hats and will not fit factory one-piece rotors. What torque should I use for the drive-pin bolts? Girodisc recommends 12 ft-lbs (16 Nm) with blue Loctite applied to each fastener; safety-wire if desired for track use. Are these compatible with aftermarket pads like Ferodo DS2500 or Hawk DTC-60? Yes. These rings work with all STI-fit pad compounds and perform best after a proper bedding cycle. How long do these typically last under heavy track use? Track-driven STIs see roughly 25–35 hours of hard use per set; street cars often exceed 50,000 miles depending on pad material and driving style. Enhance your Subaru WRX STI with Girodisc D1-185 340 mm front replacement rings — precision-engineered for heat resistance, longevity, and confidence lap after lap.