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BBS RIA Forged Line Exclusive Series Wheels - Competition Motorsport

BBS of America, Inc. BBS RIA Forged Line Exclusive Series Wheels $895.00

BBS RIA Forged Line Exclusive Wheels Not all finishes may be available on all wheel fitments. Please call and talk to a Competition Motorsport custom wheel specialist at (844) 438-7244. We'll make sure you get the set of wheels you've always wanted at a price no one can beat. BBS RIA Forged Line Exclusive Wheels are one piece die forged aluminum wheels designed and produced in the BBS Motorsports department. BBS uses a patented milling process inside the spoke area coupled with FEM analysis to optimize the weight for each wheel. FEATURES One-Piece Die Forged Aluminum Wheel BBS Patented Milling Process inside the spoke area Weight optimized by FEM analysis. WHEEL WEIGHTS 18x8.5: 18.0 to 18.5 lbs. 18x9.0: 18.5 lbs. 18x9.5: 18.5-19.0 lbs. 18x10.0: 19.4 lbs. 18x10.5: 19.5 to 20.2 lbs. 18x11.0: 20.0 to 21.0 lbs. PLEASE NOTE While many popular fitments are stocked and ready to ship, some fitments are made to order, increasing lead times. Check with a Competition Motorsport wheels specialist for a complete quote and estimated lead time. "PFS" centerbore designation means the wheel comes with the BBS Precision Fitment System. Prices and weights are per wheel.

GiroDisc Racing Brakes & Technologies D1-091 Girodisc Ford S197 Mustang GT500 ('13–'14) Front Replacement Rings $880.00

D1-091 Girodisc Ford S197 Mustang GT500 ('13–'14) Front Replacement Rings Maintain your GT500’s braking dominance with Girodisc D1-091 380mm front replacement rings. These performance-engineered rotors are direct replacements for Girodisc’s two-piece systems, bolting to your existing aluminum hats using the supplied floating hardware kit. Each ring is precision-machined from Girodisc’s proprietary high-carbon cast iron for exceptional heat capacity, fade resistance, and consistent braking performance through repeated high-speed stops. Vehicle Fitment Compatible with:• Ford Mustang Shelby GT500 (S197, 2013–2014)• Compatible with factory Brembo 6-piston caliper setup (Girodisc system only)Note: Designed exclusively for Girodisc 380mm 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 380mm two-piece front rotors• High-carbon iron construction for superior heat management and wear resistance• Directional curved vanes promote efficient cooling and airflow• Maintains OEM brake bias, ABS, and traction control calibration• Precision-balanced to minimize vibration and optimize pedal feel• 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 full hardware kit• Sold/priced per pair Girodisc D1-091 Ford S197 Mustang GT500 ('13–'14) Front Replacement Ring FAQs Can these rings mount to OEM GT500 rotor hats? No. The D1-091 rings are made for Girodisc aluminum hats and are not compatible with factory one-piece or aftermarket cast iron rotors. What pad compounds pair best with these rotors? For street and occasional track use, Ferodo DS2500 or Hawk HPS 5.0 pads are ideal. For track-only setups, use Pagid RS29 or Carbotech XP12 for optimal bite and fade resistance. Do these rotors reduce brake fade compared to OEM? Yes. The two-piece floating design and directional vane structure significantly reduce heat buildup and resist warping during heavy use. What torque spec is required for the hardware bolts? Tighten all hardware to 12 ft-lbs (16 Nm) with blue Loctite applied. After one complete heat cycle, recheck torque to confirm proper float and safety. Upgrade your GT500’s braking precision and endurance with Girodisc D1-091 380mm front replacement rings — engineered for high-heat performance, balance, and repeatable control at any speed.

GiroDisc Racing Brakes & Technologies D1-152 Girodisc Audi 370x32mm Front Replacement Rings $880.00

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.

GiroDisc Racing Brakes & Technologies D1-187 Girodisc Audi 400mm Front Replacement Rings, $880.00

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 Racing Brakes & Technologies D1-194 Girodisc BMW F8X Essex/AP Racing BBK Front Replacement Rings $880.00

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 Racing Brakes & Technologies Girodisc D1-224 Alfa Romeo Giulia / Stelvio Quadrifoglio Front Replacement Rings $880.00

D1-224 Girodisc Alfa Romeo Giulia, Stelvio QV Front Replacement Rings Enhance the precision and consistency of your Alfa Romeo Quadrifoglio’s braking system with Girodisc D1-224 380 mm front replacement rings. These high-performance 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 excellent heat management, reduced fade, and consistent pedal feel during aggressive street or track driving. Vehicle Fitment Compatible with:• Alfa Romeo Giulia Quadrifoglio (2017+) – front axle• Alfa Romeo Stelvio Quadrifoglio (2018+) – front axleNote: Designed exclusively for Girodisc 380 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 380 mm two-piece front rotors• CNC-machined from high-carbon cast iron for durability and thermal stability• Directional curved vanes maximize 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: 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 D1-224 Alfa Romeo Giulia / Stelvio QV Front Replacement Ring FAQs Are these compatible with the factory carbon-ceramic brake option? No. The D1-224 rings are designed for steel Girodisc two-piece systems only and will not fit the OEM carbon-ceramic setup. Will these rings change pedal feel or braking balance? Not at all. They maintain factory brake bias and deliver a firmer, more consistent pedal feel thanks to the floating rotor design. Can I use these for both daily driving and track days? Yes. They’re quiet and smooth on the street but engineered to handle repeated high-temperature stops during spirited or track use. Do these require special installation or bedding procedures? Standard bedding is recommended — gradually heating the pads and rotors through a few controlled stops ensures even pad transfer and optimal braking performance. Upgrade your Alfa Romeo Giulia or Stelvio Quadrifoglio with Girodisc D1-224 380 mm front replacement rings — precision-engineered for cooling, longevity, and repeatable braking performance on road or track.

GiroDisc Racing Brakes & Technologies D2-022DS Girodisc Mercedes 330mm Rear Replacement Rings (Dimpled & Slotted) $880.00

Girodisc Mercedes 330mm Rear Rings (Dimpled & Slotted) Upgrade your Mercedes AMG’s braking system with Girodisc D2-022DS 330mm dimpled and slotted rear replacement rings. These precision-engineered rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. The dimpled and slotted design improves pad bite, aids gas evacuation, and keeps the braking surface clean for consistent performance during aggressive driving. Vehicle Fitment Compatible with:• Mercedes-Benz C63 AMG (W204 / W205 chassis)• Mercedes-Benz E63 AMG (W212 / W213 chassis)• Mercedes-Benz CLA45 AMG (W117 chassis, steel rotor applications)Note: Designed for Girodisc 330mm two-piece rear rotor systems. Not compatible with OEM one-piece or carbon-ceramic rotors. Features • Sold as a left/right pair and includes full floating hardware kit• Direct replacements for Girodisc 330mm two-piece rear rotors• Dimpled and slotted design increases pad bite and reduces glazing• CNC-machined from high-carbon cast iron for strength and heat control• Directional curved vanes provide superior cooling efficiency• Maintains factory brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 330mm• Position: Rear• Material: High-carbon cast iron• Surface: Dimpled and slotted• Mount type: Floating two-piece system• Includes: Two rings and hardware kit• Sold/priced per pair Girodisc Mercedes Rear Replacement Ring FAQs Do these fit factory Mercedes rotor hats? No. The D2-022DS rings are designed exclusively for Girodisc aluminum hats and will not fit OEM one-piece rotors. Are they compatible with factory AMG calipers? Yes. They’re fully compatible with OEM AMG calipers and maintain the stock pad sweep area. What’s the advantage of dimpled and slotted rotors? The design enhances initial pad bite, clears brake dust and gases, and improves pedal consistency under repeated heavy braking. Are these suitable for track use? Yes. The dimpled and slotted pattern helps dissipate heat efficiently, making them ideal for both spirited street driving and occasional track use. Enhance your AMG’s stopping performance with Girodisc D2-022DS 330mm rear replacement rings — engineered for precision, cooling, and lasting performance on the street or circuit.

GiroDisc Racing Brakes & Technologies D2-103 Girodisc Porsche 993 Rear Replacement Rings $880.00

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

GiroDisc Racing Brakes & Technologies D2-184 Girodisc Corvette C6 ZR1 Rear Replacement Rings $880.00

Girodisc Corvette C6 ZR1 Rear Replacement Rings Restore top-tier braking performance on your C6 ZR1 with Girodisc rear replacement rings. Designed as a direct fit for Girodisc two-piece rotor assemblies, these rings maintain factory brake balance and deliver superior cooling, consistent pedal feel, and long-lasting durability under extreme braking loads. Vehicle Fitment Compatible with:• Chevrolet Corvette C6 ZR1 (2009–2013)Note: These are replacement rotor rings only. They bolt directly to existing Girodisc aluminum hats and include new hardware for installation. Precision Replacement for Maximum Performance Each Girodisc rotor ring is machined from a proprietary high-carbon iron casting formulated for superior heat tolerance and structural integrity. The curved vane internal design acts as a centrifugal pump, drawing cool air through the disc to reduce operating temperatures and prevent brake fade during extended track sessions. When paired with Girodisc’s floating hat assemblies, these rings provide smooth, quiet operation while maintaining optimal braking balance. Features • Direct replacement for Girodisc rear rotors on the C6 ZR1• Machined from Girodisc proprietary high-carbon iron• Curved directional vane design enhances airflow and cooling• Includes new high-strength hardware kit for reassembly• Compatible with Girodisc aluminum hats only• Made and machined in the USA• Sold/priced per pair Specifications • Application: Rear axle• Vehicle: Chevrolet Corvette C6 ZR1 (2009–2013)• Material: High-carbon cast iron• Includes replacement hardware• Made in the USA• Sold/priced per pair Girodisc D2-184 Replacement Ring FAQs: Are these complete rotors? No. The D2-184 rings are replacement friction rings only and are designed to bolt to your existing Girodisc aluminum hats using the included hardware. Do they fit factory GM rotors? No. These rings are made exclusively for Girodisc two-piece rotor assemblies and will not fit OEM or other aftermarket hats. What comes in the box? Each set includes two high-carbon iron rings and all new mounting hardware required for reinstallation. When should I replace my rings? Girodisc recommends replacing rings when they reach minimum thickness or show cracks extending to the edge. This ensures consistent braking performance and safety under high heat. Maintain peak stopping power on your C6 ZR1 with Girodisc D2-184 replacement rings — engineered for durability, rebuildability, and championship-level performance.

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

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

GiroDisc Racing Brakes & Technologies D1-307 Girodisc Front Replacement Rotor Rings $880.00

Toyota GR Supra, BMW 348mm Front Replacement Rings Restore your braking performance with the Girodisc D1-307 Front Replacement Rings, designed for the Toyota GR Supra and BMW Z4 M40i. These precision-engineered 348mm iron rotor rings are direct replacements for your existing Girodisc two-piece rotors, delivering the same championship-level performance, reduced unsprung weight, and thermal stability that make Girodisc the gold standard for performance braking. Manufactured from Girodisc’s proprietary high-carbon cast iron alloy and machined in the USA, these rotors are built to handle extreme braking forces and high temperatures without fade. If your original Girodisc rotors have reached their wear limit, these replacement rings let you renew your braking setup while reusing your original Girodisc aluminum hats — saving cost without sacrificing quality. Features and Benefits Direct replacements for Girodisc 348mm front two-piece rotors Crafted from proprietary U.S.-poured high-carbon cast iron 48 curved directional vanes maximize airflow and cooling Lightweight two-piece design reduces unsprung mass Includes all new hardware: drive pins, bolts, and washers Engineered, machined, and balanced entirely in the USA Vehicle Fitment 2020+ Toyota GR Supra (A90 / A91) 2019+ BMW Z4 M40i BMW G29 Platform (B58 engine) These rotor rings are designed exclusively for Girodisc aluminum hats and are not compatible with OEM or other aftermarket hat assemblies. Why Choose Girodisc Girodisc performance rotors are trusted by track enthusiasts and professional racers for their ability to handle high thermal loads while maintaining consistent braking feel. The D1-307 front replacement rings deliver the same performance and cooling benefits as a brand-new set — for a fraction of the price. Each ring is optimized for even heat distribution and minimal warping, giving you confident braking under pressure lap after lap. FAQs Do these include the aluminum hats?No. The D1-307 kit includes only the iron rotor rings and a new hardware kit. Your existing Girodisc hats are reused. Are these compatible with factory rotors?No. Girodisc rings are engineered exclusively for use with Girodisc hats and cannot be mounted to OEM or other aftermarket assemblies. Are the rotors directional?Yes. Each rotor features curved internal vanes that must be installed on the correct side for proper cooling and airflow direction. What’s included?Two 348mm front rotor rings (left and right) and a full hardware kit with drive pins, bolts, and washers. Ready to Upgrade? When it’s time to refresh your braking system, the Girodisc D1-307 Front Replacement Rings deliver the unmatched cooling, strength, and consistency that define Girodisc. Perfect for both daily driving and track-day abuse, they’ll keep your Toyota GR Supra or BMW Z4 M40i stopping with confidence. Order your set today from Competition Motorsport and get back to peak performance.

GiroDisc Racing Brakes & Technologies D1-282 Girodisc BMW G8X 380mm Front Replacement Rings $880.00

D1-282 Girodisc BMW G8X Front Replacement Rings Rings only, sold as a pair with new hardware. Reuse your existing Girodisc aluminum hats. These rings are engineered for Girodisc hats only and will not fit OE or other aftermarket hats. Vehicle Fitment BMW G87 M2 – Front (for A1-282 kits) BMW G80/G81 M3 – Front (for A1-282 kits) BMW G82/G83 M4 – Front (for A1-282 kits) Quick Refresh, Track-Ready High-carbon iron rings with 72 curved vanes move air efficiently. New drive pins, clips, and Belleville washers restore proper float and clamp force for quiet street manners and durability under heat. Features Replacement rings only; includes new hardware Direct fit for Girodisc A1-282 front rotor kits High-carbon iron; USA-poured and machined 72-vane internal geometry for cooling airflow Sold/priced per pair D1-282 FAQs Minimum thickness? Replace at 34 mm or if any crack reaches the outer edge. Re-use hardware? No — install the included new hardware and torque per instructions. Re-bed pads? Yes — perform a standard bedding procedure after ring replacement.

GiroDisc Racing Brakes & Technologies D2-322 Girodisc BMW G8X Iron Conversion Rear Replacement Rings $880.00

BMW G8X Iron Conversion Rear Replacement Rings Renew your braking performance with the Girodisc D2-322 Rear Replacement Rings, designed specifically for the Girodisc A2-322 Iron Conversion rotor system on the BMW G8X platform. Whether your M3 or M4 originally came with carbon ceramics or standard iron rotors, these rings let you restore peak performance without replacing your entire rotor assembly. Each set is precision-machined from Girodisc’s proprietary U.S.-poured high-carbon cast iron, delivering the same championship-level performance and cooling efficiency as your original Girodisc rotors. Built to withstand extreme heat cycles and track abuse, the D2-322 replacement rings bring your braking system back to life with fresh hardware and exact OEM fitment. Features and Benefits Direct replacement rings for Girodisc Iron Conversion Rear Rotors (A2-322) Includes all new attachment hardware – pins, bolts, and washers Machined from proprietary high-carbon cast iron for superior heat capacity and durability 48 curved directional vanes maximize airflow for efficient cooling Lightweight two-piece rotor design reduces unsprung and rotational mass Fully machined, balanced, and assembled in the USA Vehicle Fitment BMW G80 M3 (2021+) BMW G82 M4 (2021+) BMW G83 M4 Convertible (2021+) These replacement rings are designed exclusively for Girodisc Iron Conversion kits (part number A2-322) and will not fit OEM or other aftermarket rotor hats, including factory two-piece assemblies. Why Choose Girodisc Girodisc has earned its reputation as the leader in performance braking systems, offering precision-engineered components built for the demands of modern sports cars. Each rotor ring is designed to provide consistent braking, optimized cooling, and maximum longevity. The D2-322 replacement set lets you keep your original Girodisc hats while restoring the braking response and confidence you expect from your G8X M car. FAQs Do these include the aluminum hats?No. The D2-322 kit includes only the iron rotor rings and new hardware. You will reuse your existing Girodisc hats from the A2-322 Iron Conversion kit. Are these compatible with OEM BMW carbon ceramic or two-piece rotors?No. These are only compatible with Girodisc Iron Conversion rotor hats (A2-322) and cannot be used with OEM or other aftermarket assemblies. Are they directional?Yes. Each rotor ring has curved internal vanes designed for optimal airflow and cooling when installed on the correct side. What’s included in the box?A pair of rear replacement rings (left and right) and a complete hardware kit with new drive pins, bolts, and washers. Ready to Upgrade? If your Girodisc iron conversion rotors have reached their wear limit, the D2-322 Rear Replacement Rings will bring your BMW M3 or M4 braking system back to its peak. Experience the legendary cooling and stopping performance that make Girodisc the go-to choice for track and street enthusiasts alike. Order your set today from Competition Motorsport and get back to maximum braking confidence.

GiroDisc Racing Brakes & Technologies D2-318 Girodisc Cadillac CT4-V Blackwing Rear Replacement Rings $880.00

D2-318 Girodisc Cadillac CT4-V Blackwing Rear Replacement Rings D2-318 rear replacement rings are sold in pairs with new hardware. Reuse your existing Girodisc aluminum hats. Rings are designed exclusively for Girodisc hats and will not fit OE or other aftermarket hats. D2-318 Vehicle Fitment Cadillac CT4-V Blackwing – Rear (for A2-318 kits) Cost-Effective Service High-carbon iron rings with curved vanes provide consistent performance under repeated braking. New drive pins, clips, and Belleville washers restore proper float and clamping force. Features Replacement rings only; includes hardware Direct fit for Girodisc A2-318 rear rotor kits High-carbon iron; USA-poured and machined Curved vane internal design for cooling airflow Sold/priced per pair D2-318 Girodisc Cadillac Rear Replacement Rings FAQs What’s the recommended minimum thickness? Replace rear rings at 26 mm or sooner if any crack reaches the outer edge. Do I need to re-bed pads? Yes — re-bed after ring installation for optimal friction transfer. Can I mix these with OE front rotors? Yes, but best results come from matching front and rear Girodisc assemblies. Hardware reuse? Use the supplied new hardware; do not reuse worn pins/springs.

GiroDisc Racing Brakes & Technologies D1-311 Girodisc Audi B9 S4, S5, SQ5 Front Replacement Rings $880.00

D1-311 Girodisc Audi B9 S4, S5, SQ5 Front Replacement Rings These D1-311 front replacement rings are sold in pairs with new hardware. Reuse your existing Girodisc aluminum hats. Rings are engineered exclusively for Girodisc hats and will not fit OE or other aftermarket hats. Vehicle Fitment Audi S4 (B9) – Front (for A1-311 kits) Audi S5 (B9) – Front (for A1-311 kits) Audi SQ5 (B9) – Front (for A1-311 kits) Service-Friendly Refresh High-carbon rings with curved vanes manage heat under repeated stops. New drive pins, clips, and Belleville washers restore the floating interface. Features Replacement rings only; includes hardware For Girodisc A1-311 front rotor kits High-carbon iron, machined in the USA Curved vane geometry for airflow D1-311 FAQs When to replace? Replace at the recommended service thickness or if a crack reaches the outer edge. Torque specs? Follow the included Girodisc instructions for torque and sequence. Pad rebedding? Yes—rebed pads after ring replacement. Related Products A1-311 Girodisc Audi B9 S4, S5, SQ5 Front Rotors A2-130 Girodisc Audi B8/B9 Rear Rotors D2-130 Girodisc Audi 330mm Rear Replacement Rings

GiroDisc Racing Brakes & Technologies D2-123 Girodisc Mercedes 360mm Rear Replacement Rings $880.00

Girodisc Mercedes Rear Replacement Rings Maintain the stopping power of your Mercedes AMG with Girodisc D2-123 360mm rear replacement rings. These precision-machined rings are designed to bolt directly to your existing Girodisc two-piece rotor hats using the included floating hardware kit, allowing you to refresh the wear surface without replacing the full assembly. Perfect for both street and track use, these rings restore braking consistency and thermal performance. Vehicle Fitment Compatible with:• Mercedes-Benz C63 AMG (W204 / W205 chassis)• Mercedes-Benz E63 AMG (W212 / W213 chassis)• Mercedes-Benz CLS63 AMG (C218 chassis)• Mercedes-Benz S63 AMG (W222 chassis, steel rotor applications)Note: For use with Girodisc 360mm two-piece rear rotor systems only. Not compatible with OEM or carbon-ceramic rotors. Features • Sold as a left/right pair with complete floating hardware kit• Direct replacements for Girodisc 360mm two-piece rear rotors• CNC-machined from high-carbon cast iron for strength and heat control• Directional curved vanes provide superior cooling under heavy braking• Maintains OEM brake bias and ABS function• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 360mm• Position: Rear• Material: High-carbon cast iron• Surface: Plain (non-dimpled/slotted)• Mount type: Floating two-piece system• Includes: Two rings and hardware kit• Sold/priced per pair• MSRP: $880.00 Girodisc D2-123 Replacement Ring FAQs Will these fit OEM Mercedes rotors? No. These are engineered specifically for Girodisc two-piece rotor systems and will not bolt to OEM or carbon-ceramic assemblies. Are both sides included? Yes. Each D2-123 kit includes left and right replacement rings along with all new hardware. Why replace just the rings instead of the full rotor? Replacing only the rings saves cost while maintaining your Girodisc hats and original performance characteristics. Do I need to use the new hardware? Yes. Always install the supplied new hardware for proper fitment, safety, and longevity. Refresh your AMG’s braking system with Girodisc D2-123 360mm rear replacement rings — precision-built for heat management, consistency, and fade-free stopping performance on the road or track.