Vehicle Gear

Sparco EVO Carbon Fiber XL Racing Seat Expiry: 2028 The Sparco EVO Carbon Fiber updates the iconic EVO with QRT-inspired ergonomics and a full pre-preg (dry) carbon shell. Slimmed shoulder bolsters improve fit in smaller cars, lower side bolsters ease entry/exit, and raised belt guides improve harness routing—all while keeping the supportive EVO feel. The all-carbon construction makes the EVO Carbon one of the lightest seats available—under 10 lb (shell only), about 12 lb complete. High-grip fabric at the shoulders and seat base helps stabilize the driver. The EVO series features generous back-angle rake for comfort in long stints. FIA 8855-1999 approved. Sizing EVO XL Carbon — X-Large (up to 38" waist) Key Features Ultralight pre-preg carbon fiber shell Excellent fitment for small cockpits (e.g., Miata) Lower side bolsters for easier ingress/egress Raised harness guides for improved belt fit High-grip fabric in strategic zones FIA 8855-1999 approved Dimensions EVO (Std) Dimensions EVO L / XL Dimensions

Sparco Pro 2000 QRT Martini Racing Seat The Sparco Pro 2000 with a shot of iconic Martini Racing mojo! The Pro 2000 QRT Martini Racing Edition (size Medium only, up to a 34” waist) is a limited production seat. It features the Iconic Martini Racing stripes and is available in period correct Navy or Grey. The Pro 2000 QRT Martini Edition is designed for a medium size driver with a waist size up to 34 inches. The Pro 2000 QRT Martini Edition is our deepest bolstered seat that gives excellent lateral support. It also features removable/adjustable lumbar cushions and non-slip fabric on the shoulder and bottom cushion areas for improved seat comfort. The Pro 2000 QRT Martini Edition is made with all-new QRT Technology which results in an ultra-light shell. The shoulder harness openings have been raised and the seat area around the mid-section has been reshaped for less interference when compared to the original Pro 2000. The Pro 2000 QRT Martini Edition is a unique FIA-homologated seat. It can be bottom-mounted in addition to the traditional side-mounting. This gives you more flexibility in installation options. The Evolution of a Racing Icon The Pro 2000 QRT is an evolution of Sparco's iconic Pro 2000 seat. The Pro 2000 QRT has been upgraded with new ergonomics and technology. It is designed for a medium size driver with a waist size up to 34 inches. The Pro 2000 QRT is our deepest bolstered seat that gives excellent lateral support. It also features removable/adjustable lumbar cushions and non-slip fabric on the shoulder and bottom cushion areas for improved seat comfort. The Pro 2000 QRT is made with all-new QRT Technology which results in an ultra-light shell. The shoulder harness openings have been raised and the seat area around the mid-section has been reshaped for less interference when compared to the original Pro 2000. The Pro 2000 QRT is FIA 8855-1999 approved. What is Sparco's QRT Technology? Designed and developed at the Sparco OEM Composite Laboratory in Italy, QRT is a patented state-of-the-art technical process based on aerospace technologies. QRT creates an unparalleled mechanical strength-to-weight ratio, generating the lightest fiberglass composite seat shells currently on the market. In fact, it guarantees a reduction in total weight of up to 30% compared to traditional production methods. The QRT seats approach the weight of a comparable carbon fiber seat at a lower price point. Sparco Pro 2000 QRT Details QRT ultra-light fiberglass composite shell Excellent fitment into small cockpits Adjustable lumbar cushions Excellent ergonomics Fire retardant fabric FIA 8855-1999 approved Seat Dimensions

Girodisc Ferrari 458, 488 Challenge Rear Replacement Rings Keep your Ferrari Challenge brakes at their best with Girodisc 458 / 488 Challenge rear replacement rings. Designed as direct replacements for existing Girodisc two-piece rotor assemblies, these 380mm iron rings deliver exceptional thermal performance and braking consistency under extreme racing conditions. Vehicle Fitment Compatible with:• Ferrari 458 Challenge• Ferrari 488 Challenge• Ferrari 488 Challenge EvoNote: These are replacement friction rings only. They install on existing Girodisc aluminum hats using the included hardware kit. Race-Proven Engineering Each Girodisc replacement ring is cast and machined in the USA using a proprietary high-carbon iron alloy for superior heat dissipation and durability. The rotor’s curved vane design functions as a centrifugal pump, pulling air through the disc to keep temperatures stable during heavy braking. This ensures consistent performance and fade resistance, lap after lap. All machining and assembly are completed in-house at Girodisc’s facility for maximum precision and quality control. Features • Direct replacement for Girodisc rear two-piece assemblies• Compatible with 458, 488, and 488 Challenge Evo applications• High-carbon cast iron resists cracking under endurance heat cycles• Curved vane internal cooling for maximum airflow• Precision machined and balanced in the USA• Includes full hardware kit for installation• Sold/priced per pair Specifications • Diameter: 380mm (approx.)• Position: Rear• Material: Proprietary high-carbon cast iron• Includes hardware kit• Made in the USA• Sold/priced per pair Girodisc D2-183 Replacement Ring FAQs Are these compatible with OEM carbon-ceramic brakes? No. These are for vehicles equipped with Girodisc iron conversion rotors or existing Girodisc two-piece systems. Do these rings include new hardware? Yes. Each pair ships with a complete hardware kit containing new floating pins, bolts, and washers. Can I reuse my Girodisc hats? Absolutely. These rings are designed to mount directly to your existing aluminum hats using the supplied fasteners. How often should I replace the rings? Replacement intervals depend on use — typically every 2–3 race seasons for endurance cars, or when the rotor reaches the minimum thickness or shows heat cracking to the edge. Upgrade your Ferrari Challenge braking system with Girodisc D2-183 rear replacement rings — precision-engineered for maximum cooling, durability, and repeatable performance on the track.

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 Mercedes A45, CLA45, GLA45 Rear Rotors Upgrade your AMG’s braking system with Girodisc’s lightweight two-piece rear rotors, designed to deliver exceptional stopping power and heat management. Perfect for spirited driving or track sessions, these precision-engineered rotors bolt directly to your factory calipers and offer a massive reduction in unsprung weight for sharper, more controlled braking. Vehicle Fitment Mercedes-Benz A45 AMG (W176)Mercedes-Benz CLA45 AMG (C117)Mercedes-Benz GLA45 AMG (X156)Direct OEM replacement – works with factory calipers and hardware Precision-Engineered for AMG Performance The Girodisc system directly replaces the OEM cast rotors with a two-piece floating assembly for improved response and durability. Each rotor features a CNC-machined 6061-T6 aluminum hat mated to Girodisc’s proprietary cast-iron friction ring, both made in the USA. Internal curved vanes act as a centrifugal pump, forcing air through the rotor to manage heat under repeated heavy braking. This design maintains factory brake bias and ABS calibration while providing quicker recovery and more consistent pedal feel. Features • Direct OEM replacement – no modification required• Lightweight 6061-T6 billet aluminum hats, anodized for strength• Proprietary cast-iron rotor rings machined in-house by Girodisc• Floating mount design with cadmium-plated steel drive pins• Anti-noise spring washers eliminate rattle and allow thermal expansion• Curved vane internal design improves airflow and cooling• Reduces unsprung mass for sharper handling and acceleration• Maintains OEM ABS and brake bias calibration• Fully rebuildable – replace friction rings when worn• Sold/priced per pair Girodisc A2-044 Rear Rotor FAQs: Will these fit all 45 AMG models? Yes. These rotors are a direct bolt-on upgrade for A45, CLA45, and GLA45 AMG models using the factory calipers and hardware. Do they reduce weight compared to OEM rotors? Yes. Girodisc’s two-piece design cuts significant unsprung weight, improving both suspension responsiveness and braking performance. Are these good for track use? Absolutely. Their high-carbon cast iron construction and curved vane design provide superior thermal stability under aggressive driving. Do they work with stock brake pads? Yes. They’re fully compatible with factory pads or aftermarket performance compounds for even better results. Enhance your AMG’s braking performance and consistency with Girodisc rear rotors—engineered for precision, reliability, and race-inspired performance.

Sparco Pro ADV QRT Sim Racing Seat Professional Racing Feel. Built for Sim Immersion. This seat is neither FIA nor SFI approved, not for racing or competition use. The Sparco Pro ADV QRT Sim Racing Seat brings professional motorsport design to the world of sim racing and esports. Modeled after the FIA-homologated Pro ADV QRT competition seat, this simulator version delivers the same ergonomic design and head protection but is optimized for gaming rigs and simulator setups. Constructed using Sparco’s exclusive QRT (Quick Resin Technology) process, the Pro ADV QRT Sim Seat combines lightweight durability with authentic racing ergonomics. With integrated head bolsters, fire-retardant-style upholstery, and a supportive shell, it offers unparalleled immersion and comfort for long gaming sessions. Features & Benefits Authentic Motorsport Design: Based on the Sparco Pro ADV QRT competition seat. QRT Technology Shell: Lightweight construction derived from racing seat innovation. Head Protection Bolsters: Enhanced realism and ergonomic support for sim racing. Premium Sparco Upholstery: Durable, racing-inspired fabric for comfort and longevity. Immersive Fit: Designed to lock the driver in place for esports and long practice sessions. Sim-Ready: Built for sim rigs and gaming; not FIA-approved for competition use. Technical Specifications Model: Sparco Pro ADV QRT Sim Racing Seat Construction: Lightweight QRT shell Design: Head protection with ergonomic bolsters Cover Material: Sparco racing-style upholstery Intended Use: Simulator and gaming only (not FIA-approved) Why Choose the Sparco Pro ADV QRT Sim Seat? With its lightweight QRT shell, ergonomic bolsters, and authentic racing feel, the Sparco Pro ADV QRT Sim Racing Seat transforms your gaming rig into a professional-grade cockpit. Whether you’re competing in esports or practicing endurance sessions, this seat provides the comfort, immersion, and performance that only Sparco can deliver.

Sparco Circuit QRT Gaming Seat Race-Ready Design. Built for Sim Performance. This seat is neither FIA nor SFI approved, not intended for racing or competition use. The Sparco Circuit QRT Gaming Seat brings Sparco’s world-class racing heritage into the world of sim racing and esports. Modeled after the professional Sparco Circuit QRT competition seat, this gaming version offers the same aggressive styling and ergonomic design but is adapted specifically for simulator use. Constructed with QRT (Quick Resin Technology), the Circuit QRT Gaming features a lightweight, durable shell and integrated head bolsters for added immersion and authentic racing ergonomics. Covered in premium Sparco upholstery, this seat delivers both comfort and support for long sim sessions while maintaining the iconic motorsport look. Features & Benefits Authentic Racing Design: Based on the Sparco Circuit QRT competition seat. QRT Technology Shell: Lightweight and durable construction for gaming setups. Integrated Head Bolsters: Provides head and neck support for immersive simulation. Premium Upholstery: Durable Sparco fabric with racing-inspired styling. Ergonomic Support: Designed for comfort and stability during extended sessions. Sim-Ready: Built for esports, simulator rigs, and gaming enthusiasts. Technical Specifications Model: Sparco Circuit QRT Gaming Seat Construction: QRT lightweight shell Design: Head protection bolsters, ergonomic fit Cover Material: Durable Sparco gaming upholstery Intended Use: Simulator and gaming only (not FIA-approved for motorsport) Why Choose the Sparco Circuit QRT Gaming Seat? The Circuit QRT Gaming Seat offers sim racers a professional-grade experience with authentic Sparco racing ergonomics. With its lightweight construction, integrated head bolsters, and premium upholstery, this seat gives you the look, feel, and support of a true racing cockpit—perfect for esports, simulator rigs, and immersive racing experiences.

Sparco Circuit II QRT Sim Racing Seat – Maximum Comfort for Serious Sim Racers! *NON FIA or SFI* Calling all larger sim racers! The Sparco Circuit II QRT Sim Racing Seat is here to level up your virtual racing experience. Designed for those who need a little extra room, this seat combines Sparco’s top-notch QRT Technology with unparalleled comfort, so you can dominate the virtual track without sacrificing a shred of performance. Built with an ultra-light aramidic fiber-reinforced fiberglass shell, the Circuit II QRT is wider, comfier, and tougher than ever before. Whether you’re in the final lap of a marathon sim race or just warming up, this seat’s deep side bolsters and integrated head bolsters will keep you locked in tight. It’s like having a personal pit crew for your sim racing setup! Why You Need This Sparco Circuit II QRT (SIM) Seat QRT Technology – Cutting-edge tech for a seat that’s 30% lighter but just as strong as heavier models. Wider shell for large sim racers – Accommodates drivers with up to a 36” waist comfortably. Integrated head bolsters – Keeps you safe and supported during intense sim racing battles. Deep side bolsters for enhanced lateral support – No more sliding around when the action heats up! Fire retardant, non-slip fabric – Built for long hours of sim racing without any discomfort or slippage. Comfort Built for Extended Sim Racing Sessions Whether you’re gunning for the podium in an online tournament or simply cruising through your favorite sim game, the Circuit II QRT has your back—literally. Its wider design provides extra room for larger sim racers, and with its advanced ergonomic construction, you’ll stay comfortable for hours. (No pit stops necessary.) Sizing Info Sparco Circuit II QRT (SIM) Large: Fits drivers with up to a 36” waist. Finally, a sim seat for the big dogs! The QRT Advantage – What Makes It Special? Sparco’s Quick Resin Technology (QRT) is the future of sim racing seats. Developed in Sparco’s Italian lab, QRT reduces the weight of the seat by 30% compared to traditional models, while still maintaining unbeatable strength. Translation? You’ll feel more connected to your rig and less bogged down by extra weight. Plus, it looks super cool. Sparco Circuit II QRT (SIM) FAQs Is this seat compatible with my sim racing rig? Absolutely! The Circuit II QRT is designed to work with most sim racing rigs. Its wide shell and adjustable harness slots mean it’ll fit snugly into your setup. How durable is the fabric? The fire retardant and non-slip fabric ensures you stay in control during every race. It’s built to withstand even the sweatiest gaming marathons. Is this seat comfortable for long gaming sessions? Yes! The deep side bolsters and supportive design make it ideal for hours of uninterrupted sim racing without sacrificing comfort. Ready to Crush Your Next Sim Race? Upgrade your sim racing experience with the Sparco Circuit II QRT Sim Seat—built for larger drivers, designed for maximum comfort, and engineered to deliver performance. Click ‘Add to Cart’ now and leave your competition in the dust!

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.

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

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