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Forgeline GA1R (Five-Lug) Racing Wheels Custom Made From the #1 Name In Racing Wheels Forgeline GA1R wheels, like all Forgelines, are custom made-to-order. Call and talk to a Competition Motorsport racing wheel specialist today at (844) 438-7244 to discuss the details of your custom Forgeline wheel build. Our experts will make sure you get sizing, offsets, finishes, and every other detail exactly right for your application! Forgeline GA1R: A Road Racing Icon The Forgeline GA1R is machined from a fully-forged 6061-T6 aluminum billet. This one-piece monoblock wheel utilizes much of the technology and design of the very successful GA3R racing wheel, including Forgeline's exclusive I-Beamed Spoke technology. The concave design of the GA1R not only looks great but allows plenty of room for caliper clearance and extreme brake fitment, while the one-piece monoblock forging and I-beamed spoke design yield a wheel that is extremely stiff with fatigue strength equal to the proven GA3R. Despite its strength, for most applications the GA1R delivers a high-performance weight reduction. This makes it perfect for motorsports and racing applications, or for the discerning street enthusiast who demands the ultimate in performance and quality. The GA1R is designed for racing, engineered with a 2,100-lb. street tire load rating to ensure strength and integrity even when subjected to the massive loads encountered using the stickiest racing tires. The GA1R is currently available in 18, 19, 20, and 21-inch sizes with a range of widths (6" to 15") and offsets. Like any Forgeline wheel, the GA1R is available in any of hundreds of fully customizable finish options. Forgeline GA1R Forgeed Monoblock Racing Wheel Details: One-Piece Forged 6061-T6 Monoblock Concave Profile I-Beamed Spoke Technology Extreme Stiffness and Fatigue Strength 2100-lb. Street Tire Load Rating (per wheel) Extremely Light Weight and High Strength Generous Brake Clearance Forged 6061-T6 Aluminum Customizable Finish Options Legendary Forgeline Quality

For Drivers Who Demand the Utmost From Their Car Designed and tested specifically for track-day enthusiasts and drivers who demand the utmost performance from their cars, these kits offer superlative performance for both everyday driving and demanding track-day sessions. Brembo kits consist of cross-drilled or slotted, ventilated one-piece discs and aluminium calipers with four pistons; a complete set of high performance pads; metal-braided hoses; and high quality hardware. Solutions and Technologies Born on the Race Track Braking systems consisting of motorsports-derived components offering levels of technology and performance without par on the market today and embodying the purest expression of Brembo's state-of-the-art technology. The kit consists of aluminium calipers with opposed pistons which, depending on the car model and in increasing order of performance, may be composite, monoblock or even billet monoblock components, combined with cross-drilled or slotted one-piece oversized discs. Brembo kits combine the best solutions available to offer the perfect solution for the individual characteristics of each model. The heart of the kit consists of aluminium calipers. These are also available as monoblock parts machined from a single billet of cast aluminium, which ensure outstanding rigidity and minimised deformation. The discs supplied in the kit are one-piece, featuring an exclusive venting system that improves cooling capacity and increases resistance to cracking caused by thermal shock by over 40%. Cross-drilled and slotted finishes are designed and executed with meticulous precision. These holes or slots in the braking surface help dissipate heat and eliminate brake dust and gases. A set of high-performance brake pads with specific friction materials for each application, TÜV/DOT homologated metal-braided hoses, an adapter and high-quality fastener hardware complete the kit. More Braking Torque and Thermal Capacity on Track Using radial-mounted fixed calipers together with oversized discs gives the system greater braking torque and superior thermal capacity. The result is a braking action that is noticeably more immediate and decisive even in normal road usage, and is extraordinarily powerful and consistent under the repeated loads of track use. Fixed calipers improve the durability and efficiency of the system: the opposed multiple pistons act on the pads with more precision, due to the smaller piston diameter and the reduced pressure exerted on each individual piston, while the greater overall surface area between the pads and pistons results in more uniform friction surface wear. The superlative stiffness of the calipers and the metal braided hoses reduce brake fluid absorption. The result is improved, more stable brake pedal pressure, making it possible to modulate braking force more precisely and enhancing pedal feel. The greater dimensions of the braking rotor surface improves the dispersion of the heat generated by the repeated, intense thermal stress that the discs are subjected to, for consistent braking performance and pedal feel even after numerous laps on the track. Eye-Catching and Unique Looks With a combination of painted calipers (available in red, black or silver) flaunting the Brembo logo, and slotted or cross-drilled discs, the Gran Turismo kit gives an unmistakably sporty, eye-catching look to the car, offering that extra special touch for drivers who want their vehicle to stand out from the crowd. Catering to the more discerning driver is the GT-R line of kits. These offer even more performance and consist of billet-monoblock calipers, slotted discs in diameters up to 405 mm and special high performance pads. Brembo 330x28 Rotor and Four Piston Caliper Kit Details: Brembo GT Systems Caliper Body: Aluminum Two-Piece, Fixed Radial Mount Caliper Color: Black, Red, or Silver Number of Pistons: 4 Disc Size and Construction: 330mm x 28mm One-Piece Disc Type: Drilled or Slotted Disc Vane Design: Vented Straight Vane Disc Material: Cast Iron Front or Rear System: FRONT Goodridge stainless steel brake lines Brembo high-performance brake pads

Girodisc Porsche 992 GT3 Cup Rear Rotors These Girodisc A2-287 2-piece rear rotors match the front A1-287 kit for the Porsche 992 GT3 Cup iron-brake configuration. Floating assemblies reduce unsprung mass and maintain factory braking balance. A2-287 Girodisc Porsche 992 GT3 Cup Rear Rotors Porsche 992 GT3 Cup – Rear (iron brakes) Durable Rings & Floating Hardware High‑carbon iron rings with curved vanes improve thermal stability and airflow. Reusable aluminum hats and spring‑preloaded hardware provide controlled float with street‑friendly noise characteristics. A2-287 Girodisc Porsche 992 GT3 Cup Rear Rotor Features Direct bolt‑on; uses OEM calipers 2‑piece floating construction 6061‑T6 hats; cadmium‑plated hardware Manufactured and assembled in Bellingham, WA Sold/priced per pair

A1-287 Girodisc Porsche 992 GT3 Cup Front Rotors These Girodisc A1-287 2-piece front rotors are a direct replacement for the Porsche 992 GT3 Cup iron-brake setup. Fully floating construction reduces unsprung and rotational mass while keeping OEM calipers, ABS, and brake bias intact. A1-287 Girodisc Porsche 992 GT3 Cup Front Rotor Vehicle Fitment Porsche 992 GT3 Cup – Front High-Carbon Rings & Curved-Vane Cooling Proprietary high‑carbon iron rings with curved internal vanes act as a centrifugal pump to draw cooling air through the disc during heavy use. Reusable aluminum hats accept replacement rings when service is due. A1-287 Girodisc Porsche 992 GT3 Cup Front Rotor Features Direct OE replacement; no modifications required 2‑piece floating design reduces unsprung & rotational mass 6061‑T6 aluminum hats; cadmium‑plated hardware Manufactured and assembled in Bellingham, WA Sold/priced per pair

Girodisc 2-Piece Rear Brake Rotors – GT4 Clubsport The Girodisc A2-266 rear rotor set is a direct, bolt-on replacement for the OE cup car disc on the GT4 Clubsport platform. Using a lightweight aluminum hat and a proprietary cast-iron ring, these two-piece rotors reduce unsprung weight, improve cooling, and deliver repeatable performance under heavy track use while working perfectly with factory calipers and ABS. Race-bred construction, bolt-on simplicity Each rotor features a curved-vane internal design that pumps cooling air through the disc, managing temperatures during long stints. The floating mount uses high-strength alloy steel drive pins and anti-noise spring washers to allow axial and radial float, letting the ring expand with heat and self-center between the pads for consistent pedal feel. Features • Direct replacement for OE GT4 Clubsport rear discs• Two-piece design: proprietary cast-iron rings with 6061-T6 aluminum hats (U.S. sourced)• Curved-vane internal geometry for superior cooling• Floating drive-pin system with cadmium-plated hardware and class 12.9 cap screws• Anti-noise spring washers minimize rattle while allowing thermal growth• Reduced unsprung and rotational mass for sharper response• Rings are replaceable; reuse hats when the rings wear out• Sold/priced per pair Vehicle Fitment • Porsche Cayman GT4 Clubsport (981) – rear• Porsche 718 Cayman GT4 Clubsport (982) – rear• Note: If your car is equipped with OEM center-lock wheels, select the center-lock drive pin option. Girodisc A2-266 Rear Rotors – GT4 Clubsport FAQs Do these rotors fit with the stock calipers and ABS? Yes. They bolt on with no modifications and maintain factory brake bias and ABS functionality. What is the benefit of the two-piece floating design? It reduces weight, improves cooling, and allows the iron ring to expand under heat without coning or cracking, maintaining a consistent pedal with fewer hot spots. Are replacement rings available? Yes. When the rings are worn, simply replace the cast-iron rings and reuse the aluminum hats and hardware where applicable. How many drive pins are used? The A2-266 utilizes a high-strength floating system with multiple alloy steel pins and anti-noise spring washers to allow controlled float and quiet operation. Are these sold individually or as a set? Sold/priced per pair for the rear axle. What pads and fluid do you recommend? Pairing performance pads with a quality high-temperature fluid completes a reliable track package and helps prevent fade under extended use. Upgrade the rear brakes on your GT4 Clubsport with Girodisc A2-266 two-piece rotors for lighter weight, cooler running, and confidence-inspiring consistency every session.

Porsche GT4 Clubsport Front Rotors (380x32) The Girodisc system is a direct replacement for the factory cup car discs on the Porsche GT4 Clubsport. No modifications are required—the rotors bolt directly to the car and integrate perfectly with the OEM calipers. This upgrade provides exceptional cooling capacity, lighter weight, and superior durability compared to factory rotors, making it ideal for both professional racing and advanced track-day drivers. Motorsport-Grade Design, Made in the USA Each Girodisc rotor is precision-engineered and manufactured in-house using premium domestic materials. The central hat section is CNC-machined from 6061-T6 aircraft-grade aluminum, while the rotor rings are cast from Girodisc’s proprietary high-carbon iron alloy. This combination delivers outstanding thermal stability and braking consistency under the harshest track conditions. The 380x32 mm size provides increased surface area and heat capacity to reduce fade during extended sessions. Vehicle Fitment Porsche Cayman GT4 Clubsport (981 & 718) Porsche Cayman GT4 MR (Manthey Racing) Porsche Cayman GT4 Competition / Trackday models Features Direct OEM Replacement: Bolts directly to factory hubs and calipers with no modifications required. Lightweight Two-Piece Construction: Reduces unsprung and rotating mass for faster response and improved handling. Curved Vane Cooling: Developed in racing to act as a centrifugal pump, pulling cooling air through the disc for superior heat management. Floating Mount System: Uses 10–12 high-strength alloy steel drive pins secured with anti-noise spring washers, allowing thermal expansion while eliminating rattle and vibration. Replaceable Rotor Rings: The aluminum hats are reusable—only the iron rotor rings need to be replaced when worn. Made in the USA: Every component is designed, machined, and assembled in Girodisc’s U.S. facility to exacting motorsport standards. Additional Notes If your GT4 Clubsport uses OEM center lock wheels, please select the center lock drive pin option when ordering. When paired with performance brake pads and high-temperature brake fluid, these rotors create a highly durable, fade-resistant system that eliminates the common issues of warped or overheated factory discs. FAQs – Porsche GT4 Clubsport Front Rotors (380x32) Are these rotors a direct fit for factory calipers? Yes, they’re a direct bolt-on replacement for OEM calipers—no adapters or modifications are needed. Can they be used on both 981 and 718 GT4 Clubsport models? Yes, these rotors fit both generations of the GT4 Clubsport, including MR and Competition variants. Do I need special hardware? All hardware is included, and installation uses factory mounting points. Are they sold as a pair? Yes, Girodisc rotors are sold and priced per pair. Upgrade your Porsche GT4 Clubsport’s braking system with Girodisc’s lightweight, floating 2-piece rotors for improved cooling, faster response, and race-proven reliability on every lap.

Porsche 991 GT3 Cup Front Rotors (380x32) The Girodisc system is a direct replacement for the OE front rotors on the Porsche 991 GT3 Cup car. No modifications are required—these lightweight 2-piece floating rotors bolt directly to the car and work seamlessly with factory calipers. Designed for the demands of professional motorsport, Girodisc rotors deliver superior cooling, durability, and braking precision under the harshest track conditions. Built for Competition-Level Performance Girodisc 380x32mm rotors are engineered and machined entirely in the USA from the highest-quality materials. The aluminum hat is CNC-machined from 6061-T6 aircraft-grade alloy for weight savings and strength. The iron rotor rings are made from Girodisc’s proprietary high-carbon alloy, poured and machined in-house for exacting balance and heat resistance. The curved vane design acts as a centrifugal pump, drawing air through the disc to reduce fade and maintain consistent braking throughout long races. A1-238 Girodisc 380mm 2pc Front Brake Rotor Vehicle Fitment Porsche 911 GT3 Cup (991.1 & 991.2) Porsche 911 GT3 R (for equivalent front setup) A1-238 Girodisc 380mm 2pc Front Brake Rotor Features Direct OEM Replacement: Bolts directly to factory hubs and calipers—no modifications needed. 380x32mm Rotor Size: Provides greater surface area and heat capacity for endurance-level braking. Lightweight Two-Piece Design: Reduces unsprung and rotational mass to improve cornering response and acceleration. Curved Vane Internal Cooling: Directional vanes act as centrifugal pumps, pulling cool air through the disc to reduce temperatures and extend pad life. Floating Mount System: Twelve high-strength alloy drive pins with anti-noise spring washers allow the rotor to expand under heat while preventing rattle. Replaceable Rings: The aluminum hats are reusable—only replace the iron rings when worn. Made in the USA: Designed, cast, machined, and assembled domestically to the highest racing standards. A1-238 Girodisc 380mm 2pc Front Brake Rotor FAQs Do these rotors fit OEM calipers? Yes, they fit directly with the factory Porsche Motorsport calipers. Can they handle endurance racing? Absolutely. Girodisc rotors are built to survive repeated high-temperature cycles during endurance and sprint events. What makes Girodisc better than OEM? They offer reduced weight, better cooling, and replaceable rotor rings, saving long-term maintenance costs. Are they sold as a pair? Yes, Girodisc rotors are sold and priced per pair. Enhance your Porsche 991 GT3 Cup’s braking performance with Girodisc’s 380x32mm 2-piece floating rotors. Designed for uncompromising race performance, these rotors deliver cooler operation, consistent pedal feel, and lasting durability for the most demanding track conditions.

A2-272 Girodisc Porsche 992 GT3, 718 GT4 RS Rear Rotors Direct‑replacement 2‑piece rear rotors for the 992 GT3/GT3RS and 718 GT4 RS. Bolt‑on fit with factory calipers and pads; floating design controls heat and mass for consistent performance. A2-272 Girodisc Porsche Rear Rotor Vehicle Fitment Porsche 992 GT3/GT3RS – Rear (OEM iron brake cars) Porsche 718 Cayman GT4 RS – Rear Design & Cooling High‑carbon iron rings with curved vanes improve airflow and heat capacity. 6061‑T6 aluminum hats are reusable; spring‑preloaded hardware manages thermal growth while minimizing noise. A2-272 Girodisc Porsche Rear Rotor Features Direct OE replacement; no modifications required 2‑piece floating construction Reusable hats; ring‑only service Sold/priced per pair

Girodisc  Rear Brake Rotors – Porsche 991 GT3 Cup Car The Girodisc A2-238 Rear Rotor Set (380x30mm) is a direct replacement for the OE cup car discs used on the Porsche 991 GT3 Cup. Engineered for performance and reliability under extreme track conditions, these rotors bolt directly to your car and work seamlessly with the original calipers and ABS system—no modifications required. Race-Proven Two-Piece Design Each Girodisc rotor is designed and manufactured in the USA with precision components to ensure durability and superior thermal management. The central hat section is CNC-machined from U.S.-sourced 6061-T6 aircraft-grade aluminum, while the outer ring is made from Girodisc’s proprietary cast iron alloy, poured and machined entirely in-house. The curved vane design actively pumps cooling air through the disc, reducing temperatures during intense braking to prevent fade and warping. A2-238 Girodisc 380mm 2pc Rear Brake Rotor Features • Direct replacement for OEM Porsche 991 GT3 Cup rear discs (380x30mm)• Two-piece floating rotor design for optimal heat management• 6061-T6 aluminum hats machined from U.S.-sourced billet• Proprietary cast iron rotor rings with curved vane cooling geometry• 12 high-strength alloy steel drive pins with cadmium plating• Anti-noise spring washers eliminate rattle while maintaining full float• Class 12.9 hardware and hardened washers for secure mounting• Significantly reduces unsprung and rotational mass• Reusable hats—replace only rings when worn• Sold/priced per pair• Optional center-lock drive pin kit available A2-238 Girodisc 380mm 2pc Rear Brake Rotor Vehicle Fitment • Porsche 991 GT3 Cup (All model years) – Rear• Fits OEM calipers and ABS• Center-lock wheel option available upon request A2-238 Girodisc 380mm 2pc Rear Brake Rotor FAQs Do these rotors fit directly without modifications? Yes. The Girodisc A2-238 system is a direct bolt-on replacement for OEM rear discs on the 991 GT3 Cup. What is the advantage of a two-piece floating rotor? The floating design allows the iron rotor ring to expand under heat without stressing the aluminum hat, improving performance, reducing weight, and preventing cracking or distortion. Can I reuse the aluminum hats? Yes. Once the cast iron rings wear out, you can replace just the rings and retain the existing hats and hardware. Do these rotors make noise? No. The use of anti-noise spring washers ensures quiet operation even when cold, while maintaining true floating capability under heat. Are these rotors sold individually? No. The Girodisc A2-238 rotors are sold as a pair for the rear axle. Is a center-lock version available? Yes. Girodisc offers a specific drive pin option for vehicles equipped with OEM center-lock hubs—select this option when ordering. Enhance your Porsche 991 GT3 Cup’s braking performance with the Girodisc A2-238 2-Piece Rear Brake Rotors (380x30mm)—precision-engineered, race-proven, and built to handle the most demanding conditions on track.

Sparco Superleggera Driver Race Suit The Sparco Superleggera race suit is the lightest FIA 8856-2018 approved suit on the market. The Superleggera is not only lightweight but it is also one of the most comfortable Sparco race suits available. It features a special 4-way stretch panel that runs from the underarm down to the hip. Those side stretch panels combined with the rear stretch panel give ultimate mobility when in the seated positions. The Sparco Superleggera fire resistant auto race suit also has a breathable inner thigh stretch panel, 360 floating arm gussets and pre-curved arms and legs. The Sparco Superleggera auto race suit is FIA and SFI homologated. Sparco Superleggera Race Suit Details: FIA 8856-2018 and SFI 3.2A/5 approved Lightest FIA suit on the market Pre-curved arms and legs Lightweight zipper and collar Inner thigh stretch panel for exceptional comfort Four-way stretch panels

Acura NSX Front Rotors (Girodisc) – A1-174 Girodisc two-piece front rotors for the Acura NSX are a direct bolt-on upgrade that reduce unsprung and rotating mass, sharpen response, and improve cooling while maintaining factory brake bias and ABS performance. These rotors are compatible with cars originally equipped with iron or carbon-ceramic front rotors; note the pad shape requirement below. Pad shape note for carbon-ceramic cars For vehicles originally fitted with carbon-ceramic front rotors, you must switch to the D1405 front pad shape to use these rotors. Contact us if you need help selecting compatible pads. Features of Girodisc A1-174 Direct replacement for the OE front discs; no permanent modifications required. Two-piece construction with a US-sourced 6061-T6 aluminum hat and proprietary cast-iron disc for high thermal stability. Curved-vane internal design acts as a centrifugal pump to move cooling air through the rotor at speed. Floating mount system uses high-strength alloy steel drive pins with spring washers to allow controlled float, reduce noise when cold, and let the disc expand evenly under heat. Lower rotating and unsprung mass improves acceleration, steering feel, and suspension response. Factory brake bias and ABS calibration are preserved. Service-friendly design lets you replace only the iron rings when worn. What’s included One left and one right front rotor (sold and priced as a pair). FAQs: Acura NSX Front Rotors (Girodisc A1-174) Do these fit NSX models with carbon-ceramic front brakes? Yes. They fit both iron and carbon-ceramic applications, but carbon-ceramic cars must switch to the D1405 pad shape on the front calipers. Are any caliper spacers or brackets required? No spacers or brackets are required for installation with the factory calipers. Will these change pedal feel or ABS behavior? No. Rotor dimensions and effective radius are engineered to maintain factory bias and ABS operation while improving thermal capacity and weight. Are they noisy like some floating race rotors? The floating system uses spring washers to minimize rattle at low temperatures while still allowing thermal growth under heavy use. How do I service them later? When the friction rings wear out, you can replace just the iron rings and reuse the aluminum hats and hardware per manufacturer guidelines. Fitment and ordering Acura NSX front axle. Verify pad shape if converting from carbon-ceramic (use D1405 in front). Sold as a matched left and right pair under SKU A1-174.

Porsche 997 GT3 Cup 380x34mm Front Rotors Girodisc 2-piece floating front rotors are a direct, high-performance replacement for the factory discs on all Porsche 997.2 GT3 and GT2 models, including Cup applications. Designed to bolt directly to the car and work with OEM calipers, they allow continued use of unmodified factory pads—unlike most aftermarket solutions for this platform. This upgrade maintains factory brake bias and ABS function while reducing weight, improving cooling, and enhancing overall braking consistency. Each assembly features a precision-machined 6061-T6 aluminum hat mated to Girodisc’s proprietary high-carbon cast-iron rotor rings. The 380x34mm curved vane design acts as a centrifugal pump, drawing cooling air through the disc for outstanding heat management and fade resistance under high-load track conditions. Every component is designed, cast, and machined in-house in the USA to exacting motorsport standards. Precision-Engineered Performance Vehicle Fitment Porsche 997.2 GT3 Porsche 997.2 GT2 Porsche 997 GT3 Cup Girodisc A1-126 Features Direct OEM replacement: Fits OEM calipers and hardware without modifications or special adapters. Curved vane design: 12 directional vanes circulate air through the rotor to manage temperature and prevent fade. Floating mount hardware: Cadmium-plated steel drive pins with anti-noise washers allow for thermal expansion and eliminate rattling. Lightweight two-piece construction: Reduces unsprung and rotational mass for sharper steering and faster response. Serviceable system: Replace only the cast-iron rings when worn while reusing the aluminum hats. Made in the USA: All Girodisc rotors are designed, cast, and machined domestically for uncompromising precision. Girodisc A1-126 FAQs Can these be used with factory brake pads? Yes, Girodisc rotors are designed to accept OEM pads with no modification required. Are they compatible with OEM PCCB systems? Yes, they replace PCCB rotors directly while maintaining stock brake bias and performance balance. Do these rotors make noise? No, anti-noise spring washers eliminate the rattling common to floating designs. Are they track-ready? Absolutely. Girodisc rotors are built to perform under extreme heat cycles on street or track. How are they sold? Sold and priced per pair. Upgrade your Porsche 997 GT3 or GT2 with Girodisc’s 380x34mm floating rotors for improved cooling, reduced fade, and race-proven durability—perfect for both spirited street driving and competitive track use.

Girodisc Porsche 380mm Rear Rotors Upgrade your Porsche’s braking system with Girodisc’s 380mm rear iron rotors, engineered as a direct replacement for OEM carbon-ceramic discs. This setup offers superior heat capacity, consistent braking performance, and reduced replacement costs, all while maintaining OEM fitment and balance for high-performance driving. Girodisc A2-155 Rotor Vehicle Fitment Porsche 911 Turbo / Turbo S (991.1 & 991.2)Porsche 911 GT3 (991.1 & 991.2)Porsche 911 GT3 RS (991 Series)Porsche 911 GT2 RS (991.2)Compatible with OEM carbon-ceramic brake systems and factory Brembo calipers. Direct Replacement Iron Rotor System The Girodisc system bolts directly to the factory hubs and calipers—no modifications necessary. Each rotor features a CNC-machined 6061-T6 aluminum hat mated to Girodisc’s proprietary cast-iron friction ring. The floating two-piece design allows for expansion under heat without distortion, ensuring even pad wear and consistent pedal feel. Curved internal vanes act as centrifugal pumps, drawing cooling air through the disc for excellent thermal control. Girodisc A2-155 Rotor Features • Direct replacement for OEM PCCB 380 mm rear rotors• Billet 6061-T6 aluminum hats with hard-anodized finish• Proprietary high-carbon cast-iron rings cast and machined in the USA• Floating mount system with 10 cadmium-plated steel drive pins• Anti-noise spring washers eliminate rattle while allowing thermal float• Curved vane design improves airflow and heat dissipation• Fully rebuildable—replace only the iron rings when worn• Sold/priced per pair Girodisc A2-155 Rear Rotor FAQs: Can these rotors replace the OEM PCCB carbon-ceramic discs? Yes. The A2-155 rotors are a direct bolt-on replacement designed to fit factory hubs and calipers without adapters. How do iron rotors change braking feel? They offer a firmer, more predictable pedal with better modulation and heat control during extended sessions, making them ideal for track use. Are they suitable for daily driving? Absolutely. Despite their race-bred design, Girodisc rotors operate quietly and smoothly on the street while maintaining superb durability. What maintenance advantages do these have over PCCB? Iron rotors are rebuildable and far more affordable to service—simply replace the friction rings when worn rather than the entire assembly. Enhance your Porsche’s stopping power with Girodisc 380 mm rear rotors—engineered for the perfect balance of reliability, performance, and precision braking control.

Porsche 997 GT3 380mm Front Rotors The Girodisc 2-piece floating rotor system is a direct, high-performance replacement for the OEM PCCB rotors found on the Porsche 997.1 GT3 and GT2. No modifications are needed—these rotors bolt directly to the car and allow the continued use of factory pads and calipers, maintaining original brake balance and ABS functionality while delivering superior heat control and serviceability. Manufactured in the USA, the Girodisc assembly combines a lightweight 6061-T6 aluminum hat with proprietary high-carbon cast iron rotor rings. The curved vane internal design works as a centrifugal pump to draw cooling air through the rotor, significantly improving thermal stability and fade resistance under repeated hard braking. Precision-Engineered Performance Vehicle Fitment Porsche 997.1 GT3 Porsche 997.1 GT2 Girodisc A1-127 Features Direct PCCB-to-iron conversion: Replace fragile carbon-ceramic rotors with high-strength iron for enhanced durability and performance. OEM compatibility: Fully compatible with stock calipers and unmodified pads for a true plug-and-play installation. Curved vane ventilation: 12-directional vanes actively pull air through the disc to manage rotor temperature and prevent fade. Floating mount hardware: Cadmium-plated steel drive pins with anti-noise spring washers allow smooth thermal expansion while preventing rattle. Serviceable design: Reuse the aluminum hats and replace only the iron rings when worn for lower long-term cost. Made in the USA: All Girodisc rotors are engineered, cast, and machined in-house to precise racing standards. Girodisc A1-127 FAQs Will these work with OEM pads? Yes—unlike many aftermarket solutions, Girodisc rotors allow use of unmodified factory pads. Can I use these for track driving? Absolutely. Girodisc rotors are designed for high-temperature operation and consistent performance lap after lap. Will they change my brake bias or ABS? No. They are designed to maintain factory geometry and braking characteristics. Are they quieter than carbon-ceramic brakes? Yes, the anti-noise washers eliminate rattle while maintaining full floating function. How are they sold? Sold and priced per pair. Upgrade your 997 GT3 or GT2 with Girodisc’s 380mm floating rotors—lighter, cooler, and engineered for true motorsport-level stopping power without compromising OEM reliability.

Porsche 380mm Front Rotors Experience the difference precision-engineered braking makes with Girodisc 380mm two-piece floating front rotors for Porsche. Designed for direct bolt-on fitment, these rotors deliver superior cooling efficiency, reduced weight, and improved pedal modulation under repeated high-performance use. Precision-Machined for Porsche Performance The Girodisc 380mm rotor is built to handle the demands of aggressive street driving and track sessions alike. Utilizing a floating mount system, each rotor allows controlled movement between the hat and disc—reducing stress, minimizing warping, and improving thermal expansion control. This results in smoother, quieter, and more consistent braking performance in all conditions. A1-066 Girodisc Porsche 380mm Front Rotors Vehicle Fitment • 2007–2012 Porsche 997 GT3• 2007–2012 Porsche 997 GT3 RS• 2008–2013 Porsche 997 Turbo (with 380mm rotors)• 2014–2019 Porsche 991 Carrera S (with 380mm rotors) A1-066 Girodisc Porsche 380mm Front Rotors Features • 380mm two-piece floating rotor design• Direct-fit for factory calipers—no modifications required• Floating mount system with anti-noise spring washers• 6061-T6 aluminum hats, made in the USA• Proprietary high-carbon cast iron for superior durability• Sold/priced per pair A1-066 Girodisc Porsche 380mm Front Rotors FAQs: Are these rotors compatible with factory center-lock hubs? Yes. If your Porsche uses OEM center-lock wheels, select the center-lock drive pin option during purchase. Do these improve braking performance? Yes. The floating design and advanced metallurgy offer better heat control and fade resistance than standard rotors. Can I use stock brake pads? Yes, factory pad fitment is retained, but upgraded compounds are recommended for track use. Do these rotors require maintenance? Only normal inspection for wear; replacement rings are available separately to reuse your existing hats. For Porsche enthusiasts demanding the ultimate in braking consistency and cooling, Girodisc rotors deliver unmatched engineering and reliability—ready for the street or the circuit.

Girodisc Porsche 991 GT3 Rear Rotors Designed for the demanding performance of the 991 GT3 and GT3 RS, these Girodisc rear rotors provide a lighter, stronger, and more heat-efficient upgrade over factory iron rotors. Built for drivers who push their cars to the limit, they offer exceptional pedal feel, cooling performance, and precision without altering OEM brake balance or ABS function. A2-146 Girodisc Porsche 991 GT3/GT3RS Rear Rotor Fitment Porsche 911 GT3 (991.1 & 991.2)Porsche 911 GT3 RS (991.1 & 991.2)Compatible with OEM iron rotor systems and factory calipers. Precision-Built for Track and Street Use The Girodisc system bolts directly to the factory hubs and calipers—no modifications or pad changes required. Each rotor features a CNC-machined 6061-T6 aluminum hat paired with Girodisc’s proprietary high-carbon cast-iron friction ring. The two-piece floating design allows for thermal expansion without warping, keeping braking consistent during intense heat cycles. Curved internal vanes act as centrifugal pumps to force cooling air through the disc, extending rotor life and minimizing fade. A2-146 Girodisc Porsche 991 GT3/GT3RS Rear Rotor Features • Direct replacement for OEM iron rear rotors—no modifications required• Billet 6061-T6 aluminum hats with anodized finish• Proprietary high-carbon cast-iron rings, cast and machined in the USA• Floating mount system with cadmium-plated drive pins and anti-noise washers• Curved internal vane design improves airflow and cooling• Maintains factory brake balance and ABS efficiency• Fully rebuildable—replace only the iron rings when worn• Sold/priced per pair A2-146 Girodisc Porsche 991 GT3/GT3RS Rear Rotor FAQs: Do these fit both the 991 GT3 and GT3 RS? Yes. They’re designed specifically for OEM iron rotor-equipped 991 GT3 and GT3 RS models and work with stock Brembo calipers. Do I need to change my brake pads or hardware? No. Unlike many aftermarket systems, Girodisc rotors retain full compatibility with OEM pads and hardware. What kind of performance gain should I expect? Expect reduced unsprung mass, better cooling efficiency, and improved pedal consistency under heavy braking conditions. Are these rotors suitable for track use? Absolutely. The floating two-piece construction and curved vane cooling make them ideal for extended track sessions or spirited driving on twisty roads. Bring race-proven braking precision to your Porsche 991 GT3 with Girodisc’s rear rotors—crafted for balance, responsiveness, and reliability at any speed.