GiroDisc Racing Brakes & Technologies
A2-186 Girodisc BMW F8X M2, M3, M4 368mm Rear Rotors
$1,350.00
Girodisc BMW F8X M2, M3, M4 Rear Rotors
Unlock the full braking potential of your BMW with Girodisc’s 368mm two-piece rear rotor upgrade for the F8X M2, M3, and M4. These lightweight, high-performance rotors are a direct bolt-on replacement for factory units, delivering sharper response, reduced fade, and better cooling whether on the street or at the track.
Precision Engineering Meets Race-Proven Performance
Each Girodisc rotor is meticulously crafted in the USA using a floating two-piece design. The 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. The curved vane internal design works as a centrifugal pump, pulling air through the rotor to maximize cooling efficiency during repeated high-speed stops.
Features
• Direct replacement for OEM 368mm rear rotors – no modifications needed• Lightweight 6061-T6 billet aluminum hats with anodized finish• Proprietary cast iron rotor rings, cast and machined entirely in the USA• Floating mount system allows controlled expansion for improved durability• Anti-noise spring washers eliminate rattle while maintaining proper float• 48 curved directional vanes for superior cooling and consistent performance• Reduces unsprung and rotational weight for enhanced handling• Sold/priced per pair
Vehicle Fitment
BMW M2 (F87, non-Competition)BMW M3 (F80, all trims)BMW M4 (F82/F83, all trims)Compatible with vehicles using factory 368mm rear iron rotors and blue calipers. Note: M2 Competition and models with carbon-ceramic brakes require a different rotor size.
Girodisc A2-186 Rear Rotor FAQs:
Are these rotors compatible with the M2 Competition? No. The M2 Competition uses a larger 380mm rotor setup. These rotors fit the standard M2 with 368mm rears.
Do I need new pads with these rotors? It’s recommended to install new pads when upgrading rotors to ensure optimal bedding and performance.
Will these affect ABS or traction control? No. Girodisc rotors are manufactured to precise OEM dimensions, ensuring full compatibility with all factory electronic systems.
Are Girodisc rotors rebuildable? Yes. Once installed, you can replace just the iron rings when worn—no need to purchase complete new assemblies.
Enhance your BMW’s braking confidence and precision with Girodisc 368mm rear rotors. Designed for both daily driving and track use, they deliver performance you can feel every time you hit the brakes.
GiroDisc Racing Brakes & Technologies
A2-220 Girodisc 2pc Rear Brake Rotors - BMW F8X M2 / M3 / M4
$1,350.00
Girodisc Rear Brake Rotors – BMW F8X M2 / M3 / M4
The Girodisc A2-220 Rear Rotor Kit is a direct replacement for factory carbon ceramic or iron rotors on the BMW F8X platform, including the M2, M3, and M4. Designed for drivers who demand superior thermal control and serviceability, these 380mm two-piece rotors deliver exceptional braking consistency, reduced weight, and race-proven reliability—without any modifications required.
Convert Carbon Ceramic to Iron with OEM Precision
For vehicles originally equipped with BMW’s carbon ceramic rotors, this Girodisc kit offers a straightforward conversion to high-performance iron rotors. The system bolts directly to the car using the factory calipers and hardware, maintaining OEM brake bias and ABS calibration. Girodisc’s curved-vane design and floating mount system ensure cooler operation, quieter performance, and reduced maintenance costs compared to carbon ceramics.
Features
• Direct replacement for 380mm BMW F8X M2 / M3 / M4 rear rotors• Converts carbon ceramic brakes to iron rotors with no modifications• Two-piece floating design: 6061-T6 aluminum hat + proprietary cast-iron ring• Curved-vane geometry for superior heat dissipation• Floating mount system with cadmium-plated drive pins and anti-noise spring washers• Class 12.9 hardware for high torque load capacity• Reusable aluminum hats – replace iron rings when worn• Reduced unsprung and rotational mass for improved handling• Sold/priced per pair
Vehicle Fitment
• BMW F80 M3 / F82–F83 M4 (including CS with optional carbon ceramic package – gold calipers)• BMW F87 M2 / M2 Competition (red or silver calipers)• BMW F87 M2 CS (optional carbon ceramic package – gold calipers)• Note: Vehicles with blue calipers require a different rotor size, available separately.
Girodisc A2-220 Rear Rotors – BMW F8X M2 / M3 / M4 FAQs
Do these rotors fit OEM calipers? Yes. The A2-220 rotors bolt directly to factory calipers and hubs with no modifications needed.
Can I use these to replace carbon ceramic rotors? Absolutely. This kit is designed to replace OEM carbon ceramics with Girodisc’s high-performance iron rotors. It’s a simple bolt-on conversion that reduces cost and improves heat capacity.
Do I need to change brake pads? Yes. When converting from carbon ceramic to iron rotors, use pads specifically designed for iron discs to ensure proper friction and performance.
What are the benefits of a two-piece floating design? The floating mount system allows for thermal expansion without warping or cracking, maintaining smooth, consistent braking and extending rotor life.
Are replacement rings available? Yes. Girodisc offers replacement cast-iron rings that allow you to reuse your aluminum hats and hardware, reducing long-term cost.
Are these rotors noisy? No. Anti-noise spring washers prevent rattling when cold while allowing proper float when hot.
Upgrade your braking performance and reduce long-term maintenance costs with the Girodisc A2-220 2-Piece Rear Brake Rotors (380mm)—precision-engineered for BMW’s F8X M2, M3, and M4 platforms.
GiroDisc Racing Brakes & Technologies
A2-032 Girodisc Porsche 350mm Rear Rotors
$1,350.00
Girodisc Porsche 350mm Rear Rotors
Upgrade the braking performance of your Porsche 997 Turbo with Girodisc’s lightweight 350mm rear rotors. Designed for both PCCB and non-PCCB vehicles, these direct-fit rotors reduce unsprung mass, improve cooling efficiency, and provide consistent braking power on road or track.
A2-032 Girodisc Porsche 350mm Rear Rotor Vehicle Fitment
Porsche 997 Turbo (All Models)Works with PCCB and non-PCCB brake systemsDirect OEM replacement – bolts to factory calipers and hardware
Built for Precision and Performance
The Girodisc system replaces the OEM rotor with a two-piece floating assembly that combines a CNC-machined 6061-T6 aluminum hat and a proprietary cast-iron friction ring, both produced in the USA. The curved vane internal design functions as a centrifugal pump, drawing air through the rotor to keep temperatures stable under heavy braking. This setup maintains factory brake bias and ABS calibration while delivering quicker cooling and improved pedal feel.
A2-032 Girodisc Porsche 350mm Rear Rotor Features
• Direct OEM replacement – no modifications required• 6061-T6 billet aluminum hats, anodized for durability• Proprietary cast-iron friction rings cast and machined in the USA• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers prevent rattle while allowing thermal expansion• Curved internal vane design improves cooling and fade resistance• Reduces unsprung and rotational mass• Maintains OEM brake bias and ABS function• Fully rebuildable – replace only friction rings when worn• Sold/priced per pair
Girodisc A2-032 Rear Rotor FAQs:
Will these work on both PCCB and steel-rotor cars? Yes. They’re engineered to fit either configuration of the 997 Turbo without modification, using your factory calipers and hardware.
How do they compare to the factory PCCB rotors? Girodisc rotors offer improved heat tolerance and lower long-term costs, with performance closer to a motorsport-grade iron system while retaining OEM compatibility.
What benefits will I notice on track? Expect better heat management, reduced fade, and more consistent pedal feel—even during repeated high-speed braking sessions.
Are they serviceable? Absolutely. When the friction rings wear out, they can be replaced separately, making these rotors a long-term performance investment.
Enhance your Porsche 997 Turbo’s braking confidence with Girodisc 350mm rear rotors—engineered for precision, performance, and endurance.
GiroDisc Racing Brakes & Technologies
A1-203 Girodisc 350mm 2pc Front Brake Rotors for Porsche
$1,350.00
Porsche 718 S, 991, 992 911 Carrera Front Rotors
Bring race-proven braking performance to your Porsche with Girodisc’s 2-piece floating front rotors. Designed as a direct replacement for the factory rotors and supplied with precision-fit spacers and bolts, this system delivers improved cooling, lighter weight, and more consistent pedal feel under extreme braking. Perfect for the 718 S, 991.2 Carrera, and 992.1 Carrera, these rotors maintain OEM brake balance while drastically enhancing heat control and durability.
Performance You Can Feel Every Lap
Each Girodisc assembly is precision-machined and hand-finished in the USA from premium materials. The aluminum hat is crafted from 6061-T6 aircraft-grade alloy and anodized for corrosion protection. The iron rings are cast from Girodisc’s proprietary high-carbon alloy, designed for strength and stability under repeated thermal load. The 350mm rotor uses a curved vane design that acts as a centrifugal air pump, pulling cooling air through the rotor to prevent fade and extend pad life. Supplied hardware and spacers ensure exact alignment and fitment to your Porsche’s factory calipers and hub assembly.
A1-203 Girodisc 350mm 2pc Front Brake Rotor Vehicle Fitment
Porsche 718 Cayman / Boxster S (2017+)
Porsche 911 Carrera (991.2 & 992.1 base and S models)
A1-203 Girodisc 350mm 2pc Front Brake Rotor Features
Direct OEM Replacement: Bolts directly to factory hubs and calipers; includes necessary spacers and bolts for easy installation.
Lightweight 2-Piece Design: Reduces unsprung and rotational mass for better handling and braking response.
Curved Vane Cooling: Internal vanes pull air through the rotor for optimal cooling and fade resistance.
Floating Mount System: Ten high-strength steel pins with anti-noise spring washers allow smooth heat expansion without vibration.
Replaceable Rotor Rings: Reuse the aluminum hats—replace only the cast iron rings when worn.
Made in the USA: Designed, cast, machined, and assembled under strict quality control at Girodisc’s facility in Washington.
A1-203 Girodisc 350mm 2pc Front Brake Rotor FAQs
Do these rotors include all hardware? Yes, each kit comes with spacers and bolts needed for proper installation on OEM hubs and calipers.
How do they compare to stock rotors? Girodisc rotors weigh less, cool faster, and handle repeated high-heat cycles better than OEM cast discs.
Are they compatible with factory brake pads? Yes, these rotors are designed to work perfectly with OEM or aftermarket pads.
Can they handle track use? Absolutely—Girodisc rotors are engineered for consistent performance during aggressive street driving and heavy circuit use.
Experience smoother, stronger, and more reliable braking with Girodisc’s front rotor upgrade for your Porsche 718 S, 991.2, or 992.1 Carrera. Lightweight, track-tested, and built to last—this is the rotor setup your Porsche deserves.
GiroDisc Racing Brakes & Technologies
A2-126 Girodisc Porsche 997 GT3 Cup Rear Rotors
$1,350.00
Girodisc Porsche 997 GT3 Cup Rear Rotors
Developed for Porsche’s factory-built track machines, the Girodisc rear rotors for the 997 GT3 Cup deliver the strength, heat capacity, and rebuildability needed for serious motorsport use. These two-piece floating rotors are designed to handle extreme braking forces while maintaining OEM balance, pedal feel, and ABS function.
Vehicle Fitment
Porsche 911 GT3 Cup (997.1 & 997.2)Porsche 911 GT3 (997.2)Porsche 911 GT2 (997.2)Compatible with OEM Brembo calipers and both iron and PCCB factory setups.
Engineered for Race-Level Braking Performance
The Girodisc system bolts directly to the factory hubs with no modifications required. Each rotor features a U.S.-sourced 6061-T6 aluminum hat mated to Girodisc’s proprietary cast-iron friction ring. The floating two-piece design allows for thermal expansion without warping, maintaining consistent pad contact through repeated heat cycles. Internal curved vanes act as centrifugal pumps, forcing air through the disc to improve cooling during long sessions. This combination of precision machining and race-tested materials ensures maximum reliability and control on and off the track.
Features
• Direct OEM replacement for Porsche 997 GT3 Cup rear rotors• 6061-T6 billet 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 prevent rattle while maintaining float• Curved vane design for optimal airflow and heat dissipation• Retains OEM pad compatibility—no modification required• Fully rebuildable—replace only the iron rings when worn• Sold/priced per pair
Girodisc A2-126 Rear Rotor FAQs:
Are these compatible with both PCCB and iron brake systems? Yes. Girodisc rotors are designed to bolt directly onto 997.2 GT3 and GT2 models with either PCCB or iron setups using the same OEM calipers and pads.
Do I need to change pads when switching to these rotors? No. Unlike many aftermarket kits, these rotors are designed to use factory unmodified pads and hardware.
What advantages do Girodisc rotors offer over stock rotors? They provide better cooling efficiency, lower unsprung mass, and rebuildability—ideal for track use where consistency and serviceability matter most.
Can these rotors handle full race conditions? Absolutely. Girodisc rotors are engineered for professional-level track environments and are proven to withstand prolonged high-temperature cycles.
Equip your Porsche 997 GT3 Cup with Girodisc rear rotors for uncompromising precision, control, and endurance—built to match the car’s motorsport pedigree.
GiroDisc Racing Brakes & Technologies
A2-050 Girodisc Audi R8 / Lamborghini Rear Rotors
$1,350.00
Girodisc Audi R8, Lamborghini Rear Rotors
Unlock world-class braking performance with Girodisc’s lightweight two-piece rear rotors for the Audi R8 and Lamborghini platform. Designed as a direct OEM replacement, these precision-engineered rotors enhance cooling efficiency, reduce unsprung mass, and maintain perfect brake balance under demanding conditions on the street or track.
Vehicle Fitment
Audi R8 (All V8 & V10 Models, including Plus)Lamborghini Gallardo (All Models)Lamborghini Huracán (Iron Rotor Applications)Direct OEM replacement—works with factory calipers and hardware.
Lightweight, Precision-Machined Performance
The Girodisc system is a direct replacement for factory discs and bolts on with no modifications required. Each assembly pairs a CNC-machined 6061-T6 aluminum hat with Girodisc’s proprietary cast-iron friction rings. The floating two-piece construction manages heat expansion evenly, improving rotor life and eliminating warping. Internal curved vanes act as centrifugal pumps to move air through the rotor for consistent cooling during extended performance driving.
Features
• Direct OEM replacement – bolts to factory hubs• 6061-T6 billet aluminum hats, machined and hard-anodized in the USA• Proprietary cast-iron friction rings with racing-grade metallurgy• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers maintain float and prevent rattling• Curved internal vanes for superior heat evacuation• Significant unsprung weight reduction over OEM rotors• Maintains factory brake bias and ABS calibration• Fully rebuildable – replace only rotor rings when worn• Sold/priced per pair
Girodisc A2-050 Rear Rotor FAQs:
Will these fit both Audi R8 and Lamborghini models? Yes. These rotors are engineered for the shared Audi/Lamborghini chassis, ensuring a perfect OEM bolt-on fit with factory calipers.
Do these reduce weight compared to stock rotors? Absolutely. Girodisc’s two-piece design cuts significant unsprung and rotational weight for quicker response and improved handling.
Can I use these for track days? Yes. The high-carbon cast-iron material and curved vane design provide exceptional thermal stability under heavy braking conditions.
Do they work with OEM brake pads? 100%. You can use factory pads or upgrade to a performance compound for aggressive driving or racing use.
Enhance your Audi R8 or Lamborghini braking system with Girodisc rear rotors—engineered to deliver lightweight durability and consistent stopping power worthy of supercar performance.
GiroDisc Racing Brakes & Technologies
A2-072 Girodisc Mercedes S55, CL55 Rear Rotors
$1,350.00
Girodisc Mercedes S55, CL55 Rear Rotors
Upgrade your Mercedes S55 or CL55 AMG with Girodisc’s precision-engineered rear rotors—crafted for lighter weight, improved cooling, and exceptional braking performance. Designed as a direct OEM replacement, these two-piece floating rotors deliver sharper pedal feel, reduced fade, and long-lasting durability without altering factory balance or ABS function.
Vehicle Fitment
Mercedes-Benz S55 AMG (W220)Mercedes-Benz CL55 AMG (C215)Compatible with OEM Brembo calipers and factory hardware.
Lightweight, High-Performance Design
The Girodisc system installs directly on your factory hubs with no modifications required. Each rotor combines a CNC-machined 6061-T6 aluminum hat with Girodisc’s proprietary cast-iron friction ring, both manufactured and machined in the USA. The floating mount system allows for independent thermal expansion, reducing distortion and maintaining even pad contact under extreme braking. Internal curved vanes act as centrifugal pumps, drawing air through the disc for optimal heat dissipation and consistent performance lap after lap.
Features
• Direct OEM replacement – bolts to factory hubs• 6061-T6 billet aluminum hats with hard-anodized finish• Proprietary high-carbon cast-iron friction rings cast and machined in the USA• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers eliminate rattle and maintain float• Curved vane design for efficient cooling and temperature control• Approx. 14.4 lbs vs. 22.5 lbs OEM – saves over 8 lbs per rotor• Fully rebuildable – replace only the iron rings when worn• Sold/priced per pair
Girodisc A2-072 Rear Rotor FAQs:
Do these fit both S55 and CL55 AMG models? Yes. They are designed for direct OEM replacement on both models equipped with factory AMG braking systems.
What’s the performance advantage over OEM rotors? Girodisc rotors reduce unsprung and rotational mass by over 8 lbs per corner, improving braking consistency, suspension response, and acceleration.
Are these compatible with OEM pads? Absolutely. They can be used with factory pads or upgraded performance compounds for street or track driving.
Do they require any modification or adapters? No. These rotors bolt directly to your existing hubs and use all OEM hardware and calipers without alteration.
Enhance your AMG’s braking confidence and control with Girodisc rear rotors—engineered to deliver lighter, stronger, and more responsive performance on every drive.
GiroDisc Racing Brakes & Technologies
A2-025 Girodisc Mercedes CLK63 Black Series Rear Rotors
$1,350.00
Girodisc Mercedes CLK63 Black Series Rear Rotors
Upgrade your AMG with Girodisc’s precision-engineered two-piece rear rotors for the Mercedes-Benz CLK63 Black Series. Built as a direct OEM replacement, these lightweight rotors improve cooling, reduce unsprung weight, and deliver consistent, fade-free braking performance for both road and track driving.
Vehicle Fitment
Mercedes-Benz CLK63 AMG Black Series (C209)Direct OEM replacement – no modifications requiredCompatible with factory calipers and hardware
Designed for AMG Precision and Control
The Girodisc system replaces the factory one-piece rotors with a two-piece floating design that enhances heat management and braking consistency. The rotor hats are CNC machined from 6061-T6 aircraft-grade aluminum and paired with Girodisc’s proprietary cast-iron friction rings—both made in the USA. This design maintains OEM brake bias and ABS calibration while delivering smoother, more responsive pedal feel and extended rotor life.
Features
• Direct bolt-on replacement for OEM rear rotors• 6061-T6 billet aluminum hats, machined and anodized in the USA• Proprietary cast-iron friction rings, poured and machined in-house• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers eliminate rattle and manage heat expansion• Significantly reduces unsprung and rotational mass• Retains factory brake bias and ABS functionality• Fully rebuildable – replace only the friction rings when needed• Sold/priced per pair
Girodisc A2-025 Rear Rotor FAQs:
Do these rotors fit directly on the CLK63 Black Series? Yes. They’re designed as a direct bolt-on replacement and work seamlessly with the factory calipers and parking brake assembly.
How do they differ from the dimpled and slotted version? This smooth-surface version focuses on maximum pad contact and quieter operation while maintaining the same two-piece floating design and weight reduction benefits.
Are these rotors suitable for aggressive driving or track days? Absolutely. Girodisc rotors are engineered for high thermal capacity and stability, making them ideal for both spirited road driving and performance use.
Will these reduce brake fade? Yes. The two-piece floating construction and ventilated vane design promote superior cooling and consistent braking under repeated heavy use.
Take your CLK63 Black Series braking to the next level with Girodisc rear rotors—crafted for balance, durability, and uncompromising AMG performance.
GiroDisc Racing Brakes & Technologies
A2-030 Girodisc Mercedes SL55/63 Rear Rotors
$1,350.00
Girodisc Mercedes SL55/63 Rear Rotors
Upgrade your AMG’s stopping power with Girodisc’s two-piece rear rotors for the Mercedes SL55 and SL63. Engineered as a direct replacement for the factory rotors, this setup delivers lighter weight, improved cooling, and consistent high-speed braking performance—without altering factory bias or ABS calibration.
Vehicle Fitment
Mercedes-Benz SL55 AMG (R230)Mercedes-Benz SL63 AMG (R230)Direct OEM replacement – no modifications required
Precision Engineering for AMG Performance
The Girodisc system replaces the heavy one-piece OE rotors with lightweight, fully floating two-piece assemblies. The hats are precision-machined from 6061-T6 aircraft-grade aluminum and paired with Girodisc’s proprietary cast-iron rings, both manufactured in the USA. The 48 curved vane design acts as a centrifugal pump, pulling air through the rotor for exceptional cooling and fade resistance under track or spirited driving.
Features
• Direct bolt-on OEM replacement• 6061-T6 billet aluminum hats, machined and anodized in the USA• Proprietary cast-iron friction rings, cast and machined in-house• Floating mount system with cadmium-plated high-strength steel drive pins• Anti-noise spring washers eliminate rattle while allowing thermal growth• 48 curved directional vanes maximize airflow and cooling• Significantly reduces unsprung and rotational mass• Maintains factory brake bias and ABS efficiency• Fully rebuildable – replace friction rings when needed• Sold/priced per pair
Girodisc A2-030 Rear Rotor FAQs:
Do these fit both the SL55 and SL63 AMG? Yes. The A2-030 rotors are designed as a direct OEM replacement for both AMG models without any modification or adapters.
How much weight reduction should I expect? Girodisc rotors are several pounds lighter per corner than the factory one-piece rotors, improving suspension response and reducing rotational inertia.
Are they quieter than stock rotors? Yes. The anti-noise spring washer system prevents the rattle commonly associated with floating rotors, ensuring smooth and quiet operation.
Will these handle track use? Absolutely. The curved vane internal design provides superior airflow and thermal stability, ideal for both high-performance street and track environments.
Enhance your AMG’s precision and performance with Girodisc rear rotors—crafted to deliver cooler, lighter, and more controlled braking every drive.
GiroDisc Racing Brakes & Technologies
A2-022 Girodisc Mercedes 330mm Rear Rotors
$1,350.00
Girodisc Mercedes 330mm Rear Rotors
Girodisc 330mm rear rotors offer a direct OEM replacement solution engineered for Mercedes performance and reliability. These lightweight two-piece rotors improve cooling efficiency, reduce unsprung mass, and maintain perfect balance between braking power and factory ABS operation. Ideal for spirited street driving or track use, they deliver superior stopping performance without compromising comfort or noise levels.
Vehicle Fitment
Compatible with the following Mercedes-Benz and AMG models equipped with 330mm rear rotors:• A45 AMG (W176, 2013–2018)• CLA45 AMG (C117, 2013–2019)• A35 AMG (W177, 2018+)• CLA35 AMG (C118, 2018+)• GL-Class (GL320, GL350 – select trims)• ML-Class (ML320, ML350 – select trims)• R-Class (R320, R350 – select trims)Direct OEM replacement – bolts directly to factory calipers and hardware with no modifications required.
Precision Engineering, Race-Proven Design
The Girodisc system replaces the factory one-piece rotor with a two-piece floating design for maximum performance and thermal control. Each aluminum hat is CNC-machined from 6061-T6 aircraft-grade material and hard-anodized for strength and corrosion resistance. The proprietary cast iron rotor rings are poured and machined in the USA, featuring a curved vane structure that acts as a centrifugal pump to pull air through the disc for optimal cooling.
Features
• Direct replacement for OEM Mercedes 330mm rear rotors• Lightweight two-piece floating design• CNC-machined 6061-T6 aluminum hats• Proprietary high-carbon cast iron friction rings• Curved vane internal cooling for high thermal efficiency• Cadmium-plated steel drive pins for durability• Anti-noise spring washers eliminate rattle and vibration• Rebuildable design – replace only the iron rings when needed• Made in the USA• Sold/priced per pair
Girodisc A2-022 Rear Rotor FAQs:
Are these rotors compatible with factory calipers? Yes. The Girodisc A2-022 rotors are designed to bolt directly to your Mercedes hub and work perfectly with the OEM calipers and hardware.
What’s the main difference from the dimpled and slotted version? The A2-022 uses a smooth surface for maximum pad life and quiet operation, while the A2-022DS adds extra bite and debris clearing for aggressive use.
Do they require any special brake pads? No. Girodisc rotors are compatible with OEM or aftermarket pads, giving you flexibility for street or track use.
Why choose Girodisc over OEM rotors? Girodisc rotors are lighter, rebuildable, and engineered for improved heat management—delivering better performance and reduced long-term cost compared to factory rotors.
Experience the balance of precision engineering and race-proven performance with Girodisc Mercedes 330mm rear rotors, the perfect upgrade for drivers who demand confidence under every stop.
GiroDisc Racing Brakes & Technologies
A2-049 Girodisc Porsche Cayman Iron Conversion Rear Rotors
$1,350.00
Girodisc Porsche Cayman Iron Conversion Rear Rotors
Convert your PCCB-equipped Porsche Cayman or Boxster to a high-performance iron rotor system with Girodisc’s precision-engineered rear rotors. Designed as a direct replacement for OEM carbon-ceramic discs, these rotors deliver superior heat management, consistent pedal feel, and lower replacement costs without compromising braking balance or ABS function.
Vehicle Fitment
Porsche 987 Cayman S / Cayman R (PCCB-equipped)Porsche 987 Boxster S (PCCB-equipped)Direct replacement for factory carbon-ceramic rotorsBolts directly to OEM calipers—no modifications required
High-Performance Design for Real-World Driving
The Girodisc system replaces the stock PCCB units with a two-piece floating iron rotor designed for durability and serviceability. Each rotor assembly features a CNC-machined 6061-T6 aluminum hat mated to Girodisc’s proprietary cast-iron friction ring. The curved vane internal design functions as a centrifugal air pump, maintaining consistent cooling under high braking loads. This setup preserves factory brake bias and pedal response while offering a more robust and affordable long-term solution for track or street use.
Features
• Direct PCCB replacement – no modifications required• 6061-T6 aluminum hats machined and anodized in the USA• Proprietary cast-iron friction rings cast and finished in-house• Floating mount design with cadmium-plated steel drive pins• Anti-noise spring washers eliminate rattle while allowing thermal expansion• Curved internal vanes maximize airflow and heat dissipation• Maintains OEM brake bias and ABS calibration• Fully rebuildable – replace only friction rings when needed• Sold/priced per pair
Girodisc A2-049 Rear Rotor FAQs:
Will these work with OEM PCCB calipers? Yes. These rotors are specifically designed for Caymans and Boxsters originally equipped with PCCB systems and bolt directly to the factory calipers.
Why convert from PCCB to iron? Iron rotors offer greater thermal capacity and reduced replacement cost while still providing strong, consistent performance on street or track.
Do these affect brake bias or ABS? No. Girodisc designs each conversion to maintain factory braking balance and ABS function.
Are they rebuildable? Yes. When worn, only the iron friction rings need to be replaced—saving cost and maintaining long-term reliability.
Upgrade your Cayman or Boxster’s braking system with Girodisc iron conversion rotors—precision-built for performance, reliability, and control.
GiroDisc Racing Brakes & Technologies
A1-032 Girodisc 350mm Porsche Front Brake Rotors
$1,350.00
Girodisc Porsche 350mm Front Rotors
The Girodisc 350mm Front Rotor system is a direct replacement for the factory Porsche rotors, offering a perfect bolt-on fit with no modifications required. Designed to reduce unsprung weight and rotational mass, these rotors enhance braking response, acceleration, and overall performance. Crafted from premium U.S.-sourced materials, this two-piece floating rotor system ensures exceptional strength, cooling, and consistency lap after lap.
Lightweight Two-Piece Design for Precision Braking
The central hat is machined from 6061-T6 aircraft-grade aluminum, anodized for corrosion resistance, and paired with Girodisc’s proprietary cast iron rings poured and finished entirely in the USA. The curved internal vane design acts as a centrifugal pump, drawing cool air through the rotor for superior temperature control during demanding track sessions or spirited driving.
A1-032 Girodisc 350mm Porsche Front Brake Rotor Features
• Direct bolt-on replacement for OEM rotors — no modifications required• Two-piece floating design reduces rotational mass and improves response• 6061-T6 aircraft-spec aluminum hats for durability and corrosion protection• Proprietary cast iron rotor rings ensure consistent braking and fade resistance• Curved vane internal design for maximum airflow and cooling• Anti-noise spring washer system eliminates rattle while allowing rotor float• Fully rebuildable — only replace iron rings when worn
A1-032 Girodisc 350mm Porsche Front Brake Rotor Fitment
Designed specifically for Porsche models utilizing 350mm front rotors, including select 997, 991, and 981 variants equipped with OEM iron brake systems. Compatible with factory calipers and ABS systems.
A1-032 Girodisc 350mm Porsche Front Brake Rotor FAQs
Do these rotors require any special installation? No — they are a direct fit and require no modification to the car or calipers.
Can I reuse the aluminum hats when the rings wear out? Yes. Girodisc rotors are fully rebuildable; only the cast iron rings need replacing.
How do these compare to the stock Porsche rotors? They’re lighter, stronger, and dissipate heat far more effectively — improving pedal feel and reducing fade.
Are these rotors suitable for street use? Absolutely. They’re ideal for both aggressive street driving and regular track events.
Upgrade your Porsche’s stopping performance with the Girodisc A1-032 350mm Front Rotors — precision-engineered for reduced weight, improved cooling, and unbeatable reliability.
GiroDisc Racing Brakes & Technologies
A1-019 Girodisc Porsche 996.2 / 997.1 GT3 Front Rotors
$1,350.00
Girodisc Porsche GT3 Front Rotors
The Girodisc system is a direct replacement for the OE front rotors on all Porsche 996 and 997.1 GT3 and GT2 models. No modifications are required—the discs bolt directly to the car and work perfectly with OE calipers. This upgrade offers a lighter, high-performance braking solution that maintains factory brake bias and ABS calibration while improving cooling and response. The Girodisc front rotors weigh approximately 21.0 lbs each, compared to 25.6 lbs for the stock units—a significant reduction in unsprung and rotational mass that enhances acceleration and suspension dynamics.
High-Performance Construction
The central hat section is crafted from U.S.-sourced 6061-T6 aircraft-grade aluminum for strength and lightness. The rotor rings are Girodisc’s proprietary cast iron, poured and machined entirely in-house in the USA. The curved vane design, developed through years of motorsport experience, acts as a centrifugal pump that forces air through the disc, reducing heat build-up and maintaining consistent braking performance under extreme conditions.
Girodisc A1-019Â Features
Direct bolt-on replacement for OE rotors—no modifications required
Lightweight two-piece floating design improves cooling and reduces rotational mass
6061-T6 aluminum hat and proprietary high-carbon iron rotor rings
Curved vane design for efficient cooling airflow
Floating mount system allows thermal expansion while preventing warping
Cadmium-plated drive pins for long-lasting corrosion resistance
Quiet operation thanks to anti-noise spring washers
Fully rebuildable—replace iron rings while reusing hats and hardware
Vehicle Fitment
Porsche 996 GT3 (2004–2005)
Porsche 996 GT2 (2002–2005)
Porsche 997.1 GT3 (2006–2008)
Porsche 997.1 GT3 RS (2007–2008)
Note: Designed for iron brake systems. Not compatible with PCCB carbon-ceramic rotors.
Technical Specifications
Part Number: A1-019
Position: Front
Weight: 21.0 lbs (each)
OE Weight: 25.6 lbs (each)
Rotor Type: Two-piece floating
Hat Material: 6061-T6 aluminum, anodized
Disc Material: Girodisc proprietary high-carbon cast iron
Vane Design: Curved, directional
Drive Pins: 10 high-strength alloy steel, cadmium-plated
Hardware: Class 12.9 cap screws with hardened washers
Sold/Price: Per pair
Girodisc A1-019 FAQs
Do I need to modify the calipers or hubs? No. These rotors are a direct replacement for the factory discs and bolt up with OEM hardware.
Will they make noise during street driving? No. Girodisc uses anti-noise spring washers to allow float while keeping the system quiet for street use.
Are the rings replaceable? Yes. Replacement rings can be purchased separately, allowing you to reuse the aluminum hats and hardware.
Can these handle track use? Absolutely. These rotors are engineered to endure repeated high-heat cycles without cracking or warping, making them ideal for both spirited street and track driving.
Upgrade your GT3’s stopping power with Girodisc’s lightweight, precision-engineered front rotors—built for performance, endurance, and control.
GiroDisc Racing Brakes & Technologies
A1-122 Girodisc Porsche 991.1 S, 4S, GTS Front Rotors
$1,350.00
Porsche 991.1 S, 4S, GTS Front Rotors
The Girodisc 2-piece floating rotor system is a direct replacement for the factory rotors on the Porsche 991.1 Carrera S, 4S, and GTS. This upgrade includes precision caliper spacers that allow the installation of larger 350 mm rotors in place of the factory 340 mm discs, resulting in increased braking torque, improved cooling, and reduced fade under demanding conditions. The Girodisc rotors weigh approximately 21.0 lbs each, compared to the 24.4 lbs OEM units—reducing rotational mass for sharper acceleration and suspension response.
Each rotor features a CNC-machined 6061-T6 aluminum hat bolted to Girodisc’s proprietary high-carbon cast-iron rings. The internal curved vane design functions as a centrifugal air pump, pulling cool air through the disc to efficiently dissipate heat during high-performance driving. Engineered and manufactured entirely in the USA, Girodisc rotors deliver exceptional braking consistency and reliability on both street and track.
Precision-Engineered Performance
A1-122 Girodisc Porsche 991.1 S, 4S, GTS Front Rotor Vehicle Fitment
Porsche 991.1 Carrera S
Porsche 991.1 Carrera 4S
Porsche 991.1 Carrera GTS
A1-122 Girodisc Porsche 991.1 S, 4S, GTS Front Rotor Features
Direct replacement with included spacers: Increases rotor size to 350 mm for enhanced braking force and heat management.
Lightweight construction: 21.0 lbs per rotor versus 24.4 lbs OEM reduces unsprung and rotational weight.
Curved vane design: Actively circulates air through the rotor for superior cooling and fade resistance.
Floating mount system: Cadmium-plated steel drive pins and anti-noise spring washers manage thermal expansion while eliminating rattle.
Serviceable two-piece design: Replace only the iron rings when worn for reduced long-term cost.
Made in the USA: Cast, machined, and assembled entirely in-house for unmatched quality control.
A1-122 Girodisc Porsche 991.1 S, 4S, GTS Front Rotor FAQs
Will these work with OEM calipers? Yes. Girodisc rotors are designed to work perfectly with stock calipers and come with spacers for proper fitment.
Do I need to change brake pads? No. You can continue using your current OEM or aftermarket pads.
Are these suitable for track use? Yes. The curved vane design and floating assembly ensure consistent braking under extreme temperatures.
Do they affect ABS or brake balance? No. Factory brake bias and ABS functionality remain unchanged.
How are they sold? Sold and priced per pair.
Upgrade your 991.1 Carrera with Girodisc’s 350 mm floating rotors for improved cooling, reduced fade, and sharper pedal feel—engineered for performance driving enthusiasts.
OMP Racing
OMP Tecnica Evo Driver Race Suit
$1,349.00
OMP Tecnica Evo Racing Driver Suit
OMP's latest Tecnica Evo Racing Suit adds updated features to this popular, classically-styled suit. Drawing from OMP's extensive Formula 1 background, the Tecnica Evo is a lightweight, breathable, feature-filled fire suit that doesn't bust the budget. Ultra-flat, anti-rubbing seams are not only comfortable, but help prevent unwanted suit-snagging in tight cockpits. Pre-curved sleeves are attached with a fully-floating epaulette system for freedom of movement, and the "Fishbone" quilting is engineered for optimal ergonomics.
A unique feature of the Tecnica Evo is OMP's AFS (Advanced Fastening System) retractable belt. This semi-elastic belt is partially hidden within the suit, increasing comfort and flattening the suit's profile. The Tecnica Evo's lightweight Nomex material (only 295 gr/sqm) features OMP's Dry System 3D, a highly breathable fabric with excellent fire protection properties. This innovative material makes up flexible inserts strategically placed on the Tecnica Evo for improved comfort on the hottest days.
OMP Tecnica Evo Racing Suit Safety Features
Certified to FIA 8856-2018 homologation standards.
Lightweight and breathable three-layer suit incorporating OMP's new Dry System 3D for excellent breathability and driver comfort.
Nomex outer shell fabric for exceptional heat and flame-resistant proprieties.
OMP Tecnica Evo Racing Suit Details
Three-layer suit construction
Shaped collar with soft-knitted inner material
Pre-curved sleeves for maximum comfort
Floating arms with elastic bellows
Dry System 3D material
Ultra-flat anti rubbing seams
AFS (Advance Fastening System) retractable belt
Classic-fit design.
Weight: 320 g/m2
GiroDisc Racing Brakes & Technologies
A2-161 Girodisc 2pc Rear Brake Rotors for Ferrari 488/F8/Pista (Garage Sale)
$1,330.66
$1,900.00
Girodisc A2-161 Rear Two-Piece Rotors (Discontinued Design)
Fitments (REAR):
Ferrari 488
Ferrari 488 Pista
Ferrari F8
Discontinued New old stock rotor. These have the straight grooves as images show, not the new curved grooves. Final Sale, no returns or exchanges.
Competition Motorsport is an authorized dealer for Girodisc products and we are one of the largest stocking dealers in the country. We ship most Girodisc systems the same or next business day to ensure we meet your delivery deadline.
The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers perfectly.
The central hat section of our rotor is made from strictly U.S. sourced 6061-T6 aircraft specification aluminum. The disc is made from our own proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc. The rotor utilizes a curved vane design, developed in racing to act as a centrifugal pump to force cooling air through the disc.
The rotor and hat have a floating mount system, which utilizes ten high strength alloy steel drive pins, manufactured by Girodisc in the USA to our own specifications and cadmium plated for a long lasting corrosion resistance. These pins take the load from braking while maintaining the axial and radial float between the hat and disc.
The pins are secured by Class 12.9 cap screws with hardened washers. In order to keep the rotors from making noise when cold, the pins are mounted with anti-noise spring washers on the rotor side which allow the rotor to grow with heat expansion but eliminate the rattle and noise associated with floating rotors. This float also allows the rotor to self center between the pads.
Once the Girodisc system is in place, simply replace the cast iron rotor when needed.
Sold/priced in pairs
