GiroDisc Racing Brakes & Technologies
A2-022DS Girodisc Mercedes 330mm Rear Rotors (Dimpled & Slotted)
$1,450.00
Girodisc Mercedes 330mm Rear Rotors (Dimpled & Slotted)
Upgrade your Mercedes’ braking system with Girodisc 330mm dimpled and slotted rear rotors—precision-engineered to enhance bite, cooling, and overall stopping performance. These lightweight, high-performance rotors are a direct OEM replacement that retain factory brake bias and ABS control while reducing unsprung weight for sharper response and improved handling.
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 – no modifications required. Works with factory calipers and hardware.
Race-Bred Design, Everyday Driveability
The Girodisc system replaces the factory one-piece rotor with a floating two-piece assembly designed for durability and heat efficiency. The rotor hats are CNC-machined from 6061-T6 aircraft-grade aluminum and anodized for corrosion resistance. The cast-iron rings feature Girodisc’s proprietary alloy, cast and machined in-house in the USA. A dimpled and slotted surface pattern promotes consistent pad contact, gas evacuation, and cooling—ideal for high-performance driving while remaining quiet enough for daily use.
Features
• Dimpled and slotted friction surface for enhanced bite and debris removal• Direct OEM replacement – bolts to factory calipers• 6061-T6 billet aluminum hats, machined and anodized in the USA• Proprietary cast-iron friction rings with high thermal stability• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers manage heat expansion and prevent rattles• 48 curved directional vanes increase airflow and heat dissipation• Lightweight construction reduces unsprung and rotational mass• Fully rebuildable – replace only the iron rings when worn• Sold/priced per pair
Girodisc A2-022DS Rear Rotor FAQs:
What’s the benefit of dimpled and slotted rotors? The surface design increases initial pad bite, expels gases and debris, and maintains optimal friction under repeated heavy braking—perfect for spirited driving or track use.
Are these rotors direct-fit replacements? Yes. The A2-022DS bolts directly to the factory hubs and uses the stock calipers and brake lines with no modifications required.
Will they make noise like drilled rotors? No. Girodisc’s dimpled and slotted pattern provides improved performance without the cracking or whistling often associated with cross-drilled rotors.
Can they handle track temperatures? Absolutely. The two-piece floating design and vented construction allow the rotors to expand evenly under extreme heat, maintaining balance and reducing fade lap after lap.
Enhance your Mercedes’ braking confidence and consistency with Girodisc 330mm dimpled and slotted rear rotors—precision-engineered for performance that lasts.
GiroDisc Racing Brakes & Technologies
A2-023 Girodisc McLaren 350mm Rear Rotors
$1,300.00
Girodisc McLaren 350mm Rear Rotors
Enhance your McLaren’s braking precision with Girodisc 350mm two-piece rear rotors. Built as a direct OEM replacement for cars originally equipped with cast iron rotors, these lightweight, high-performance assemblies improve cooling, reduce unsprung weight, and deliver superior pedal feel without altering factory brake balance or ABS function.
Vehicle Fitment
Compatible with McLaren models originally equipped with 350mm cast iron rear rotorsDirect OEM replacement – no modifications requiredRetains factory brake bias and electronic controls
Lightweight Performance, Track-Proven Strength
The Girodisc system replaces the factory one-piece rotors with a fully floating two-piece assembly engineered for superior heat management and durability. The rotor hats are machined from 6061-T6 aircraft-grade aluminum, while the friction rings are cast from Girodisc’s proprietary iron alloy—poured, machined, and balanced in-house in the USA. The curved vane internal structure acts as a centrifugal pump, efficiently channeling air to cool the braking surfaces during aggressive driving or track sessions.
Features
• Direct bolt-on replacement for OEM 350mm rear rotors• 6061-T6 billet aluminum hats, CNC machined and anodized in the USA• Proprietary cast-iron friction rings for maximum heat resistance• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers control rattle and allow thermal expansion• Curved vane design improves cooling airflow and fade resistance• Lightweight construction reduces unsprung and rotational mass• Fully rebuildable – replace friction rings when needed• Sold/priced per pair
Girodisc A2-023 Rear Rotor FAQs:
Will these rotors fit McLaren models equipped with carbon ceramics? No. The A2-023 kit is designed for vehicles originally equipped with cast iron rotors. Carbon ceramic conversions require a different Girodisc setup.
How do these rotors improve performance? The two-piece design lowers unsprung weight, improves heat dissipation, and maintains consistent braking under heavy use, all while retaining OEM brake bias and control.
Do the curved vanes make a difference? Yes. The vane system acts as a centrifugal air pump, significantly improving airflow and cooling efficiency for reduced fade during extended high-temperature braking.
Are they noisy or prone to rattle? No. Girodisc’s anti-noise spring washer system prevents rattle while allowing the rotor to expand freely under heat, ensuring smooth and quiet operation.
Take your McLaren’s braking to the next level with Girodisc 350mm rear rotors—precision-engineered for lighter weight, superior cooling, and track-proven reliability.
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
A2-025DS Girodisc Mercedes CLK63 Black Series Rear Rotors (Dimpled & Slotted)
$1,450.00
Girodisc Mercedes CLK63 Black Series Rear Rotors (Dimpled & Slotted)
Bring race-ready stopping power to your Mercedes-Benz CLK63 Black Series with Girodisc’s dimpled and slotted two-piece rear rotors. Designed as a direct OEM replacement, these lightweight rotors reduce unsprung mass, improve heat dissipation, and deliver sharper pedal response for high-performance street or track use.
Vehicle Fitment
Mercedes-Benz CLK63 AMG Black Series (C209)Direct OEM replacement – bolts to factory calipers and hardwareDimpled and slotted design enhances bite and cooling performance
Track-Grade Engineering, Street-Friendly Performance
The Girodisc system replaces the factory rotors with a fully floating two-piece design that enhances cooling and braking control. Each rotor uses a 6061-T6 billet aluminum hat mated to Girodisc’s proprietary cast-iron friction rings, both made in the USA. The dimpled and slotted surface efficiently clears gases and debris, keeping pads fresh and temperatures balanced for consistent braking. This setup maintains factory brake bias and ABS calibration while providing superior performance and longevity.
Features
• Dimpled and slotted surface for improved pad bite and gas evacuation• Direct OEM replacement – no modifications required• 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 steel drive pins• Anti-noise spring washers eliminate rattle and manage thermal growth• Reduces unsprung and rotational mass for quicker handling response• Retains OEM brake bias and ABS calibration• Fully rebuildable – replace only friction rings when worn• Sold/priced per pair
Girodisc A2-025DS Rear Rotor FAQs:
What’s the advantage of dimpled and slotted rotors? This surface design improves pad bite, evacuates gases, and helps maintain cleaner pad contact under heavy braking, especially during high-heat operation.
Are these rotors a direct fit for the CLK63 Black Series? Yes. They bolt directly to the factory hubs and work seamlessly with OEM calipers—no adapters or modifications needed.
Do they make noise like drilled rotors? No. The dimpled and slotted pattern provides similar performance benefits without the cracking risks or excess noise associated with cross-drilled designs.
Are they track-ready? Absolutely. Girodisc rotors are engineered for sustained high temperatures, making them ideal for aggressive driving, track sessions, or performance-oriented street use.
Experience the braking precision your CLK63 Black Series deserves with Girodisc rear rotors—lightweight, durable, and designed for AMG-level 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
A2-030DS Girodisc Mercedes SL55 / SL63 Rear Rotors (Dimpled & Slotted)
$1,450.00
Girodisc Mercedes SL55 / SL63 Rear Rotors (Dimpled & Slotted)
The Girodisc A2-030DS Rear Rotor Kit is a premium lightweight brake upgrade for Mercedes-Benz SL55 and SL63 models. Featuring a dimpled and slotted rotor face, these 2-piece rotors deliver improved cooling, reduced weight, and superior pedal response under hard braking. Designed as a direct-fit replacement, the Girodisc system bolts directly to your OEM calipers with no modifications required.
High-Performance 2-Piece Design
Each Girodisc rotor uses a CNC-machined 6061-T6 aluminum hat mated to a proprietary cast iron rotor ring for an optimal balance of strength and weight savings. The two-piece floating construction reduces unsprung and rotational mass, allowing for sharper handling and quicker suspension reaction. The dimpled and slotted surface enhances pad bite, removes gas buildup, and keeps friction consistent during aggressive driving or track sessions.
Advanced Cooling and Engineering
The rotor’s 48 curved directional vanes act as a centrifugal pump, channeling cooling air through the disc to significantly reduce operating temperatures and fade. Girodisc’s floating mount system connects the rotor ring and hat with 8 to 10 high-strength steel drive pins, cadmium-plated for corrosion resistance and secured with grade 12 fasteners and hardened washers. Anti-noise spring washers eliminate rattling while allowing for proper expansion under heat.
Vehicle Fitment
Mercedes-Benz SL55 AMG (R230)
Mercedes-Benz SL63 AMG (R230 / R231)
Direct bolt-on fitment with factory calipers and hardware
Dimpled & slotted surface for enhanced braking performance
Technical Specifications
CMS Number: A2-030DS
Position: Rear
Design: 2-piece floating assembly, dimpled & slotted
Material: Proprietary cast iron rotor with 6061-T6 aluminum hat
Vane Design: 48 curved directional vanes for maximum cooling
Hardware: Cadmium-plated drive pins, grade 12 cap screws, anti-noise washers
Rebuildable: Yes — replace rotor rings and reuse hats
Sold/Price: Per pair
FAQs
Are these rotors a direct replacement for my OEM setup? Yes. They fit factory calipers and require no additional modifications.
Why choose dimpled and slotted rotors? The surface design increases initial bite, releases gases, and prevents glazing, providing consistent braking power during spirited or track driving.
Do these rotors reduce weight? Yes. Girodisc 2-piece rotors are lighter than OEM rotors, improving suspension response and reducing rotational mass.
Can I reuse the aluminum hats? Absolutely. The Girodisc system is fully rebuildable, allowing you to replace the iron rotor rings when worn while retaining the aluminum hats.
Upgrade your Mercedes SL55 or SL63 with Girodisc A2-030DS Rear Rotors for improved braking performance, reduced unsprung weight, and track-ready durability—all proudly engineered and manufactured in the USA.
GiroDisc Racing Brakes & Technologies
A2-031 Girodisc Porsche 986 & 987 Rear Rotors
$1,250.00
Girodisc Porsche 986, 987 Rear Rotors
Give your Boxster or Cayman sharper, more consistent braking with Girodisc’s two-piece rear rotors. Designed as a direct OEM replacement, these lightweight rotors deliver smoother pedal feel, improved heat dissipation, and reduced unsprung mass—all while maintaining factory balance and compatibility with stock calipers.
Vehicle Fitment
Porsche 986 Boxster / Boxster S (1997–2004)Porsche 987 Boxster / Boxster S (2005–2012)Porsche 987 Cayman / Cayman S (2006–2012)Direct OEM replacement – no modifications required
Engineered for Mid-Engine Performance
The Girodisc system replaces the factory cast rotor with a fully rebuildable two-piece floating design. Each rotor features a CNC-machined 6061-T6 aluminum hat and Girodisc’s proprietary cast-iron friction ring, both made in the USA. The internal curved vane layout acts as a centrifugal air pump, maintaining even cooling and consistent friction under extended use. The result is enhanced control and reduced fade for street or track driving.
Features
• Direct OEM replacement – bolts to factory hubs• 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 thermal expansion• Curved internal vane design for superior cooling efficiency• Reduces unsprung weight for quicker suspension response• Maintains OEM brake bias and ABS function• Fully rebuildable – replace friction rings as needed• Sold/priced per pair
Girodisc A2-031 Rear Rotor FAQs:
Are these rotors a direct fit for my Boxster or Cayman? Yes. They’re designed to bolt directly onto 986 and 987 chassis cars using the original calipers and hardware—no adapters required.
How do they improve braking over stock? Girodisc rotors are lighter and better cooled, resulting in faster response, improved heat control, and greater fade resistance during hard driving.
Are these rotors suitable for track use? Definitely. The floating design and proprietary iron composition deliver consistent performance even under repeated high-load braking conditions.
Can I use my existing brake pads? Yes. They’re fully compatible with OEM or aftermarket pad compounds, giving you flexibility for street or performance setups.
Upgrade your Boxster or Cayman with Girodisc rear rotors—precision-engineered to deliver better cooling, reduced weight, and true Porsche braking feel.
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.
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.
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
A2-032A Girodisc Porsche 996 / 997 Rear Rotors (with Spacers & Bolts)
$1,350.00
Girodisc Porsche 996 / 997 Rear Rotors (with Spacers & Bolts)
The Girodisc A2-032A Rear Rotor Kit is a precision-engineered performance upgrade for Porsche 996 and 997 models. Designed as a direct-fit replacement for the OE rotors, this 2-piece system includes caliper spacers and longer bolts to accommodate the larger 350mm rotor size—delivering improved braking torque, heat capacity, and cooling efficiency without altering factory bias or ABS operation.
Enhanced Performance & Lightweight Design
Each rotor assembly features a 6061-T6 aluminum hat mated to Girodisc’s proprietary cast iron rotor ring. This 2-piece configuration significantly reduces unsprung weight while maintaining strength and durability. The curved internal vane design acts as a centrifugal pump, pulling air through the disc to increase cooling capacity during high-performance driving. The result is sharper braking response and reduced fade under repeated heavy use.
Floating Mount System & Anti-Noise Technology
Girodisc rotors use a floating mount system with 10 high-strength alloy steel drive pins manufactured in-house in the USA. The pins are cadmium-plated for corrosion resistance and secured by class 12.9 cap screws with hardened washers. Anti-noise spring washers on the rotor side prevent rattling, allowing for quiet street operation while maintaining full racing functionality. This float design lets the rotor self-center between pads and expand with heat for consistent braking performance.
Vehicle Fitment
Porsche 996 Carrera / Carrera 4 / Carrera 4S
Porsche 997 Carrera / Carrera S / Carrera 4 / Carrera 4S
Includes caliper spacers and longer bolts for 350mm rotor conversion
Direct bolt-on installation, no modifications required
Technical Specifications
CMS Number: A2-032A
Position: Rear
Rotor Diameter: 350mm
Design: 2-piece floating assembly
Material: Proprietary cast iron with 6061-T6 aluminum hat
Vane Design: Curved directional vanes for increased cooling
Hardware: Cadmium-plated drive pins, class 12.9 cap screws, anti-noise washers
Rebuildable: Yes — replace rotor rings and reuse aluminum hats
Sold/Price: Per pair
FAQs
Is this kit a direct replacement for my OEM rotors? Yes. It includes all necessary spacers and hardware for an easy bolt-on upgrade with factory calipers.
Do these rotors affect brake balance? No. The system maintains factory bias and ABS efficiency, ensuring OEM-level stability and braking control.
How much larger are these than stock rotors? These rotors measure 350mm in diameter, offering improved braking leverage and thermal performance over OEM discs.
Can I replace just the rings later? Yes. Girodisc rotors are fully rebuildable—simply replace the iron rings and reuse the aluminum hats.
Upgrade your Porsche 996 or 997 with the Girodisc A2-032A Rear Rotor Kit for enhanced stopping power, reduced weight, and long-lasting performance engineered for both street and track use.
GiroDisc Racing Brakes & Technologies
A2-032B Girodisc Porsche 996 / 991 / 992 Rear Rotors (with Spacers & Bolts)
$1,350.00
Girodisc Porsche 996 / 991 / 992 Rear Rotors (with Spacers & Bolts)
The Girodisc A2-032B Rear Rotor Kit is a premium direct-fit replacement for Porsche 996, 991, and 992 models. Engineered for high-performance driving, this system includes caliper spacers and longer bolts to accommodate the larger 350mm rotors. The result is improved braking torque, enhanced cooling efficiency, and reduced unsprung mass—all while retaining factory fitment and ABS calibration.
Lightweight Design & Increased Performance
Each Girodisc rotor assembly pairs a CNC-machined 6061-T6 aluminum hat with a proprietary cast iron disc. The 2-piece design significantly reduces rotational mass compared to OEM rotors, improving suspension response and acceleration. The curved vane design acts as a centrifugal pump, drawing air through the rotor to enhance cooling and resist fade under extreme braking conditions.
Precision Floating Mount System
The rotors feature Girodisc’s race-proven floating mount design with 10 cadmium-plated steel drive pins connecting the iron ring to the aluminum hat. These pins allow the disc to expand radially under high temperatures without warping, ensuring consistent pad contact. Anti-noise spring washers eliminate rattle, maintaining quiet operation suitable for street and track use alike.
Vehicle Fitment
Porsche 996 Carrera / Carrera 4 / Carrera 4S
Porsche 991 Carrera / Carrera 4 / Carrera GTS (Base models require S/4S/GTS rear pad shape for full rotor sweep)
Porsche 992 Carrera / Carrera S / Carrera 4S
Direct bolt-on installation with supplied spacers and hardware
Technical Specifications
CMS Number: A2-032B
Position: Rear
Rotor Diameter: 350mm (includes caliper spacers & longer bolts)
Design: 2-piece floating rotor assembly
Material: Proprietary cast iron with 6061-T6 aluminum hat
Vane Design: Curved directional vanes for improved airflow
Hardware: Cadmium-plated steel drive pins, class 12.9 screws, anti-noise washers
Rebuildable: Yes — replace rotor rings, reuse aluminum hats
Sold/Price: Per pair
Girodisc A2-032B FAQs
Do these rotors fit all Porsche 996, 991, and 992 models? Yes. However, 991 base Carrera models must use the S/4S/GTS rear pad shape for full pad sweep.
What is included with this kit? Each kit includes two 350mm rotors, caliper spacers, and longer mounting bolts for a complete direct installation.
Are modifications required? No. The supplied hardware makes this a true bolt-on upgrade using factory calipers and lines.
What are the main benefits over stock rotors? Improved cooling, reduced weight, better pedal response, and replaceable rings for long-term cost savings.
Upgrade your Porsche’s braking system with the Girodisc A2-032B Rear Rotor Kit. Experience reduced fade, sharper braking response, and long-term durability whether on the street or at the track.
GiroDisc Racing Brakes & Technologies
A2-033 Girodisc Porsche 996 / 997.1 Carrera Rear Rotors, incl. Spacers & Bolts
$1,250.00
Girodisc Porsche 996, 997.1 Carrera Rear Rotors (Includes Spacers & Bolts)
Boost the braking performance of your Porsche 996 or 997.1 Carrera with Girodisc’s lightweight two-piece rear rotors. This kit includes all necessary spacers and hardware, allowing a direct OEM installation while upgrading rotor diameter from 298mm to 325mm—improving cooling, braking leverage, and overall stopping consistency.
Vehicle Fitment
Porsche 996 Carrera / Carrera 4 / Carrera 4SPorsche 997.1 Carrera / Carrera SIncludes caliper spacers and bolts for installationDirect replacement – compatible with factory calipers and hardware
Engineered for Porsche Precision
The Girodisc system replaces the factory rotor with a larger, two-piece floating design engineered for performance and longevity. Each assembly pairs a CNC-machined 6061-T6 aluminum hat with Girodisc’s proprietary cast-iron friction rings, both made in the USA. The curved internal vane structure acts as a centrifugal pump, forcing air through the rotor for enhanced cooling. With its increased rotor size and floating design, this upgrade delivers superior heat management and more consistent braking under repeated high-speed stops.
Features
• Direct OEM replacement – includes spacers and bolts• Increases rotor diameter from 298mm to 325mm• 6061-T6 billet aluminum hats, machined and anodized in the USA• Proprietary cast-iron friction rings poured and finished in-house• Floating mount design with cadmium-plated steel drive pins• Anti-noise spring washers eliminate rattle and manage heat expansion• Curved internal vane design maximizes airflow and cooling• Reduces unsprung and rotational mass for sharper handling• Maintains factory brake bias and ABS calibration• Fully rebuildable – replace only friction rings when needed• Sold/priced per pair
Girodisc A2-033 Rear Rotor FAQs:
Why is this rotor larger than stock? The Girodisc system increases diameter to 325mm, providing greater mechanical leverage and improved heat capacity for stronger, more consistent braking.
Do I need to modify my calipers to fit these? No. The kit includes custom spacers and bolts that perfectly reposition the calipers for the larger rotors—no cutting or permanent changes required.
Will these affect brake bias or ABS? Not at all. Girodisc engineers each system to maintain the factory balance and ABS performance while increasing cooling efficiency.
Are they suitable for track or aggressive driving? Absolutely. The curved vane design and floating assembly deliver exceptional fade resistance and durability, making them ideal for spirited street or track use.
Upgrade your Porsche’s stopping power with Girodisc rear rotors—engineered to bring race-level precision and confidence to your 996 or 997.1 Carrera.
GiroDisc Racing Brakes & Technologies
A2-034 Girodisc 2pc Rear Brake Rotors (2004-2008)
$1,200.00
Girodisc Lamborghini Gallardo ('04–08) 335mm Rear Rotors
Upgrade your early-generation Lamborghini Gallardo’s braking system with Girodisc’s 335mm two-piece rear rotors. Designed as a direct OEM replacement, these rotors deliver superior heat control, reduced unsprung weight, and precise braking feedback—all while maintaining the factory caliper setup and brake balance that define Gallardo performance.
Vehicle Fitment
Lamborghini Gallardo (2004–2008)Direct OEM replacement – 335mm rear rotor sizeCompatible with factory calipers and hardwareNo modifications or adapters required
Precision-Crafted for Exotic Performance
The Girodisc system replaces the factory cast-iron rotors with a lightweight, rebuildable two-piece floating design. Each assembly pairs a CNC-machined 6061-T6 aluminum hat with Girodisc’s proprietary cast-iron friction ring, both made in the USA. Internal curved vanes act as centrifugal pumps, channeling air through the rotor to reduce heat and improve braking consistency. This advanced design maintains the Gallardo’s balanced brake bias and enhances both on-road control and track endurance.
Features
• Direct OEM replacement – 335mm diameter• 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 allow thermal expansion• Curved internal vane design for superior cooling• Reduces unsprung mass for quicker handling response• Retains OEM brake balance and ABS calibration• Fully rebuildable – replace only friction rings when needed• Sold/priced per pair
Girodisc A2-034 Rear Rotor FAQs:
Are these rotors a direct fit for early Gallardo models? Yes. They’re engineered specifically for 2004–2008 Gallardo applications, bolting directly to the OEM calipers without any modification.
How do these differ from the factory rotors? Girodisc rotors use a two-piece floating design that improves heat dissipation and reduces weight, giving faster suspension response and longer component life.
Do they improve performance under heavy braking? Absolutely. The curved vane construction and high-carbon iron composition deliver stable temperatures and consistent braking on both street and track.
Are they serviceable over time? Yes. When the friction rings wear out, they can be replaced independently of the aluminum hats, saving cost and maintaining long-term reliability.
Enhance your Gallardo’s stopping power and heat control with Girodisc rear rotors—precision-built in the USA for true supercar performance and confidence.
GiroDisc Racing Brakes & Technologies
A2-035 Girodisc Porsche 981 & 718 Rear Rotors incl. Spacers & Bolts
$1,250.00
Girodisc Porsche 981, 718 Rear Rotors (Includes Spacers & Bolts)
Transform your Porsche 981 or 718’s braking response with Girodisc’s lightweight two-piece rear rotors. Engineered for precision and durability, this system includes the required spacers and bolts for a direct installation that reduces weight, improves cooling, and enhances pedal feel without altering OEM brake balance.
Vehicle Fitment
Porsche 981 Cayman / Cayman S / Cayman GTSPorsche 981 Boxster / Boxster S / Boxster GTSPorsche 718 Cayman / Cayman S / Cayman GTSPorsche 718 Boxster / Boxster S / Boxster GTSIncludes spacers and bolts for direct OEM fitmentCompatible with factory calipers and hardware
Performance You Can Feel
The Girodisc system replaces the factory rotors with a precision-engineered, two-piece floating assembly. Each rotor features a CNC-machined 6061-T6 aluminum hat and Girodisc’s proprietary cast-iron friction ring, both manufactured in the USA. Internal curved vanes draw air through the rotor for superior cooling under heavy use, while the floating design allows thermal expansion without distortion. The included spacers and hardware ensure a perfect bolt-on installation that maintains factory geometry and clearance.
Features
• Direct OEM replacement – includes spacers and bolts• 6061-T6 billet aluminum hats, machined and anodized in the USA• Proprietary cast-iron friction rings poured and finished in-house• Floating mount design for controlled thermal movement• Cadmium-plated steel drive pins and anti-noise spring washers• Curved internal vane design maximizes heat dissipation• Reduces unsprung and rotational mass for improved handling• Maintains OEM brake bias and ABS calibration• Fully rebuildable – replace only friction rings when needed• Sold/priced per pair
Girodisc A2-035 Rear Rotor FAQs:
Do these rotors require any modifications to install? No. This kit includes all necessary spacers and bolts for a seamless installation using factory calipers and hardware.
Why are spacers included? The Girodisc design uses spacers to perfectly position the rotor within the factory caliper alignment, ensuring proper clearance and pad contact.
Will these improve braking performance on track? Yes. The floating iron design and curved vane construction drastically improve cooling efficiency and fade resistance, ideal for high-performance driving.
Can I use these with my existing pads? Absolutely. They’re fully compatible with OEM or performance pad compounds, giving you flexibility for street or track use.
Experience sharper pedal feel, improved cooling, and effortless installation with Girodisc rear rotors for your 981 or 718 Porsche—precision-engineered for true driving enthusiasts.
GiroDisc Racing Brakes & Technologies
A2-043 Girodisc Ford GT (2005–2006) Rear Rotors
$1,500.00
Girodisc Ford GT ('05–06) Rear Rotors
Built for the legendary 2005–2006 Ford GT, Girodisc two-piece rear rotors combine precision engineering with race-proven performance. These lightweight replacements bolt directly to the OEM calipers, reducing unsprung mass while improving heat management, pedal feel, and overall control under hard braking.
Vehicle Fitment
Ford GT (2005–2006)Direct OEM replacement – installs with factory calipers and hardwareNo modifications or adapters required
Lightweight, Track-Ready Design
The Girodisc system replaces the factory cast rotors with fully rebuildable two-piece floating assemblies. Each unit features a CNC-machined 6061-T6 aluminum hat paired with Girodisc’s proprietary cast-iron friction rings, both made in the USA. The internal curved vanes function as centrifugal pumps, drawing air through the rotor to maintain consistent cooling during repeated high-load stops. At just 20 lbs per rotor, the setup cuts substantial rotating mass, improving throttle response and suspension dynamics without altering brake bias or ABS calibration.
Features
• Direct OEM replacement – no modification required• 6061-T6 billet aluminum hats, hard-anodized for durability• Proprietary cast-iron friction rings machined in the USA• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers prevent rattling and allow thermal float• Curved internal vane design enhances airflow and heat dissipation• 20 lb per rotor – lighter than OEM cast rotors• Retains factory bias and ABS function• Fully rebuildable – replace only friction rings when worn• Sold/priced per pair
Girodisc A2-043 Rear Rotor FAQs:
Why are Girodisc rotors ideal for the 2005–2006 Ford GT? They’re engineered to match the car’s factory brake balance while offering modern cooling efficiency and weight reduction, maintaining the GT’s original character with improved performance.
Do these rotors change pedal feel? Yes—in a good way. The lighter, two-piece design provides a more immediate and consistent pedal response, especially under repeated hard stops.
How do they handle heat during track use? The internal curved vanes pump air through the rotor to stabilize temperature, dramatically reducing fade and minimizing wear on pads and seals.
Are they serviceable for long-term ownership? Absolutely. Girodisc rotors are fully rebuildable—when the friction rings wear out, only those components are replaced, keeping the original aluminum hats and saving cost over time.
Maintain your Ford GT’s legendary braking precision with Girodisc rear rotors—American-made, track-tested, and built for supercar performance that lasts.
GiroDisc Racing Brakes & Technologies
A2-044 Girodisc Mercedes A45, CLA45, GLA45 Rear Rotors
$1,050.00
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.
GiroDisc Racing Brakes & Technologies
A2-047 Girodisc Mitsubishi Evo X Rear Rotors
$995.00
Girodisc Mitsubishi Evo X Rear Rotors
Enhance the braking performance of your Evo X with Girodisc’s lightweight two-piece rear rotors. Designed to bolt directly to your factory calipers, these precision-engineered rotors reduce unsprung mass, improve cooling, and deliver consistent stopping power for both spirited street driving and aggressive track use.
Vehicle Fitment
Mitsubishi Lancer Evolution X (2008–2015)Direct OEM replacement – no modifications requiredCompatible with factory calipers and hardware
Precision Engineering, Race-Proven Performance
The Girodisc system replaces the factory cast rotor with a fully rebuildable two-piece floating assembly. Each rotor features a CNC-machined 6061-T6 aluminum hat and Girodisc’s proprietary cast-iron friction ring, both manufactured in the USA. The curved internal vane design acts as a centrifugal pump to draw air through the rotor, keeping temperatures stable under heavy braking. This design maintains factory ABS function and brake bias while improving overall responsiveness and rotor longevity.
Features
• Direct OEM replacement – bolts to factory hubs• 6061-T6 billet aluminum hats, machined and anodized in the USA• Proprietary cast-iron friction rings with racing-grade metallurgy• Floating mount design with cadmium-plated steel drive pins• Anti-noise spring washers allow expansion and prevent rattle• Curved internal vanes maximize airflow and heat dissipation• Reduces unsprung and rotational mass for better handling• Maintains OEM brake balance and ABS calibration• Fully rebuildable – replace only rotor rings when needed• Sold/priced per pair
Girodisc A2-047 Rear Rotor FAQs:
Are these a direct fit for the Evo X? Yes. They bolt directly to the OEM hubs and work perfectly with factory calipers—no modifications or adapters required.
What’s the advantage of Girodisc rotors? They’re lighter than OEM rotors, improving suspension response and heat control for more consistent braking performance.
Are they suitable for track use? Absolutely. Girodisc rotors are engineered for high-temperature endurance, making them ideal for performance driving and competitive use.
Do I need special pad
