Fits select 2014-2020 BMW M2, M3, and M4 (F8X) models equipped with factory blue calipers. These 368mm rear rotors provide a direct performance upgrade for owners seeking improved thermal management and braking consistency.

GiroDisc slotted rotors are engineered to withstand the rigors of spirited driving and track use. The precision-machined slots serve to evacuate brake dust, water, and gases that build up between the pad and rotor surface, maintaining a clean contact patch and a more responsive pedal feel. By utilizing high-quality materials and strict manufacturing tolerances, these rotors offer enhanced resistance to thermal fatigue and warping compared to standard replacement units.

• Brake Rotor Position: Rear
• Rotor Diameter: 368mm
• Surface Style: Slotted
• Fitment Note: Specifically for models with factory blue calipers
• Manufacturer Part Number: A2-186

Each set includes two high-performance rear rotors designed to bolt directly onto the factory hub using existing hardware.

Fits 2018+ Subaru WRX STI models.

GiroDisc slotted rear rotors (A2-185) are engineered as a high-performance braking upgrade for the 2018 and newer Subaru WRX STI. These precision-machined rotors feature a slotted surface designed to facilitate the evacuation of water, gas, and brake dust, ensuring consistent pad-to-rotor contact and improved initial bite under demanding driving conditions.

• Manufacturer Part Number: A2-185
• Position: Rear
• Rotor Style: Slotted
• Requirement: This application requires the use of trimmed rear brake pads for proper fitment and clearance.

By effectively venting heat and preventing the buildup of pad glaze, these rotors provide superior resistance to brake fade compared to standard blank discs. They are a direct-replacement performance solution for STI owners looking to maximize the efficiency of their factory Brembo braking system during track use or spirited street driving.

Fits 2015-2023 Honda Civic Type R (FK8).

Upgrade your FK8’s braking performance and thermal management with GiroDisc Slotted Rear Rotors (A2-166). These high-performance rotors are designed as a direct replacement for the factory units, providing a significant increase in braking consistency during spirited driving and track conditions. The precision-slotted surface helps evacuate brake dust, water, and gases from the pad-to-rotor interface, ensuring a clean contact patch and preventing pad glazing.

• Slotted Design: Effectively clears debris and gases for better initial bite and improved pad life.
• High-Carbon Iron: Cast from a proprietary high-carbon iron alloy for maximum heat capacity and durability under high-stress conditions.
• Direct Fit: Designed to bolt directly to the factory rear hubs with no modifications required.
• Balanced Performance: Each rotor is precision balanced to eliminate vibration and ensure smooth operation.
• Manufacturer Part Number: A2-166

Sold as a pair of rear rotors.

Fits 2016-2020 Ford Shelby GT350 and GT350R.

GiroDisc A2-162 slotted rear rotors are high-performance replacements engineered to enhance the braking capabilities of your Ford Shelby GT350 or GT350R. These rotors feature a precision-slotted friction surface that effectively evacuates water, brake dust, and gasses from the pad-to-rotor interface. This design ensures more consistent pad bite and significantly reduces brake fade during spirited street driving or high-intensity track sessions.

Built to handle the thermal demands of heavy use, these rotors serve as a direct replacement for the factory rear units. The slotted design not only improves initial bite but also helps maintain a clean pad surface for reliable performance across a wide temperature range.

• Direct replacement for OE Ford Shelby GT350/GT350R rear rotors
• Slotted surface for superior debris evacuation and pad degassing
• Optimized for improved cooling and thermal management
• Manufacturer Part Number: A2-162

Fits 2017-2019 Porsche 911 Carrera (991.2) models originally equipped with Porsche Ceramic Composite Brakes (PCCB).

The GiroDisc A2-156 slotted rear rotors offer a high-performance 2-piece replacement for factory ceramic discs. This system utilizes a high-carbon iron rotor ring and a lightweight 6061-T6 aluminum hat to reduce unsprung weight while providing superior thermal management. Specifically designed for models running an iron rotor pad shape, these rotors are a preferred choice for owners seeking a more durable and cost-effective braking solution for aggressive street and track use compared to OEM ceramic components.

• Direct replacement for rear PCCB rotors on 991.2 Carrera applications
• Configured specifically for compatibility with iron rotor pad shapes
• 2-piece construction with a high-strength aluminum center hat
• Slotted disc surface helps evacuate brake dust and gases for consistent bite
• Reduces rotational mass and improves cooling efficiency
• Manufacturer Part Number: A2-156

Fits Porsche 911 GT3, GT3 RS, and GT2 RS (991) equipped with factory PCCB brakes utilizing the iron rotor pad shape.

The GiroDisc A2-154 slotted rear rotors are a high-performance two-piece replacement designed specifically for 991-chassis GT-series Porsches originally equipped with Porsche Ceramic Composite Brakes (PCCB). These rotors allow owners to substitute their factory ceramic units for a durable, high-carbon iron braking surface, preserving the expensive PCCB rotors while maintaining exceptional thermal management and stopping power.

• Two-Piece Design: Utilizes a lightweight 6061-T6 aluminum hat and a high-carbon iron disc to reduce unsprung weight and rotational mass.
• Advanced Cooling: Features directionally curved internal vanes that maximize airflow and heat dissipation under heavy track or spirited street use.
• Slotted Surface: Effectively clears brake dust, gases, and debris to maintain a clean pad-to-rotor interface for consistent bite and performance.
• PCCB Optimization: Engineered specifically for the PCCB caliper offset but requires the use of iron rotor shape pads for correct fitment.
• MPN: A2-154

Fits 2017+ Audi RS4 and RS5 (B9) models.

The GiroDisc A2-149 Slotted Rear Rotors are high-performance replacements engineered to provide superior braking consistency and cooling compared to standard units. These rotors feature a precision-slotted surface that helps to evacuate brake dust and gases, ensuring a clean contact patch between the pad and the rotor surface during spirited driving or heavy braking sessions.

To ensure long-term durability and maintain a clean appearance, these rotors are finished with a protective zinc plating. This coating helps prevent corrosion on the rotor hats and internal cooling vanes, which is essential for vehicles driven in regions where road salt or high moisture is common. As a direct-replacement component, these rotors install easily to factory mounting points without modification.

• Manufacturer Part Number: A2-149
• Position: Rear
• Surface Finish: Zinc Plated
• Rotor Style: Slotted
• Compatibility: Direct OE replacement for Audi B9 RS4/RS5

Fits 2012-2017 Mercedes-Benz SL63 (R231) models excluding those equipped with Carbon Ceramic Brakes (CCM).

GiroDisc slotted rear rotors are engineered as high-performance, direct bolt-on replacements for the factory units on your SL63. These two-piece rotors utilize a high-carbon iron disc for optimal friction and thermal stability, paired with a lightweight 6061-T6 aluminum center hat to reduce unsprung weight. The proprietary internal vane design improves cooling efficiency, enhancing both braking response and longevity during spirited driving or track use.

• Manufacturer Part Number: A2-148
• Position: Rear (Left and Right)
• Rotor Design: 2-Piece Slotted
• Rotor Material: High-carbon iron alloy
• Hat Material: 6061-T6 aluminum (Gold Anodized)
• Hardware: High-strength Grade 12.9 cap screws with cadmium plating
• Fitment: Direct replacement for R231 chassis without Carbon Ceramic Brake option

Fits Porsche 911 GT3, GT3 RS, and GT2 RS (991) models originally equipped with factory iron brake rotors; excludes vehicles with Porsche Ceramic Composite Brakes (PCCB).

GiroDisc A2-146 slotted rear rotors are high-performance replacements engineered to optimize the braking system of the 991-chassis Porsche GT series. The precision-machined slotted surface helps evacuate brake dust, moisture, and hot gases that can accumulate between the pad and rotor during aggressive use. This design maintains a clean contact patch, ensuring a consistent friction coefficient and improved initial bite under heavy braking conditions.

These rotors serve as a direct bolt-on upgrade for the factory iron discs, providing superior thermal management and increased resistance to brake fade during track days or spirited driving. By utilizing high-quality metallurgy and a specialized cooling vane design, GiroDisc delivers a component capable of handling the extreme heat cycles generated by high-horsepower Porsche applications.

• Direct replacement for OEM iron rear rotors
• Slotted finish for effective pad degassing and debris removal
• Engineered for improved heat dissipation and thermal stability
• Designed for use with factory calipers and mounting points
• Manufacturer Part Number: A2-146

Fits 2008-2016 Audi S4 and S5 (B8). These GiroDisc A2-130 rear rotors provide a precision-engineered upgrade over factory brake discs, designed to improve thermal management and consistent braking response.

The slotted surface is CNC-machined to effectively evacuate brake dust, moisture, and gases that can accumulate between the pad and rotor during heavy use. This ensures a clean contact patch and reduces the risk of brake fade. To maintain a clean appearance and prevent oxidation in the hub and cooling vanes, these rotors are finished with a silver zinc plating.

• Direct replacement for factory rear rotors
• Precision-slotted design for superior pad degassing and debris removal
• Zinc plated finish for long-lasting corrosion resistance
• Designed for street and performance driving applications
• Compatible with factory calipers and parking brake systems
• Manufacturer Part Number: A2-130

Fits 2020 Subaru WRX equipped with the Performance Package and Brembo calipers.

Enhance the braking performance and thermal management of your WRX with GiroDisc slotted rear rotors. These precision-machined rotors are designed as a direct replacement for vehicles equipped with the factory Brembo brake upgrade found in the Performance Package. The slotted design serves a critical functional purpose: it provides a path for brake dust, water, and gasses to escape from between the pad and the rotor surface, ensuring a clean contact patch and consistent initial bite even under heavy load.

• Precision-slotted surface for superior heat dissipation and gas venting
• Engineered as a direct replacement for OE rotors on Brembo-equipped models
• Maintains optimal pad-to-rotor interface to reduce brake fade
• High-quality casting and machining for durability and performance
• Manufacturer Part Number: A2-095

Fits 2015-2024 Ford Mustang S550 models.

The GiroDisc A2-067 2-piece slotted rear rotors are a high-performance braking upgrade designed to replace factory units with a lighter, more efficient solution. By utilizing a 2-piece floating design, these rotors significantly reduce unsprung weight and rotational mass, leading to improved suspension recovery and sharper vehicle acceleration.

Each assembly features a high-carbon iron rotor ring for maximum thermal stability and a lightweight 6061-T6 aluminum hat with a signature gold anodized finish. The slotted surface design effectively evacuates brake dust and gases, ensuring a clean pad-to-rotor contact patch and consistent pedal feel during aggressive street driving or heavy track sessions.

• Manufacturer Part Number: A2-067
• Construction: 2-Piece floating rotor assembly
• Rotor Material: High-carbon iron
• Hat Material: 6061-T6 aluminum (Gold Anodized)
• Surface Style: Slotted for superior degassing
• Application: Direct OE replacement for S550 chassis

Fits 2006 Audi R8 models (Excl. CCM). This GiroDisc 2-piece slotted rear rotor system is engineered to upgrade braking performance by increasing the rotor diameter to 380mm. The slotted surface design effectively evacuates brake dust, gases, and heat, providing a more consistent pedal feel and reducing brake fade during high-performance use.

This kit (MPN A2-050) includes the required spacers to relocate the factory calipers for the larger rotor size. The 2-piece construction utilizes a high-carbon iron rotor ring bolted to a lightweight, aircraft-grade aluminum hat. This floating design reduces unsprung weight and allows for better thermal expansion, preventing the rotor warping common in heavy-duty applications.

• Diameter: 380mm
• Type: 2-Piece Floating Slotted Rotors
• Position: Rear
• Included Components: Pair of rotors and caliper spacers
• Compatibility: For vehicles without Carbon Ceramic Brakes (Excl. CCM)
• Manufacturer Part Number: A2-050

Fits 2008-2015 Mitsubishi Lancer Evolution X models.

Upgrade your braking system with GiroDisc Slotted Rear Rotors, specifically engineered to enhance the performance and reliability of the Evolution X. These rotors serve as a high-quality replacement for the factory units, utilizing a precision-machined slotted design to improve initial bite and maintain a clean pad surface. By effectively venting gasses and clearing debris, they prevent pad glazing and ensure consistent friction during aggressive driving or track use.

• Direct replacement for Mitsubishi Lancer Evo X rear rotors
• Precision slotted surface for superior outgassing and debris removal
• Optimized thermal management to reduce brake fade
• High-stability casting for long-term durability and resistance to warping
• Sold as a pair
• Manufacturer Part Number: A2-047

Fits 2013-2016 Porsche Cayman and Boxster (981) Base models.

Upgrade your vehicle's braking efficiency and reduce unsprung weight with the GiroDisc A2-035 2-piece slotted rear rotors. These high-performance rotors are engineered as a direct replacement for the factory 325mm units, providing a significant improvement in heat dissipation and pedal feel. The 2-piece design utilizes a lightweight 6061-T6 aluminum center hat mated to a high-carbon cast iron disc, which allows for better thermal management and less rotational mass compared to traditional one-piece rotors.

• Direct Fitment: Designed to bolt onto the factory mounting points without modification.
• Cooling Efficiency: Features a curved vane internal architecture that acts as a centrifugal pump to move cooling air through the rotor.
• Floating System: Uses a CAD-designed pin-drive system to allow the disc to expand radially as it heats, preventing warping and stress cracks.
• Slotted Surface: The slotted face helps evacuate brake dust, water, and gasses, ensuring a clean pad-to-rotor contact patch during aggressive driving or track use.
• Part Number: A2-035
• Diameter: 325mm
• Construction: 2-Piece (Cast Iron Disc / Aluminum Hat)

Fits 1999-2008 Porsche 911 Carrera models (996 and 997.1 generations).

The GiroDisc A2-033 slotted rear rotors are engineered as a high-performance direct replacement for your factory Porsche brake discs. These rotors utilize a specialized high-carbon iron alloy to provide exceptional thermal stability and wear resistance, even under aggressive street or track conditions. The precision-machined slots serve to vent gases and debris from the pad-to-rotor interface, ensuring a consistent bite and significantly reducing brake fade during repeated high-speed stops.

• Direct OE-replacement fitment for the rear axle
• Precision-slotted surface for improved outgassing and pad cleaning
• High-carbon iron metallurgy for enhanced durability and heat management
• Corrosion-resistant coating on non-friction surfaces
• Optimized for consistent pedal feel and stopping power
• Manufacturer Part Number: A2-033

Fits 2012-2016 Porsche 911 Carrera and Carrera 4 (991.1) models.

GiroDisc A2-032B 2-piece slotted rear rotors are designed as a high-performance replacement for the factory discs on the 991.1 Carrera and C4. By utilizing a lightweight 6061-T6 aluminum center hat and a proprietary high-carbon cast iron rotor ring, these rotors significantly reduce unsprung weight and rotating mass. The slotted surface design facilitates the escape of water, gas, and debris for more consistent braking performance, while the curved internal vanes maximize airflow for superior heat dissipation during high-stress driving.

• Direct bolt-on replacement for the OEM 350mm rear rotors
• Two-piece design reduces unsprung weight for improved handling and suspension response
• Proprietary cast iron alloy rotor rings for increased durability and thermal stability
• Black anodized 6061-T6 aluminum center hats
• Slotted surface clears brake dust and prevents pad glazing
• High-strength cadmium plated alloy steel drive hardware
• Manufacturer Part Number: A2-032B

Fits select 2009-2012 Porsche 911 Carrera (997.2) models.

Upgrade your Porsche's braking performance and thermal capacity with GiroDisc slotted rear rotors. These two-piece floating rotors are designed as a direct replacement for the factory units, bolting to the OE mounting points without modification. By utilizing a lightweight 6061-T6 aluminum hat and a high-carbon steel rotor ring, these units significantly reduce unsprung weight at the corners for improved suspension response and handling.

• Two-piece floating design for optimal thermal expansion and reduced rotor warping
• High-carbon steel rotor rings for superior durability and friction consistency
• Lightweight 6061-T6 aluminum center hats with a black anodized finish
• Slotted surface to clear brake dust, debris, and gases while maintaining maximum pad contact
• Direct bolt-on replacement for original equipment (OE) rear rotors
• Manufacturer Part Number: A2-032A

Fits select Porsche 911 Carrera (997) models equipped with PCCB and the GT3/Turbo brake pad shape.

GiroDisc high-performance slotted rear rotors are engineered as a direct replacement for factory ceramic (PCCB) discs. These two-piece rotors provide a cost-effective and durable iron conversion for enthusiasts who require consistent braking performance and lower operating costs during track use or spirited driving. By utilizing the GT3 and Turbo pad profile, these rotors allow for a wider range of high-performance brake pad options.

• Direct Replacement: Designed to bolt directly onto Porsche 997 models with factory PCCB systems.
• Two-Piece Floating Design: Reduces unsprung weight and allows the rotor ring to expand thermally without distorting the hat.
• Superior Cooling: Curved internal vanes act as a centrifugal pump to pull cool air through the rotor, managing temperatures more effectively than OE discs.
• Premium Materials: High-carbon iron alloy rings paired with 6061-T6 aircraft-grade aluminum hats for strength and weight savings.
• Slotted Surface: Helps evacuate brake dust, gases, and debris for a consistent friction coefficient and improved initial bite.
• Manufacturer Part Number: A2-032

Fits Porsche Boxster S (986) models.

GiroDisc slotted rear rotors are high-performance replacements for factory brake discs, engineered to improve braking consistency and pedal feel. These 325mm rotors feature a precision-machined slotted surface that effectively vents gasses and wipes away debris, preventing pad glazing during spirited driving or track sessions. The high-carbon iron construction provides superior thermal stability, ensuring the rotors handle extreme heat cycles without warping or cracking.

• Precision-machined 325mm diameter specifically for the Porsche 986 Boxster S.
• High-carbon iron casting for optimized thermal conductivity and durability.
• Slotted friction surface clears brake dust, water, and gasses for consistent pad contact.
• Black electro-coating on the hub and non-friction surfaces prevents corrosion.
• Directional internal vanes maximize airflow and cooling efficiency.
• Manufacturer Part Number: A2-031

Includes one pair (set of 2) of rear slotted brake rotors.

Fits 1999-2007 Mitsubishi Lancer Evolution VI, VII, VIII, and IX models.

GiroDisc A2-008 rear rotors are a high-performance 2-piece upgrade designed to replace the factory units on the Mitsubishi Lancer Evolution 6-9. By utilizing a two-piece construction, these rotors significantly reduce unsprung weight at the rear corners while improving thermal management. The rotor rings are cast from a proprietary high-carbon iron to ensure friction stability and long-term durability under heavy track or spirited street use.

The hats are machined from 6061-T6 aircraft-grade aluminum and finished with a gold anodizing for superior corrosion resistance. This floating mounting system allows the rotor ring to expand and contract independently of the center hat during extreme temperature cycles, preventing warping and the pedal pulsation often associated with single-piece OE rotors.

• Direct OE-replacement fitment for the rear axle
• High-carbon iron rotor rings for maximum heat dissipation
• Lightweight 6061-T6 aluminum hats reduce unsprung rotational mass
• Precision slotted surface clears brake dust, gases, and debris
• Manufacturer Part Number: A2-008

Fits 2004-2007 Subaru Impreza WRX STI models. Please note: these rotors require the use of trimmed rear brake pads for proper fitment and clearance.

GiroDisc high-performance slotted rear rotors (MPN: A2-007) are engineered to provide superior thermal management and braking consistency compared to standard smooth rotors. The precision-machined slots act as a wiper for the brake pads, clearing away gas, water, and debris to ensure a clean contact patch and a more predictable pedal feel during aggressive driving or track sessions.

• Manufacturer Part Number: A2-007
• Position: Rear Axle
• Rotor Style: Slotted for improved outgassing and heat dissipation
• Fitment: Specific to 2004-2007 STI hubs
• Requirement: Must be used with trimmed rear pads

By reducing brake fade and maintaining a consistent friction surface, these rotors are a critical upgrade for STI owners demanding more from their factory braking system. Each rotor is manufactured to exacting tolerances to ensure a direct fit and long-term durability under high-heat conditions.

Fits 2022+ Lotus Emira.

Upgrade your braking system with the GiroDisc A1-388 slotted front rotors, specifically engineered for the 2022+ Lotus Emira. These 370mm rotors are high-performance 2-piece replacements designed to offer superior cooling and weight reduction over the factory discs. The slotted surface design ensures continuous pad degassing and maintains a clean friction surface for consistent pedal feel and bite during spirited driving or track use.

• Direct 370mm front fitment for 2022+ Lotus Emira models
• 2-piece construction reduces unsprung weight for improved suspension response
• Curved internal vane design optimizes airflow for enhanced heat dissipation
• High-carbon iron rotor rings for maximum durability and thermal stability
• Manufacturer Part Number: A1-388

Fits 2020-2024+ BMW M3 and M4 (G80/G82/G83) models equipped with factory Carbon Ceramic Brakes (CCB).

The GiroDisc A1-322 2-piece slotted front rotors are engineered for high-performance driving and track use, providing a durable iron replacement for the expensive factory carbon ceramic rotors. These 400mm rotors utilize a high-carbon iron disc paired with a lightweight 6061-T6 aircraft-grade aluminum hat. The floating hardware system allows the rotor ring to expand and contract independently of the hat when subjected to extreme heat, preventing warping and maintaining a consistent pedal feel under heavy braking.

• 400mm diameter direct replacement for CCB-equipped front rotors
• High-carbon iron rotor rings for superior thermal capacity and friction
• 6061-T6 aluminum hats with gold zinc finish to reduce unsprung weight
• Curved vane design optimizes cooling airflow through the rotor
• Slotted surface provides a continuous bite and clears brake dust and gases
• Fully rebuildable design with replaceable rotor rings
• Manufacturer Part Number: A1-322

Fits 2020-2024 Chevrolet Corvette Z06 (C8) models equipped with the factory iron brake package.

Engineered as a direct high-performance replacement for the OE iron discs, these GiroDisc slotted front rotors are designed to handle the thermal demands of spirited driving and track use. The precision-machined slotted surface effectively evacuates water, brake dust, and gasses, ensuring a clean contact patch between the pad and rotor for consistent bite and improved pedal feel. These rotors maintain factory fitment, allowing for a straightforward installation that utilizes the original calipers and mounting points.

• Part Type: Slotted Front Brake Rotors
• Rotor Style: Slotted for superior heat and debris evacuation
• Compatibility: Specifically for C8 Z06 models with factory iron rotors (non-carbon ceramic)
• Installation: Direct bolt-on replacement for factory units
• Manufacturer Part Number: A1-319

Fits 2021-2024 Cadillac CT4-V Blackwing.

GiroDisc A1-318 2-piece floating rotors are designed as a high-performance direct replacement for the factory front discs. These rotors utilize a lightweight 6061-T6 aluminum hat mated to a proprietary high-carbon iron friction ring, significantly reducing unsprung weight and rotating mass to improve suspension response and acceleration. The slotted design ensures the brake pads remain clean and degassed, providing a consistent pedal feel under heavy thermal loads.

• Weight Reduction: 2-piece construction reduces unsprung weight compared to heavy cast-iron OE rotors.
• Enhanced Cooling: Features a curved vane internal design that acts as a centrifugal pump to pull cool air through the rotor.
• Premium Materials: Friction rings are cast from a proprietary high-carbon iron alloy for superior wear resistance and thermal stability.
• Serviceability: The floating design allows the friction ring to expand and contract independently of the hat, and the rings can be replaced while reusing the aluminum hats.
• Hardware: Includes high-strength alloy steel drive pins with Cadmium plating for maximum corrosion resistance.
• Part Number: A1-318

Fits 2018-2024 Audi S4, S5, and SQ5 (B9/B9.5 chassis) models equipped with 3.0T engines.

GiroDisc A1-311 2-piece rotors are a direct high-performance replacement for the factory front discs. By utilizing a lightweight 6061-T6 aluminum hat and a high-carbon iron rotor ring, these units significantly reduce unsprung weight and rotating mass. This improved weight distribution enhances suspension response and acceleration while providing superior thermal management compared to heavy, one-piece cast iron rotors.

The floating design allows the friction ring to expand and contract independently of the hat as temperatures rise, preventing the warping and coning often seen in OEM rotors during spirited driving or track use. The slotted surface ensures consistent pad bite by evacuating dust, water, and gases, while the zinc plating provides a durable barrier against corrosion.

• Manufacturer Part Number: A1-311
• Position: Front Axle
• Rotor Style: 2-Piece Floating Slotted
• Material: High-Carbon Iron friction ring with 6061-T6 aluminum hat
• Finish: Zinc Plated
• Compatibility: Replaces factory front rotors without modification

Fits 2006 Mercedes-Benz CLS55 AMG (W219) models without the P30 Performance Package.

Upgrade your vehicle's braking performance with the GiroDisc A1-308 slotted front rotors. Designed as a high-performance replacement for the factory components, these rotors utilize a two-piece construction to provide significant weight savings and superior thermal management. By pairing a lightweight 6061-T6 aluminum center hat with a high-carbon iron disc, GiroDisc reduces unsprung weight to improve both suspension response and handling.

• Two-piece design with 6061-T6 aircraft-grade aluminum hats
• High-carbon iron alloy disc for maximum durability and thermal stability
• Slotted surface helps clear brake dust, debris, and gases for consistent pad bite
• Directional curved vanes optimize airflow and cooling efficiency under heavy use
• Direct bolt-on fitment for models without the P30 Package
• Manufacturer Part Number: A1-308

Fits 2020+ Toyota GR Supra (3.0L).

GiroDisc Front Slotted Rotors (A1-307) are engineered as a high-performance replacement for the factory braking system on the GR Supra. These rotors are precision-machined to provide superior heat management and debris evacuation, ensuring your braking remains consistent even under heavy thermal loads. The slotted design effectively clears gas and dust from the pad surface, improving initial bite and preventing brake fade during spirited driving or track use.

• Direct-fit replacement for the factory front rotors
• Precision-slotted surface maintains pad cleanliness and improves bite
• Advanced internal cooling vane design for efficient heat dissipation
• High-grade metallurgy for durability and thermal stability
• Manufacturer Part Number: A1-307

Designed for Porsche 911 GT3 RS (992) models equipped with 36mm front rotors (excluding Porsche Ceramic Composite Brakes / PCCB).

GiroDisc Slotted Front Rotors (A1-306) are high-performance replacements engineered to enhance the braking capabilities of the 992-generation GT3 RS. These rotors feature a precision-machined slotted surface that effectively evacuates pad outgassing and debris, ensuring a consistent friction surface and improved initial bite. Designed as a direct replacement for the factory 36mm iron rotors, they offer the thermal management and durability required for both spirited street driving and demanding track sessions.

• Optimized slotted design for superior pad outgassing and cooling
• Engineered for 36mm thickness front iron brake systems
• Direct fitment for the Porsche 911 GT3 RS (992) chassis
• Enhances braking consistency and reduces fade
• Manufacturer Part Number: A1-306