Fits 2005-2013 Chevrolet Corvette ZR1, Z06, and Carbon Edition models. These GiroDisc slotted front rotors (MPN: A1-145) are engineered for high-performance braking, offering superior heat management and gas evacuation compared to standard smooth rotors.

Precision-machined slots on the rotor face maintain a clean pad surface by venting gases and debris, resulting in more consistent pedal feel and improved initial bite. These units are designed to bolt directly to the factory mounting points, making them a reliable upgrade for track-day enthusiasts and high-performance street builds requiring increased thermal capacity.

• Manufacturer Part Number: A1-145
• Position: Front
• Rotor Style: Slotted
• Application: 2005-2013 Chevrolet Corvette (ZR1, Z06, Carbon Edition)
• Installation: Direct bolt-on replacement for factory rotors

Fits 2012 Mercedes-Benz C63 AMG Black Series (W204).

Upgrade the braking performance of your W204 Black Series with GiroDisc slotted front rotors. These rotors are engineered as a direct replacement for the factory units, providing the thermal management and consistency required for high-performance driving. The precision-machined slotted surface helps evacuate brake gases and debris, maintaining a clean contact patch between the rotor and pad for more predictable bite and reduced fade.

• Manufacturer Part Number: A1-123
• Position: Front (Pair)
• Surface Finish: Slotted
• Fitment: 2012 Mercedes-Benz C63 AMG Black Series (W204)
• Direct replacement for OE rotor units

Fits Porsche 911 Carrera S, 4S, and GTS (991.1) models.

GiroDisc A1-122 front rotors are engineered as a high-performance, two-piece direct replacement for the factory 350mm discs. By utilizing a lightweight aluminum center hat and a high-carbon iron disc, these rotors reduce unsprung weight and rotational mass, resulting in improved suspension response and faster heat dissipation. The slotted surface ensures consistent braking performance by clearing brake dust, water, and gases from the pad interface while providing a refreshed leading edge for maximum bite.

• Position: Front Axle
• Rotor Diameter: 350mm
• Rotor Style: Slotted
• Design: 2-Piece Lightweight Assembly
• Manufacturer Part Number: A1-122

Fits 2005-2013 Chevrolet Corvette Z06 and Grand Sport (C6).

GiroDisc slotted front rotors are engineered as a high-performance replacement for the factory braking system on the C6 Z06 and Grand Sport models. The slotted design provides a continuous cleaning of the brake pad surface, evacuating gases and dust to ensure a consistent coefficient of friction and improved initial bite. These rotors are designed for a direct bolt-on installation, maintaining factory caliper compatibility while offering enhanced thermal capacity and durability during spirited driving or track sessions.

• Manufacturer Part Number: A1-117
• Position: Front Axle (Left and Right)
• Rotor Style: Slotted
• Application: C6 Corvette Z06 and Grand Sport
• Compatibility: Replaces factory front rotors

Fits 1999-2009 Honda S2000. These GiroDisc front rotors are engineered as a direct-replacement performance upgrade for the factory braking system. By utilizing a precision-machined slotted design, these rotors address the common issue of brake fade during spirited or track use by providing an exit path for gasses, heat, and debris.

The slotted surface ensures a clean contact patch between the pad and rotor, resulting in more consistent pedal feel and improved initial bite. These rotors are built to exacting tolerances to ensure a perfect fit with your factory calipers and mounting points, maintaining the OE balance while enhancing overall stopping performance.

• Direct replacement for factory front rotors
• Precision slotted surface for gas and dust evacuation
• Improved thermal management and reduced brake fade
• Maintains compatibility with OEM brake calipers
• Manufacturer Part Number: A1-104

Fits 2013-2014 Ford Mustang GT500 (S197) models equipped with the 5.8L engine.

GiroDisc Slotted Front Rotors (MPN: A1-091) are engineered to provide a high-performance alternative to factory brake discs. These rotors are specifically designed to meet the demands of the S197 GT500, offering improved heat management and consistent braking performance. The precision-machined slotted surface helps evacuate brake dust and gases that can build up between the pad and rotor, ensuring a clean contact patch and a more responsive pedal feel during high-load applications.

• Direct replacement for OE front rotors
• Slotted design for superior degassing and pad cleaning
• Optimized for high-performance and track-day use
• Sold as a pair
• Manufacturer Part Number: A1-091

Fits 2005-2009 Ford Mustang GT500, Boss 302, and GT (S197) models equipped with factory Brembo front calipers.

GiroDisc slotted front rotors (A1-081) are engineered for enthusiasts who demand consistent braking performance and superior heat management. These rotors feature a curved-vane design that acts as a centrifugal pump, pulling cool air through the disc to rapidly dissipate heat during aggressive driving or track sessions. The precision-slotted friction surface effectively clears brake dust, gases, and debris, maintaining a clean contact patch for improved initial bite and a firm, predictable pedal feel.

• Manufacturer Part Number: A1-081
• Position: Front (Pair)
• Rotor Style: Slotted
• Direct fit for S197 Mustang models with OE Brembo brake packages
• Optimized vane geometry for enhanced cooling and thermal stability

Fits 2015-2020 Alfa Romeo 4C models. Improve your braking consistency and thermal management with GiroDisc slotted front rotors, engineered for the high demands of spirited driving and track sessions.

These rotors utilize a precision-machined slotted pattern to facilitate the escape of water, gases, and brake dust from the pad-to-rotor interface. By constantly refreshing the pad surface and preventing the buildup of boundary layers, these rotors provide a more consistent pedal feel and significantly reduce the likelihood of brake fade under heavy thermal loads.

• Direct replacement for factory front rotors
• Slotted design helps maintain a clean pad surface and clear debris
• Optimized for superior heat dissipation and venting
• Engineered for high-performance applications
• Manufacturer Part Number: A1-078

Fits select 2015-2023 Ford Mustang GT and Mach 1 (S550) equipped with factory Brembo Performance Package front calipers.

The GiroDisc A1-067 is a high-performance 2-piece slotted rotor system designed as a direct replacement for the heavy 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 rotational mass, resulting in sharper turn-in and improved suspension response. The directional curved vanes optimize airflow for superior heat dissipation during aggressive track or street use.

• Construction: 2-piece design with reusable 6061-T6 aluminum hats and replaceable high-carbon iron rings.
• Cooling: Directional internal vanes act as a centrifugal pump for maximum thermal management.
• Braking Surface: Slotted face helps degas pads and maintain a clean contact surface under heavy braking cycles.
• Performance: Reduces rotational mass for improved acceleration and deceleration compared to single-piece OE rotors.
• Manufacturer Part Number: A1-067

Fits select 2006-2012 Porsche 911 Turbo (997) with PCCB and 2016-2023 Cayman GT4 (981/982) excluding PCCB.

The GiroDisc A1-066 slotted front rotors are a high-performance 2-piece braking solution designed to replace factory discs with a lightweight, floating system. For 997 Turbo owners, these serve as a reliable iron rotor conversion for vehicles factory-equipped with PCCB (Porsche Ceramic Composite Brakes). For Cayman GT4 owners with standard iron brakes, these offer a significant upgrade in thermal capacity and cooling efficiency.

Engineered for the rigors of track use and spirited driving, the 2-piece design reduces unsprung weight and allows the rotor ring to expand independently from the hat under extreme heat, preventing warping and pedal pulsation.

• Direct replacement for OE front rotors
• 2-piece floating design for superior heat dissipation
• Precision slotted surface to vent gasses and maintain pad bite
• High-strength aluminum hats with durable iron rotor rings
• Includes all necessary hardware for installation
• Manufacturer Part Number: A1-066

Fits Mitsubishi Lancer Evolution X models.

GiroDisc Slotted Front Rotors (A1-047) provide a high-performance braking solution for the Mitsubishi Lancer Evolution X. These rotors are engineered to replace the factory front discs, offering improved heat management and consistent pedal feel. The precision-machined slotted design helps evacuate brake dust, gases, and water from the rotor surface, ensuring the brake pads maintain optimal contact for superior initial bite and reduced fade during high-speed or track conditions.

• Direct replacement for OE Mitsubishi Evo X front rotors
• Precision-slotted surface for continuous pad cleaning and degassing
• Cast from high-carbon iron for enhanced thermal capacity and durability
• Optimized vane design for efficient heat dissipation
• Manufacturer Part Number: A1-047

Fits 2002-2004 Audi RS6 (C5).

Upgrade the braking performance and thermal management of your RS6 with this high-performance front rotor set from GiroDisc. These 380mm rotors feature a precision-slotted design to effectively degas the brake pads and sweep away debris, ensuring consistent pad-to-rotor contact even under heavy braking loads. The zinc-plated finish provides a layer of corrosion protection, keeping the rotor hats and vanes cleaner over time.

This kit is specifically engineered to replace the factory front rotors and includes the necessary spacers to ensure correct caliper offset and alignment. By maintaining a slotted-only surface, these rotors offer superior durability and resistance to heat-checking compared to drilled alternatives, making them an ideal choice for spirited street driving or track use.

• Diameter: 380mm
• Configuration: Slotted surface
• Finish: Zinc plated for corrosion resistance
• Position: Front
• Hardware: Includes required caliper spacers
• Manufacturer Part Number: A1-034

Fits 1999-2012 Porsche 911 Carrera S and 4S models (996/997 chassis).

GiroDisc high-performance slotted front rotors are engineered as a direct replacement for the factory discs on the Porsche 911 Carrera S and 4S. These 350mm rotors feature a high-carbon iron friction surface and a lightweight aluminum hat, reducing unsprung weight for improved suspension response and handling. The slotted design effectively clears brake dust, water, and gases from the pad interface, providing a more consistent pedal feel and increased initial bite during spirited driving or track use.

• Diameter: 350mm
• Configuration: Slotted Front Pair
• Construction: 2-piece design with 6061-T6 aluminum center hats
• Cooling: Directional curved vanes for optimized airflow and heat dissipation
• Hardware: High-strength cadmium-plated drive pins
• Manufacturer Part Number: A1-032A

These rotors are designed to work with the factory calipers and mounting points, maintaining the original braking bias while significantly improving thermal capacity and longevity compared to standard one-piece cast rotors.

Fits 2005-2012 Porsche 911 Carrera (997) models originally equipped with Porsche Ceramic Composite Brakes (PCCB) that utilize the GT3 or Turbo brake pad profile.

These GiroDisc slotted front rotors (A1-032) are engineered as a high-performance iron replacement for factory ceramic discs. This conversion allows for significantly reduced replacement costs and improved durability for track and high-performance street use. The 2-piece floating design maintains proper thermal management while ensuring consistent pedal feel and stopping power.

• Direct iron replacement for factory front PCCB ceramic rotors
• Specifically compatible with GT3 and Turbo pad shapes for maximum surface contact
• Slotted rotor face continuously clears gas and debris for improved bite
• Durable 2-piece construction with a focus on cooling and weight reduction
• Manufacturer Part Number: A1-032

Upgrade your braking performance with the GiroDisc A1-031 slotted front rotors, specifically engineered for the Porsche 911 Carrera (996 and 997.1 generations). These high-performance rotors are designed to handle the thermal loads of spirited driving while maintaining consistent pedal feel.

The precision-machined slotted surface helps evacuate brake dust, gases, and debris from the pad interface. This ensures a clean contact patch for more aggressive initial bite and significantly reduced brake fade during high-temperature operation. These rotors are a direct replacement for the factory units and are built to the exacting tolerances required for Porsche braking systems.

• Direct fit for Porsche 911 Carrera (996/997.1)
• Slotted design for superior gas venting and debris clearance
• Enhanced thermal capacity for improved heat dissipation
• Manufactured from high-quality proprietary iron alloy
• Manufacturer Part Number: A1-031

Fits 2001-2006 BMW M3 (E46) equipped with 345mm front rotors.

GiroDisc A1-012 slotted front rotors are designed as a high-performance replacement for the 345mm factory discs found on Competition Package (ZCP) and CSL-spec E46 M3s. These rotors utilize a two-piece construction to significantly reduce unsprung weight and rotating mass compared to traditional one-piece iron units. The slotted surface provides an escape path for brake dust, water, and gasses, ensuring the brake pads maintain a clean, consistent contact patch for reliable stopping power in both street and track environments.

• Direct fit for 345mm front rotor applications
• Two-piece design for improved heat management and weight reduction
• Precision-slotted face to minimize brake fade and glazing
• High-carbon iron rotor rings for increased thermal capacity
• Replaces factory part number 34112282445 / 34112282446 (345mm variants)
• Manufacturer Part Number: A1-012

Fits 1999-2007 Mitsubishi Lancer Evolution VI, VII, VIII, and IX. These GiroDisc Slotted Front Rotors (A1-008) are engineered as a direct replacement for the factory discs, providing a significant upgrade in thermal capacity and braking consistency. The slotted friction surface effectively channels away heat, water, and brake dust to maintain a clean interface between the pad and rotor, preventing glazing and brake fade during aggressive driving or track sessions.

By utilizing a 2-piece design with high-strength aluminum hats and cast iron rings, these rotors reduce unsprung weight at the corners of the vehicle. This reduction in rotating mass leads to improved suspension response and sharper handling. These units are designed to work seamlessly with the factory Brembo calipers while offering superior cooling efficiency compared to standard one-piece rotors.

• Direct replacement for OE Mitsubishi Evolution VI-IX front rotors
• Slotted surface for superior pad degassing and heat dissipation
• Lightweight 2-piece construction reduces unsprung rotating mass
• Precision machined for optimal balance and runout tolerances
• Manufacturer Part Number: A1-008

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

GiroDisc A1-007 slotted front rotors are engineered as a high-performance replacement for the OE brake discs on your Subaru WRX. The precision-machined slotted surface is designed to continuously sweep the brake pad face, evacuating heat, gases, and debris that can lead to brake fade. This ensures a more consistent pedal feel and improved bite during aggressive driving or track use.

These rotors maintain factory dimensions for a straightforward installation that utilizes your existing Brembo calipers. The slotted design also helps to shed water in wet weather conditions, ensuring reliable initial braking response regardless of the environment.

• Manufacturer Part Number: A1-007
• Position: Front (Pair)
• Rotor Style: Slotted
• Fitment: Select 2020 Subaru WRX (Performance Pkg w/ Brembo Calipers)
• Direct OE replacement fitment

Fits the 2003 Dodge Viper.

GiroDisc slotted front rotors (A1-006) are engineered to enhance braking performance by providing superior heat dissipation and debris clearance compared to standard blank rotors. These high-performance rotors are a direct-fit replacement designed for drivers who demand consistent stopping power and reduced brake fade during spirited driving or track sessions.

The precision-machined slots effectively vent gases, dust, and heat, ensuring a clean pad-to-rotor contact surface for improved initial bite and sustained friction levels. Built to exacting tolerances, these rotors serve as a reliable upgrade to the factory braking system.

• Precision-machined slots to vent gases and dust
• Reduces brake fade and improves heat dissipation
• Maintains clean pad surface for consistent friction
• Direct-fit installation on the front axle
• Manufacturer Part Number: A1-006