A matched pair of service replacement rings and new hardware for owners already using the GiroDisc A1-203 front rotor system on a supported Porsche 992.1 Carrera.
Vehicle and system fitment
- Services the GiroDisc A1-203 front rotor system used on supported Porsche 992.1 Carrera applications
- Reuses the customer's existing genuine GiroDisc A1-203 aluminum hats
- Not compatible with factory Porsche two-piece hats or any other manufacturer's hats
- Confirm the existing hat part number and brake configuration before ordering
Key benefits
- Renews the iron friction surfaces without replacing serviceable GiroDisc hats
- Sold as a matched pair
- Includes new replacement mounting hardware
- Creates a planned service path for the existing A1-203 conversion
Technical specifications
- Manufacturer part number: D1-203
- Rotor outer diameter: 352 mm, as published by GiroDisc
- Application: replacement rings for GiroDisc A1-203 front hats
- Quantity: pair
What is included
Two replacement friction rings and replacement ring-to-hat hardware. Existing genuine GiroDisc hats are reused and are not included.
Supporting components
Inspect hats, drive-pin interfaces, brake pads, calipers, fluid and all brake hardware before installation. Do not reuse a damaged, cracked, distorted or out-of-spec hat.
Installation
Difficulty: Professional service. Ring replacement requires correct inspection, assembly practice, torque procedure, direction/orientation checks, rotor runout verification and bedding.