Search here...
To fit on the hats of Girodisc A1-203 rotors, supplied with new drive pins.
Pair made up of the single part numbers: D1-203SL (left) and D1-203SR (right)
Fits: Porsche 911 Carrera / Carrera 4 (991.2, 992.1), 718 Boxster GTS / Boxster S (982), 718 Cayman S / Cayman GTS (982C)
Before ordering check the compatibility list at the bottom of the page or ask us for advice.
SPENDING OVER €400?
GET FREE SHIPPING ACROSS THE EU*!
At M4Tuning, we reward you: enjoy free shipping across the European Union when your order exceeds €400!
*Some areas excluded: Malta, Canary Islands, Réunion, Ireland, Greece, and Cyprus.
PAY IN EASY INSTALLMENTS WITH KLARNA
Select Klarna at checkout and split your purchase into interest-free payments, with no additional costs.
*Subject to approval by Klarna at the time of checkout.| FOLLOW US ON INSTAGRAM | FOLLOW US ON FACEBOOK |
 |  |
Girodisc D1-203
Pair of replacement rings for front brake rotors
Girodisc is an American company founded in 2003 in California and based since 2007 in Bellingham, Washington, where it designs and builds two-piece floating brake rotors for sports cars, supercars and track cars. The iron castings for the friction rings are poured in the USA and every part is machined and inspected in the Girodisc factory.
This item is the cast iron replacement ring (also called rotor ring or friction ring) for Girodisc A1-203 rotors: it fits onto the Girodisc hat already on the car and comes with new drive pins and assembly instructions. It is not compatible with hats from other brands or with factory two-piece rotors.
If you run Girodisc rotors on track days you do not need to buy complete rotors again: when the ring reaches its minimum thickness, often after more than one season depending on use, you replace only this pair of rings and keep the hats already fitted.
Diameter: 350 mm
Thickness: 34 mm
Minimum thickness: 32 mm
OE rotor diameter: 330 mm
Finish: curved slots
Ring material: cast iron
Package contents: 2 friction rings (left D1-203SL and right D1-203SR) with new drive pins
Pair code: D1-203
Part numbers: D1-203SL, D1-203SR
Images for reference only: the photo is a generic Girodisc picture; ring size and pattern vary by application. The technical drawing shows how the ring is fitted to the hat.
No Girodisc hat on the car yet? You need the pair of complete Girodisc A1-203 rotors. To complete the system see the Girodisc brake pads and all Girodisc rotors for Porsche.
Availability: usually shipped within 3-4 working days from the European warehouse; codes not in stock are delivered within about 15 days. Contact us for up-to-date availability.
Compatibility:
Porsche 911 Carrera 3.0 Twin Turbo (991.2) 2015-2019
Porsche 911 Carrera 4 3.0 Twin Turbo (991.2) 2015-2019
Porsche 911 Carrera 3.0 Twin Turbo (992.1) 2019-2025
Porsche 911 Carrera 4 3.0 Twin Turbo (992.1) 2019-2025
Porsche 718 Boxster GTS 2.5 Turbo (982) 2017-2020
Porsche 718 Boxster S 2.5 Turbo (982) 2016-present
Porsche 718 Cayman S 2.5 Turbo (982C) 2016-present
Porsche 718 Cayman GTS 2.5 Turbo (982C) 2017-2020
List supplied by the European Girodisc distributor. If your car is not listed or you have any doubt, contact us before ordering.
To fit on the hats of Girodisc A1-203 rotors, supplied with new drive pins.
Pair made up of the single part numbers: D1-203SL (left) and D1-203SR (right)
Fits: Porsche 911 Carrera / Carrera 4 (991.2, 992.1), 718 Boxster GTS / Boxster S (982), 718 Cayman S / Cayman GTS (982C)
Before ordering check the compatibility list at the bottom of the page or ask us for advice.
SPENDING OVER €400?
GET FREE SHIPPING ACROSS THE EU*!
At M4Tuning, we reward you: enjoy free shipping across the European Union when your order exceeds €400!
*Some areas excluded: Malta, Canary Islands, Réunion, Ireland, Greece, and Cyprus.PAY IN EASY INSTALLMENTS WITH KLARNA
Select Klarna at checkout and split your purchase into interest-free payments, with no additional costs.
*Subject to approval by Klarna at the time of checkout.| FOLLOW US ON INSTAGRAM | FOLLOW US ON FACEBOOK |
| | |
WE SHIP EVERY ORDER DIRECTLY FROM OUR WAREHOUSE IN ITALY, USING ONLY SELECTED EXPRESS COURIERS.
NOT ALL ITEMS ARE IMMEDIATELY AVAILABLE. ASK US FOR CURRENT STOCK STATUS.
