Girodisc Porsche 718, 991.2, 992 Carrera Front Replacement Rings GR Corolla ✓ 4 CNC-machined 6061 aluminum

✓ 4 CNC-machined 6061 aluminum retainers included (2 types)

COBB Change Map Slot: Map switching allows for instant changes to several tables inside the vehicles calibration without having to re-flash the ECU

Slotted friction face

and banjo bolt - no permanent modification to engine oil components required

this system delivers improved throttle response

Girodisc Porsche 718, 991.2, 992 Carrera Front Replacement Rings GR Corolla ✓ 4 CNC-machined 6061 aluminumOur replacement rings are sold in pairs and include replacement hardware. The only parts you will reuse are your existing GiroDisc hats. Please note that unless specifically noted, GiroDisc replacement rings are only designed to work with GiroDisc hats. They are not designed to be used with other brands, including hats from cars equipped with 2 piece rotors from the factory.