Girodisc Dodge Viper ACR Rear Iron Rotor Conversion Skyline GT-R Taking the premium ACL bearing

Taking the premium ACL bearing a step further

OEM-style and -AN adapter fittings

with gains of up to 15hp and 18ft-lb of torque

Fluid Lock technology ensures oil cannot re-enter intake system even under high-G conditions

✓ Creates pass-through connections

Girodisc Dodge Viper ACR Rear Iron Rotor Conversion Skyline GT-R Taking the premium ACL bearingThe Girodisc system is a direct replacement for the OE disc, no modifications are necessary. The disc will bolt directly to the car and work with OE calipers and parking brake without issue. The central hat section of our rotor is made from strictly U. S. sourced 6061 T6 aircraft specification aluminum. The disc is made from our own proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc. The rotor utilizes a