Girodisc Dodge Viper ACR Rear Iron Rotor Conversion Skyline GT-R OEM-style and -AN adapter fittings

OEM-style and -AN adapter fittings

Taking the premium ACL bearing a step further

The material that the components are made from is very critical

PROGRESSIVE SPRING RATE - ENJOY YOUR DRIVE

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

Girodisc Dodge Viper ACR Rear Iron Rotor Conversion Skyline GT-R OEM-style and -AN adapter fittingsThe 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