The Revolution Gear & Axle GM 12-bolt car ring-and-pinion master install kit. Intended for GM 12-bolt car rear axle applications, the kit brings together the installation hardware and service items needed to install or adjust ring and pinion gearsets during axle rebuilds, aiding technicians in achieving proper gear alignment and fit in GM 12-bolt car differentials.
Revolution Gear & Axle GM 12-Bolt Car Ring & Pinion Master Install Kit