Rear Disc Brake Conversion, GM 10-12 Bolt Rearend, 12" Rotors Caliper Color:Black (PC-B3) 1/2-20 to -3AN and 9/16-18

1/2-20 to -3AN and 9/16-18 to -3AN

and a slot positions the pivot joint for a longer or shorter sweep and pointer alignment

11" Chrome Power Booster

Made of billet aluminum and then chromed for easy cleaning and no polishing required

These aluminum axle-pinion shims are a must when dialing in your suspension

Rear Disc Brake Conversion, GM 10-12 Bolt Rearend, 12" Rotors Caliper Color:Black (PC-B3) 1/2-20 to -3AN and 9/16-18Performance Online now offers you the option of upgrading the rear of your muscle or classic car and to 12" diameter rear disc brakes. This rear disc brake conversion is designed to fit the popular GM 10 and 12 bolt rearend. These kits come standard with aluminum PBR Calipers, Zinc plated drilled & slotted rotors and stainless brake hoses. Calipers have energency brakes integrated for your safety.