This item features the Black Calipers, Red Calipers are also available. Complete Rear Disc Kit Includes. Multi-Pattern 11 Drilled & Slotted Rotors.Large GM Calipers with built in emergency brake (originally off of 1979 Cadillac Eldorado). Works on C-Clip or non C-Clip rear ends. Each rotor is drilled for GM 5 x 4.75'' w/ 7/16'' stud bolt patterns. Fits A- body GM Vehicles, Chevelle, or any mid-sized Chevy passenger car with a 10/12 bolt pattern & non-staggered shocks. (Does not fit the S10 Chassis or any other truck or full Size cars). The item "GM & Chevy 10 / 12 Bolt High Performance 11 Rear Disc Brake Conversion Kit, BLK" is in sale since Monday, June 26, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Brakes & Brake Parts\Discs, Rotors & Hardware". The seller is "stepps_auto_supply" and is located in Asheville, North Carolina. This item can be shipped worldwide.