Olds/Pontiac Housing Ends 4 Piston 15" Bead Lock Rear Brake Kit

MW - Olds/Pontiac Housing Ends 4 Piston Rear Brakes - 71150 Mark Williams 4-Piston Rear Brake Kits are engineered for unmatched drag racing performance, combining lightweight construction with reliable stopping power. Featuring precision-machined billet calipers, single thick rotors designed to reduce rotating mass, these kits deliver consistent, fade-free braking when you need it the most. For use with MW Olds / Pontiac housing ends installed in stock position. Includes 5/16" thick 7075 aluminum caliper mounting brackets, aluminum brake hats that are drilled to accept 5/8" drive studs, Drilled slot-drive rotor attachment system, all required mounting hardware, and MW 4 piston calipers with linings. Installation - Service instructions can be found on Service Bulletin #0035, #0086 Included: 2 - 81100B - MW 7075 Billet Aluminum 4 piston Brake Calipers 4 - 81132 - Brake lining for MW calipers 2 - 71040 - Drilled steel brake rotor 1 - 58570 - Backing plate bolt kit (all kits except 71525 & 71550). 1 - 58575 - Backing plate bolt kit (71525 & 71550 kits only). Assembly Hardware