For use with MW GM stock housing ends with MW c-clip eliminator clip. Includes 5/16" thick 7075 aluminum caliper mounting brackets, aluminum brake hats that are drilled to accept 5/8" drive studs, 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 #0075, #0035, and #0086.