Symmetrical 3.150 Housing End Rear Brake Kit Billet 4 Piston Calipers

Mark Williams 4-Piston Rear Brake Kits are engineered for unmatched drag racing performance, combining lightweight construction with reliable stopping power. Featuring our NEW precision-machined 7075 billet aluminum calipers, single thickness heavy duty rotors designed to reduce rotating mass and made of a proprietary material with tight tolerance in flatness and parallelism, these kits deliver consistent, fade-free braking when you need it the most.

For use with MW GM mid-size housing ends (p/n 58580) or lamb symmetrical housing ends. 

 Installation - Service instructions can be found on Service Bulletin #0035 and #0086.

Included:

• 2 - 81100B - MW Billet Aluminum 7075 4 Piston Brake Calipers
  
• 4 - 81130 - Brake pads for MW calipers.
• 2 - 71040 - Drilled alloy steel brake rotor
  
• 2 - Billet aluminum caliper brackets
• 1 - 58570 - Backing plate bolt kit (all kits except 71525 & 71550).
  
• Assembly Hardware