Specification: 100% brand new, Never been tried or installed Type: Booster & Master Cylinder Finish: Chrome 8 single Chrome brake booster with zinc Master Cylinder. The booster mounts with a 4-bolt pattern. The 4 bolts are in a perfect square and are 3 3/8" apart (center to center). The master cylinder features a 1" bore and the ports measure 9/16" and 1/2". Professional Installation is Highly Recommended Installation Instruction is NOT Included Fitment: .
