This Kit Contains: 1x Booster 1x Brake Master Cylinder Mounting Hardwares As shown in the picture above Features: Type: Booster & Master Cylinder Finish: Zinc 8 Zinc 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". Application: This 8" booster is ideal for most small to mid size street rods and customs. .
