Check the listing for details. Chrome Impala 8"Power Booster + Bail Top Master Cylinder & Straight Bracket Kit. Condition: New. Listed at 131.27 USD. Chrome Impala Power Booster + Bail Top Master Cylinder & Straight Bracket Kit Description: 8" single CHROME brake booster with CHROME Ball Milled Master Cylinder, This 8" booster is ideal for most small to mid size street rods and customs. 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 in this kit is the Bail Top style, and features a 1" bore and the ports measure 9/16" and 1/2". This master cylinder will work with any drum/drum, disc/drum, or disc/disc setup.The Straight Mounting Brackets/Rod/ClevisPackage:Chrome Aluminum Brake Master Cylinder Bail Top 1" Bore Chrome 8" Single Booster The Straight Mounting Brackets/Rod/ClevisAs shown in our pictures Professional Installation is Highly Recommended (No Instruction Included)