For Chevy & Ford Universal Street Rod Zinc 7" Dual Diaphragm Power Brake Booster

Description:7" Zinc dual brake booster.This 7" 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).This is a great upgrade from a single diaphragm booster.A dual diaphragm booster offers 19% better stopping power over a single one.We highly recommend you purchase the booster and the master cylinder from our store together, which will be perfectly compatible. If you already have a deep pushrod master cylinder and purchase our short push rod booster alone, you might need a pushrod spacer for installation.Package: Including all the items in the pictures.Note: Professional Installation Is Highly Recommended (No Instruction Included).