Description

Its a 8" Heavy Duty Dual Diaphragm Brake Booster with a Mastery Cylinder with 1-1/8" Bore. These heavy duty power brake conversion kits convert a single diaphragm booster to a dual diaphragm setup which creates more braking power with less pedal pressure. Engine vacuum needs to be a minimum of 18 inches of vacuum at idle when engine is warm for power brake setup to function properly. Designed for Aftermarket Axles. Without ABS.