Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 3/8 in Hose Barb Outlet - Black PD160K Mounting surface is same thickness

Mounting surface is same thickness as stock with provisions for a rear mounted dry sump pump and starter

1958-1961 Plymouth Custom

1973-1974 Buick Regal

Works with stock factory carpet

super stock hose and hose ends have found favor with professional racers and in limited production OEM applications

Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 3/8 in Hose Barb Outlet - Black PD160K Mounting surface is same thicknessThis check valve is for use with naturally aspirated engines only (not for use w Turbocharged & Supercharged engines). Machined from Billet 6061 T6 Aluminum Anodized Black or Clear for Superior Corrosion Protection Choose from 6AN Male, 3 8" Barb, or 1 2" Barb for Vacuum Hose Fits Brake Boosters w 13 16" Hole for Grommet 1 2" Barb Fits Most GM LS Engines, 3 8" Barb Fits Most Other Domestic & Import Engines, 6AN Male for Use w AN Hose Valve Material: