Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 1/2 in Hose Barb Outlet - Black 89401A 1975-1975 GMC Sprint

1975-1975 GMC Sprint

and pull-down tighten adjustment

An additional ignition circuit to support aftermarket components

1/8' NPT gauge port

Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 1/2 in Hose Barb Outlet - Black 89401A 1975-1975 GMC SprintThis 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: