Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 6 AN Male Outlet - Black Expansion Plug V-type or Individual shoulder harnesses

V-type or Individual shoulder harnesses

GMC: Sierra 3500 01 - 06 6 L Engine

Proper position of internal piston at higher rpm prevents lifters form harmful "pumping up"

Configurable Rally Nav display shows odometer

Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 6 AN Male Outlet - Black Expansion Plug V-type or Individual shoulder harnessesThis 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: