Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 6 AN Male Outlet - Clear Anodized MGXR Typically used on left front

Typically used on left front of Dirt Late Models or on the right rear of Dirt Modifieds

1979-1993 GMC G3500

Hex Size: 3/4"

s line of professional racing helmets

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Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 6 AN Male Outlet - Clear Anodized MGXR Typically used on left frontThis 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: