Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 6 AN Male Outlet - Black BR30020 snap ring groove to accept

snap ring groove to accept coil over kit

Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet aluminum pulley kits for maximum horsepower gains

Economical and Lightweight

Fits SU322B

Earl's Brake Booster Check Valve - 13/16 in Hose Barb Inlet - 6 AN Male Outlet - Black BR30020 snap ring groove to acceptThis 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: