Earl's Straight Adapter Fitting -6 AN Female to -4 AN Male - Black Weld Bung These valve covers are specifically

These valve covers are specifically designed for 92-96 Corvettes

2019 GMC Sierra 1500 4WD

or cam gear bolts

1960-1960 Dodge Truck

to 4 G cornering loads in Indy this design holds the internals firmly in place

Earl's Straight Adapter Fitting -6 AN Female to -4 AN Male - Black Weld Bung These valve covers are specificallyProduct Description: Adapter Straight 6 AN Female to 4 AN Male Aluminum Black Anodized Sold Individually Earl's Performance Products was founded by Earl Fouts in 1955 in Lawndale, California. The mission was to supply high quality military aircraft surplus plumbing components directly to the racing industry from a small retail outlet. As the military surplus market dried up, Earl recognized the need for continuity of supply for the racing market and