Earl's Straight Adapter Fitting -4 AN Male to 3/8 in NPT Male - Black 12199903 500 in Thick Spacers

500 in Thick Spacers

100 RPM Increments

Fits Fuel Cell - 22B-SB

1979-1993 GMC K2500 Suburban

Fuel Injection Pressure Regulator

Earl's Straight Adapter Fitting -4 AN Male to 3/8 in NPT Male - Black 12199903 500 in Thick SpacersProduct Description: Adapter Straight 4 AN Male to 3 8 in NPT 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