Earl's Straight Bulkhead Adapter Fitting -12 AN Male to -12 AN Male Bulkhead - Black Air Suspension & Components Mil-Spec Black Anodized Finish for

Mil-Spec Black Anodized Finish for long lasting good looks

this piston stop features 18mm thread for use in Big Block Ford engines

1987-1996 GMC G3500

Extra-large radius base / studs are more resistant to flex and will provide a more positive seating

492 in Bore

Earl's Straight Bulkhead Adapter Fitting -12 AN Male to -12 AN Male Bulkhead - Black Air Suspension & Components Mil-Spec Black Anodized Finish forProduct Description: Bulkhead Straight 12 AN Male to 12 AN Male Bulkhead 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