Earl's Straight Bulkhead Adapter Fitting -12 AN Male to -12 AN Male Bulkhead - Black SC04101 These are a direct performance

These are a direct performance bolt on upgrade

AN-10 size with a 40 micron stainless steel element and black anodize finish

Compatible with 16v vehicle systems

Listed are some of the special features included

3" x 12" x 3"

Earl's Straight Bulkhead Adapter Fitting -12 AN Male to -12 AN Male Bulkhead - Black SC04101 These are a direct performanceProduct 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