XRP Straight Adapter Fitting -16 AN Male to -20 AN Male O-Ring - Black 2010023 645" inside diameter are used

645" inside diameter are used to equalize the installed height of valve springs

shirts and hoods) All of this means that it will look great and keep you safe for a long long time

1955-1964 Cadillac Series 62

1973-1991 Chevrolet Blazer

Chevrolet: Kingswood 69 - 71 5 L Engine

XRP Straight Adapter Fitting -16 AN Male to -20 AN Male O-Ring - Black 2010023 645" inside diameter are usedProduct Description: Adapter Straight 16 AN Male to 20 AN Male O Ring Aluminum Black Anodized Sold Individually XRP is one of the leading names in performance automotive plumbing components. With thousands of aluminum fittings, hoses, hose ends, and adapters, XRP offers a complete selection of high quality parts. For the finest, most advanced fluid delivery for your racecar get XRP "the Xtreme" in racecar Plumbing.