Redhorse Performance 920 Series 4 AN Male to 4 AN Male O-Ring Straight Port Adapter - Black AMP78255-01A These are converted to AN4

These are converted to AN4

Inside each housing there is a sealed ball bearing at the top of the shaft

Diameter Neck - Race Only

Generation II Copper Exhaust Wrap creates more horsepower and reduces under-hood temperatures

Heavy duty aluminum construction

Redhorse Performance 920 Series 4 AN Male to 4 AN Male O-Ring Straight Port Adapter - Black AMP78255-01A These are converted to AN4Product Description: Fitting Adapter 920 Series Straight 4 AN Male to 4 AN Male O Ring Aluminum Black Anodized Sold Individually Since 2008, Redhorse Performance has been recognized for their premium quality hose ends and fittings. Beginning with their hand polished fittings and expanding to more than 2800 parts, Redhorse offers a full line of performance automotive plumbing and accessories, all engineered and built to provide unrivaled beauty and