Earl's Straight Adapter Fitting -6 AN Female to -4 AN Male - Blue 29020P 2006-2016 Chevrolet Express 2500

2006-2016 Chevrolet Express 2500

3/8-16 & 5/16-18 SAE threads

A BBK catted H pipe is the best way to really improve your Mustangs exhaust flow over the restrictive factory pipe to increase overall performance

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Chevrolet used short water pumps on all passenger car applications thru 1968 and trucks thru 1972 with the exception of Corvettes

Earl's Straight Adapter Fitting -6 AN Female to -4 AN Male - Blue 29020P 2006-2016 Chevrolet Express 2500Earl's offers the most complete line of adapter fittings in the industry. In addition to the standard range of AN adapters in both aluminum and steel, over the past 30 years Earl's has designed and manufactured a wide selection of special adapter fittings to meet the needs of the racing industry. These specials include metric to AN, inverted flare to AN and power steering fittings. Product Description: Adapter Straight 6 AN Female to 4 AN Male