Earl's Aluminum Hex Head Plug -12 AN - Blue 13-RS1-B 5/16" and 3/8" fasteners for

5/16" and 3/8" fasteners for most AMC

1969-1972 International M800 Post Office

800 in Valves

Air Jack Mount Kit

Earl's Aluminum Hex Head Plug -12 AN - Blue 13-RS1-B 5/16" and 3/8" fasteners forEarl'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: Fitting Plug 12 AN Hex Head Aluminum Blue