Fits Carburetor Float Bowls - AN-06 to 9/16'' x 24 Thread More area and smoother transitions from the inlet to the outlet, resulting in less restriction than any other fitting line. The line of fittings, adapters and hose-ends are a step above the norm, offering uncompromised fuel flow and positive sealing. Constructed of 6061 T6 aircraft grade aluminum or , each component is CNC-machined for fit and unmatched flow. All billet aluminum fittings are anodized Type bright dip for corrosion protection and unrivaled aesthetics. We offer a complete line of hard to find fittings from specific connections to AN adapters. All fittings and adapters are fully compatible with gasoline and alcohol based fuels.