Aeromotive 15121 Quick Connect, 3/8'' with AN-08 port and 1/8'' gauge port The Aeromotive line of custom 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 stainless steel, each component is CNC-machined for precision fit and unmatched flow All billet aluminum fittings are anodized Type II bright dip black for corrosion protection and unrivaled aesthetics We offer a complete line of hard to find fittings from OEM specific connections to AN adapters Thread Diameter: AN-06 (3)