Inlet: -8 AN O-Ring Female Port, Outlet: (4) x -6 AN O-Ring Female Port, No Fittings, Black Anodized;6061 Aluminum Construction for Light Weight, Strength and Durability; Inlet: -8 AN O-Ring Female Port; Outlets: (4) x -6 AN O-Ring Female Ports; Parallel Inlet/Outlet Design for a Compact Assembly; Profiled Internal Passages for Maximum Flow & Minimal Pressure Drop; Finish: Black Anodized; Can Be Used w/ NOS, Gasoline, Alcohol, or Other Fuels;