This single-plane intake manifold is designed tokeep your air and fuel distribution going into the engine at a steady and even flow for maximum performance and efficiency
Requires a regulator for carburetted applications
Anodised aluminium shroud/bracket
31" Intake Port
Filter Material: High Flow Premium Media
Proflow Cylinder Heads, AirMax 170, SB For Ford 289, 302, 351W, Aluminium, Asse Air Cleaners This single-plane intake manifold isPart Number : Proflow Cylinder Heads, AirMax 170, SB Ford 289, 302, 351W Proflow does not sacrifice quality for a low price you get both with our aluminium cylinder heads. The lightweight heads are cast from A 356 aluminium alloy with a large choice of engines, for SB & BB Chevrolet, LS Chev Holden Ford SB 289 351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have phosphorous bronze valve guides, and ductile iron valve seats for use