Proflow Cylinder Heads SuperMax 215, Bare, Aluminium, SB Ford 302-351 Cleveland, 3V, 73cc Chamber, 215cc Intake Runner, 630HP Out of Box, Pair

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 Engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302,351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB, phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, High Performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod. Ford Cleveland 3V Intake Runner 215cc, Raised .125'' Exhuast Runner 115cc, Raised .080'' 73cc Chamber 11/32" stem Accepts .530" Valve Stem Seal 2.150" Intake Valve 1.710" Exhaust Valve 1.560" Spring Pockets Flow figures listed for 4.030 & 4.155 Bore 3/4" npt threaded water ports on both ends and deck passages for Windsor based engines