ProMaxx Performance 2151: Cast Iron Small Block Chevy Vortec Cylinder Heads Assembled
Small Block Chevy Vortec Cylinder Heads
Cast Iron Small Block Chevy Vortec Cylinder Heads Assembled Straight Plug Intake Ports: 185cc Combustion Chambers: 64cc Valves: 2.02" Intake, 1.60" Exhaust Hyd. Flat Tappet Springs Pair