World Products 042670-1: Small Block Chevy S/R Torquer Cast Iron Cylinder Head 170cc Intake Ports
Small Block Chevy 327-400ci S/R Torquer Cast Iron Cylinder Heads
Small Block Chevy S/R Torquer Cast Iron Cylinder Head 170cc Intake Ports 76cc Combustion Chambers 2.020'' Int/1.600'' Exh Valves 1.250'' Valve Springs, .560'' Max Lift for Hydraulic Cam Assembled, Sold Individually