ProMaxx Performance 2119: 225 Series Aluminum Cylinder Heads Small Block Chevy
225 Series Intake Port Volume
225 Series Aluminum Cylinder Heads Small Block Chevy As-Cast 225cc Intake Ports 72cc Combustion Chamber 2.02'' Intake / 1.60'' Exhaust Valves 3/8'' Rocker Arm Studs .575" Max Lift Steel Retainers Assembled, 2/pkg