ProMaxx Performance 9175: 9175 MAXX Series Aluminum Cylinder Heads for Ford Small Block
Small Block Ford
MAXX Series Aluminum Cylinder Heads As-Cast 180 cc Intake Ports 60cc Combustion Chambers 2.02'' Intake / 1.60'' Exhaust Valves 3/8'' Rocker Arm Studs .600" Max Lift Hydraulic Roller Springs Steel Retainers Assembled, 2/pkg