
OEM appearing cast aluminum replacement cylinder head with cam caps and cam cap bolts for ready-to-go installation. An unshrouded combustion chamber delivers better airflow with a blended bowl and competition valve job. Stock-shaped ports deliver higher performance. C630 nickel/aluminum valve seats and guides are easier on the valve to reduce wear. Shortened valve guides accept high lift cams for greater torque and enhanced power. Note: valves, springs, retainers and lifters are sold separately.