Bolt-in. For 107″-132″ engines. Highest lift available for stock valve springs. Low & midrange power (1500-5600+ RPM). Note: Bearings; o-rings and hardware are not included.
Bolt-in. For 107″-132″ engines. Highest lift available for stock valve springs. Low & midrange power (1500-5600+ RPM). Note: Bearings; o-rings and hardware are not included.