This cam has clearance for the crank counter weights on Hemi engines with the new style crank.The MOD2 is popular as a cheater stock cam if there are no duration checks.Requires an upgraded spring package, billet rod, and flywheel.The lobes are hardened for extra durability, extending the life of this cam. SPECSEngine: 212cc Hemi PredatorRecommended Class: Cheater StockTarget (MAX) RPM: 7000+Spring Pressure (In / Ex): 18 lbsValve Lash (In/Ex): .003"Ignition Timining: 32 Deg BTDC PROFILEIntakeExhaustOpen: 46.3 BTDC 83.0 BBDCClose: 82.7 ABDC 44.0 ATDCLift: .2245" .231"C/L: 108.5 ATDC 110.0 BTDCDUR @ 50: 245.7 Deg 245.5 Deg