Comp Cams Camshaft - Oval Track Xtreme TK - Mechanical Roller - Lift 0.645 / 0.637 in - Duration 285 / 298 - 106 LSA - 3500 / 7600 RPM - Small Block Chevy - Each-12-859-9--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO