Comp Cams Camshaft - Oval Track Xtreme TK - Mechanical Roller - Lift 0.648 / 0.645 in - Duration 287 / 300 - 107 LSA - 3400 / 7600 RPM - Small Block Chevy - Each-12-861-9--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO