Comp Cams Camshaft - Xtreme Energy - Mechanical Roller - Lift 0.570 / 0.576 in - Duration 280 / 286 - 110 LSA - 2500 / 6500 RPM - Small Block Chevy - Each-12-771-8--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO