Comp Cams Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.510 / 0.510 in - Duration 282 / 288 - 110 LSA - 2200 / 5800 RPM - Big Block Chevy - Each-01-418-8--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO