Comp Cams Camshaft - Xtreme Energy - Hydraulic Flat Tappet - Lift 0.510 / 0.512 in - Duration 268 / 280 - 110 LSA - 1600 / 5800 RPM - Small Block Ford - Each-35-242-3--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO