Comp Cams Camshaft - Xtreme Energy - Hydraulic Flat Tappet - Lift 0.507 / 0.510 in - Duration 284 / 296 - 110 LSA - 2300 / 6500 RPM - Pontiac V8 - Each-51-225-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO