Comp Cams Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.503 / 0.510 in - Duration 276 / 281 - 112 LSA - 1800 / 5800 RPM - GM LT-Series 1992-97 - Each-07-503-8--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO