Edelbrock Camshaft / Lifters - Performer-Plus - Hydraulic Flat Tappet - Lift 0.420 / 0.444 in - Duration 253 / 263 - 112 LSA - Idle / 5500 RPM - GM V6 - Kit-3790--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO