Comp Cams Valve Spring Kit - Conical - Single Spring - 440 lb/in Spring Rate - 1.125 in Coil Bind - 1.030 in / 1.286 in OD - Chromoly Retainer / Steel Valve Lock / PTFE Seal / Seats - Mopar Gen III Hemi - Kit-7228CC-KIT--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO