Comp Cams Valve Spring Kit - Conical - Single Spring - 519 lb/in Spring Rate - 1.175 in Coil Bind - 1.060 in / 1.332 in OD - Chromoly Retainer / Steel Valve Lock / Rubber Seal / Seats - Mopar Gen III Hemi - Kit-7230CC-KIT--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO