Comp Cams Valve Spring Kit - Beehive Spring - 372 lb/in Rate - 1.140 in Coil Bind - 1.075 in / 1.310 OD - Steel Retainer / Viton Seal / Steel Valve Locks / Steel Seat - GM LS-Series - Kit-26918TS-KIT--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO