Comp Cams Valve Spring Kit - Beehive Spring - 291 lb/in Rate - 1.090 in Coil Bind - 0.999 / 1.083 in OD - Chromoly Retainer - Viton Seal - Steel Seat - Ford Coyote - Kit-26001CS-KIT--Notes: 600 lift Beehive Design State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO