Engine Valve Spring, Race End 1.564" Dual Springs 1.9" Ins Ht, Valve Springs, Dual Valve Springs, Single Valve Springs, Beehive Springs, Conical Springs, Valve Lift, Max Lift, Spring Kit, Race Endurance 1.564" OD Dual Springs, 1.900" Installed Height, 16 Springs, None, Engine Valve Spring Kit.