Crower 68313-12 Features:

Crower 68313-12 Tungsalloy single valve springs with damper, set of 12 1.455 in. OD, 0.975 in. ID, and 1.085 in. coil bind specification Seat pressure rated 104 lb at 1.850 in. installed height Nose pressure rated 254 lb at 1.360 in. for valvetrain performance

Valve Springs 1.455 Tungs Tungsalloy Single W/Damper Stock O.d. Features:

• Set of 12 Tungsalloy single valve springs with damper for performance valvetrain stability and consistent spring control
• 1.455 in. OD, 0.975 in. ID design for proper fit in compatible stock OD applications without machine work
• 104 lb seat pressure at 1.850 in. helps maintain valve seating and dependable operation across the RPM range
• 254 lb nose pressure at 1.360 in. supports controlled valve motion for performance camshaft and valvetrain setups
• 1.085 in. coil bind specification aids accurate spring selection for semi-universal engine and valvetrain applications