Crower 68145-1 Features:

Crower 68145-1 single valve spring for performance valvetrain applications Direct replacement for discontinued Crower 68147-1 with matching spring specification Outer spring OD 1.355 in., inner ID 1.000 in., coil bind height 1.125 in. Single spring design without damper spring, rated at 380 lb/in.

Valve Springs Single 1.355 In. Od, 1.125 In. Coil Features:

• Single spring design for precise valve control in high-stress performance valvetrains and reduced complexity for custom setups
• 1.355 in. OD and 1.000 in. ID for fit-focused valvetrain compatibility and consistent spring location under demanding operation
• 380 lb/in spring rate to help resist valve float at elevated rpm and maintain accurate valve motion in performance engines
• 1.125 in. coil bind height for proper installed clearance planning and dependable operation in high-lift valvetrain combinations
• No damper spring configuration for streamlined single-spring valvetrain setups and direct replacement support for discontinued 68147-1