Crower 68145-12 Features:

Crower 68145-12 valve springs single, set of 12, for engine camshaft and valvetrain applications. Direct replacement for discontinued Crower part number 68147-12. Outer spring OD: 1.355 in.; outer spring ID: 1 in. Coil bind height: 1.125 in.; spring rate: 380 lb/in.

Valve Springs Single 1.355 In. Od, 380 Lb/In. Rate, Features:

• Set of 12 single valve springs for complete cylinder head service and valvetrain replacement in performance engine builds
• 1.355 in. OD and 1 in. ID for proper spring pocket fitment and compatible valvetrain installation geometry
• 380 lb/in. spring rate supports consistent valve control in camshaft and high-performance valvetrain applications
• 1.125 in. coil bind height helps verify installed clearance and supports accurate engine assembly setup
• Single-spring design without damper spring for direct replacement use and reliable valvetrain service performance