Crower 68447-1 Features:

Crower 68447-1 dual valve spring, sold individually, 1.304 in. OD Dual-spring design with 0.950 in. inner diameter on the outer spring 1.800 in. installed height with 433 lb/in spring rate 2.300 in. free length with 0.127 in. and 0.171 in. wire diameters

Valve Springs Dual 1.304 1.800 In. Installed Height 433 Features:

• 1.304 in. OD dual valve spring, dual-spring configuration for stable valve motion, precise fitment, and dependable valvetrain control in performance engine applications
• 0.950 in. inner diameter on the outer spring, engineered for compatible spring package geometry and consistent operation within properly matched high-performance cylinder head setups
• 1.800 in. installed height with 433 lb/in. spring rate, helping deliver firm seat control, improved valve stability, and confident high-rpm valvetrain performance under load
• 2.300 in. free length with 0.127 in. and 0.171 in. wire diameters, supporting the specified spring characteristics needed for demanding performance valvetrain combinations
• Standard dual-spring design without internal damper, suited for builders needing the 68447-1 single-spring quantity for custom engine assemblies or replacement valvetrain service