Crower 68301X4-1 Features:

Single valve spring with damper for high-performance valvetrain and camshaft applications Crower part number 68301X4-1; sold individually, with set of 16 available as 68301X4-16 Outer diameter 1.250 in., inner diameter 0.875 in., and 0.185 wire diameter Pressure range: 129 lb at 1.700 in. installed height to 387 lb at 1.150 in.

Valve Springs Single W/Da Single W/Damper 1.250 In. Od Features:

• Single spring with damper design for stable valve control in high-performance valvetrain and camshaft applications.
• 1.250 in. OD, 0.875 in. ID, 0.185 wire diameter for fit-focused valvetrain setup and spring selection accuracy.
• 129 lb seat pressure at 1.700 in. installed height helps maintain valve seating and consistent camshaft control.
• 387 lb open pressure at 1.150 in. with 456 lb/in. spring rate supports higher-lift, performance-oriented valvetrain operation.
• 1.105 in. coil bind height provides critical clearance reference for safer engine assembly and performance spring setup.