Crower 68301X4-16 Features:

Set of 16 single valve springs with integrated damper for high-performance valvetrain upgrades 1.250 in. OD, 0.875 in. ID, and 0.185 in. wire diameter for fitment in custom valvetrain setups Approx. 129 lb seat pressure at 1.700 in. and 387 lb open pressure at 1.150 in. Coil bind height is 1.105 in. to support proper spring setup and performance checks

Valve Springs Single W/Da 1.250 In. Od, 129 Lb Features:

• Single spring with damper design for improved valvetrain stability and reduced valve float in high-performance applications
• 1.250 in. OD, 0.875 in. ID, 0.185 in. wire diameter for custom valvetrain fitment and precise spring geometry
• 129 lb seat pressure at 1.700 in. supports cam control, throttle response, and reliable valve seating at higher rpm
• 387 lb open pressure at 1.150 in. helps maintain valve motion control under increased lift and performance cam demands
• 1.105 in. coil bind height, 16-piece set for performance engine builds requiring matched single valve springs