Crower 68440-16 Features:

Crower 68440-16 dual valve spring set for LS engines; set of 16 springs with 1.324 in. OD and 0.950 in. ID. Free length 2.330 in. with 1.800 in. recommended installed height and 460 lb/in. spring rate. Dual-spring design without an internal damper for controlled valvetrain motion in high-rpm LS applications. Helps reduce valve float and valve bounce with high-lift camshafts when proper coil clearance is maintained.

Valve Springs Dual Ls 1.3 1.324 In. Od Dual Features:

• Dual valve spring set for LS engines, 16-piece configuration, 1.324 in. OD, 0.950 in. ID, 2.330 in. free length
• Recommended 1.800 in. installed height with 460 lb/in spring rate for controlled valvetrain motion at high rpm
• Dual-spring design without internal damper for stable operation when matched with high-lift performance camshafts
• Helps prevent valve float, maintain lifter-to-cam contact, and reduce valve bounce for improved engine protection
• Requires proper spring seat fitment and minimum 0.050 in. coil clearance at max lift to avoid coil bind