Valve Spring - NexTek - Dual Spring - 797 lb/in Spring Rate - 1.130 in Coil Bind - 1.500 in OD - Set of 16

Valve Spring - NexTek - Dual Spring - 800 lb/in Spring Rate - 1.130 in Coil Bind - 1.500 in OD - Set of 16

Valve Spring - NexTek - Dual Spring - 800 lb/in Spring Rate - 1.130 in Coil Bind - 1.500 in OD - Set of 16

Valve Spring Kit - Dual Spring - 413 lb/in Spring Rate - 1.100 in Coil Bind - 1.500 in OD - Locks / Chromoly Retainers - Kit

Valve Spring - Single Spring / Damper - 364 lb/in Spring Rate - 1.100 in Coil Bind - 1.500 in OD - Set of 16

Valve Spring - Single Spring / Damper - 342 lb/in Spring Rate - 1.094 in Coil Bind - 1.500 in OD - Set of 16