Valve Spring - NexTek - Dual Spring - 647 lb/in Spring Rate - 1.070 in Coil Bind - 1.640 in OD - Each

Valve Spring - NexTek - Dual Spring - 647 lb/in Spring Rate - 1.070 in Coil Bind - 1.640 in OD - Set of 16

Valve Spring - NexTek - Dual Spring - 647 lb/in Spring Rate - 1.070 in Coil Bind - 1.640 in OD - Polished - Set of 16

Valve Spring - NexTek - Dual Spring - 604 lb/in Spring Rate - 1.150 in Coil Bind - 1.640 in OD - Set of 16

Valve Spring - 1300 Series Drag Race - Triple Spring - 689 lb/in Spring Rate - 1.130 in Coil Bind - 1.645 in OD - Each

Valve Spring - 1300 Series - Triple Spring - 689 lb/in Spring Rate - 1.130 in Coil Bind - 1.645 in OD - Each