Valve Spring - 1200 Series Circle Track - Dual Spring / Damper - 500 lb/in Spring Rate - 1.130 in Coil Bind - 1.539 in OD - Set of 16

Valve Spring - 1200 Series - Dual Spring / Damper - 500 lb/in Spring Rate - 1.130 in Coil Bind - 1.539 in OD - Circle Track Endurance - Set of 16

Valve Spring - 1200 Series Circle Track - Dual Spring / Damper - 500 lb/in Spring Rate - 1.110 in Coil Bind - 1.539 in OD - Set of 16

Valve Spring - Elite Race - Dual Spring / Damper - 502 lb/in Spring Rate - 1.135 in Coil Bind - 1.539 in OD - Set of 16

Valve Spring - NexTek - Dual Spring - 964 lb/in Spring Rate - 1.215 in Coil Bind - 1.540 in OD - Set of 16

Elevate your engine performance with the 1.540 Vale Spring Kit w/ Retainers & Locks by LUNATI. This kit features dual springs with a 377 lb/in spring rate, ensuring optimal valve control. Designed for durability, the 1.089 in coil bind and 1.540 in OD...