Upgrade your engine with COMP CAMS 1.638 H11 Dual Valve Springs for unmatched performance and durability. These high-quality valve springs feature a dual-spring design with a damper for smooth valve control, perfect for racing and high-horsepower...

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 Shim Kit - 0.015 / 0.030 / 0.060 in Thick - 1.640 in OD - Steel - Kit