Upgrade your engine's performance with the PAC RACING SPRINGS 1.550 Dual Valve Spring 1pk. This high-quality valve spring with a spring rate of 644 lb/in is perfect for drag race applications, ensuring optimal control and enhancing your vehicle's power...

Valve Spring - 1200 Series Drag Race - Dual Spring - 644 lb/in Spring Rate - 1.150 in Coil Bind - 1.550 in OD - Set of 16

Valve Spring - 1200 Series Drag Race - Dual Spring - 663 lb/in Spring Rate - 1.150 in Coil Bind - 1.550 in OD - Set of 16

Valve Spring - 1200 Series Circle Track - Dual Spring / Damper - 540 lb/in Spring Rate - 1.180 in Coil Bind - 1.550 in OD - Set of 16

Valve Spring - 1200 Series Circle Track - Dual Spring - 550 lb/in Spring Rate - 1.150 in Coil Bind - 1.550 in OD - Set of 16

Valve Spring - 1200 Series Circle Track - Dual Spring - 526 lb/in Spring Rate - 1.200 in Coil Bind - 1.550 in OD - Set of 16