Elevate your engine's performance with the 1.324 Dual Valve Spring RPM Series by PAC RACING SPRINGS. Designed for ultimate durability and precision, this dual spring boasts a 460 lb/in spring rate, ensuring optimal valve control for your GM LS-series...

Valve Spring - RPM Series - Dual Spring - 460 lb/in Spring Rate - 1.000 in Coil Bind - 1.324 in OD - GM LS-Series - Set of 16

Valve Spring - RPM Series - Dual Spring - 460 lb/in Spring Rate - 1.000 in Coil Bind - 1.324 in OD - GM LS-Series - Set of 16

Valve Spring - RPM Series - Dual Spring - 500 lb/in Spring Rate - 1.000 in Coil Bind - 1.324 in OD - GM LS-Series - Set of 16

Valve Spring - RPM Series - Dual Spring - 500 lb/in Spring Rate - 1.000 in Coil Bind - 1.324 in OD - GM LS-Series - Set of 16

Valve Spring - Dual Spring - 280 lb/in Spring Rate - 0.970 in Coil Bind - 1.340 in OD - Set of 12