Valve Spring - RPM Series - Dual Spring - 425 lb/in Spring Rate - 1.055 in Coil Bind - 1.280 in OD - GM LS-Series - Set of 16

Valve Spring - RPM Series - Dual Spring - 425 lb/in Spring Rate - 1.055 in Coil Bind - 1.280 in OD - GM LS-Series - Set of 16

Valve Spring - Dual Spring / Damper - 300 lb/in Spring Rate - 1.125 in Coil Bind - 1.437 in OD - Set of 16

Valve Spring - Max Effort - Dual Spring - 375 lb/in Spring Rate - 1.050 in Coil Bind - 1.437 in OD - Set of 16

Valve Spring - Dual Spring - 283 lb/in Spring Rate - 1.025 in Coil Bind - 1.437 in OD - Set of 16

Valve Spring - Dual Spring - 399 lb/in Spring Rate - 1.080 in Coil Bind - 1.470 in OD - Set of 16