Valve Spring - Plus-Series - Dual Spring / Damper - 470 lb/in Spring Rate - 1.170 in Coil Bind - 1.560 in OD - Set of 16

Valve Spring - Plus-Series - Dual Spring / Damper - 480 lb/in Spring Rate - 1.190 in Coil Bind - 1.560 in OD - Set of 16

Valve Spring - Dual Spring / Damper - 500 lb/in Spring Rate - 1.180 in Coil Bind - 1.560 in OD - Set of 16

Valve Spring - Plus-Series - Dual Spring / Damper - 500 lb/in Spring Rate - 1.180 in Coil Bind - 1.560 in OD - Set of 16

Valve Spring - 1300 Series Circle Track - Dual Spring - 513 lb/in Spring Rate - 1.150 in Coil Bind - 1.564 in OD - Set of 16

Valve Spring - 1300 Series Circle Track - Dual Spring - 513 lb/in Spring Rate - 1.140 in Coil Bind - 1.564 in OD - Set of 16