Valve Spring - Tool Room - Dual Spring - 490 lb/in Spring Rate - 1.150 in Coil Bind - 1.560 in OD - Set of 16

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

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

Valve Spring - Tool Room - Dual Spring / Damper - 500 lb/in Spring Rate - 1.200 in Coil Bind - 1.560 in OD - Set of 16

Valve Spring - RAD-9000 - Dual Spring / Damper - 500 lb/in Spring Rate - 1.200 in Coil Bind - 1.560 in OD - Set of 16

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