Valve Spring - Plus-Series - Dual Spring / Damper - 420 lb/in Spring Rate - 1.160 in Coil Bind - 1.530 in OD - Set of 16

Valve Spring - Dual Spring / Damper - 440 lb/in Spring Rate - 1.170 in Coil Bind - 1.530 in OD - Set of 16

Valve Spring - Plus-Series - Dual Spring / Damper - 440 lb/in Spring Rate - 1.120 in Coil Bind - 1.530 in OD - Set of 16

Valve Spring - SP-Series - Dual Spring / Damper - 440 lb/in Spring Rate - 1.150 in Coil Bind - 1.530 in OD - Set of 16

Valve Spring - Dual Spring / Damper - 400 lb/in Spring Rate - 1.160 in Coil Bind - 1.530 in OD - Set of 16

Valve Spring - SP-Series - Dual Spring / Damper - 415 lb/in Spring Rate - 1.160 in Coil Bind - 1.530 in OD - Set of 16