Valve Spring - RAD-9000 - Dual Spring / Damper - 570 lb/in Spring Rate - 1.130 in Coil Bind - 1.570 in OD - Set of 16

Valve Spring - Tool Room - Dual Spring / Damper - 510 lb/in Spring Rate - 1.200 in Coil Bind - 1.570 in OD - Set of 16

Valve Spring - RAD-9000 - Dual Spring / Damper - 510 lb/in Spring Rate - 1.200 in Coil Bind - 1.570 in OD - Set of 16

Valve Spring - 1300 Series Circle Track - Dual Spring - 538 lb/in Spring Rate - 1.150 in Coil Bind - 1.574 in OD - Set of 16

Valve Spring - 1300 Series Circle Track - Dual Spring - 538 lb/in Spring Rate - 1.150 in Coil Bind - 1.574 in OD - Set of 16

Valve Spring - 1300 Series Circle Track - Dual Spring / Damper - 550 lb/in Spring Rate - 1.150 in Coil Bind - 1.574 in OD - Set of 16