Valve Spring - 1300 Series Circle Track - Dual Spring - 670 lb/in Spring Rate - 1.160 in Coil Bind - 1.43 in OD - Set of 16

Valve Spring - 1300 Series Circle Track - Dual Spring - 670 lb/in Spring Rate - 1.150 in Coil Bind - 1.430 in OD - Set of 16

Valve Spring - Dual Spring / Damper - 322 lb/in Spring Rate - 1.150 in Coil Bind - 1.430 in OD - Set of 12

Valve Spring - Dual Spring / Damper - 275 lb/in Spring Rate - 1.120 in Coil Bind - 1.430 in OD - Set of 16

Valve Spring - Dual Spring / Damper - 330 lb/in Spring Rate - 1.120 in Coil Bind - 1.430 in OD - Set of 16

Valve Spring - Dual Spring / Damper - 320 lb/in Spring Rate - 1.160 in Coil Bind - 1.430 in OD - Set of 16