1.525 Valve Single Valve Springs w/Damper (16) Valve Spring - Single Spring / Damper - 462 lb/in Spring Rate - 1.200 in Coil Bind - 1.525 in OD - Set of 16

1.260 Single Valve Springs w/Damper - (16) Valve Spring - 1200 Series - Single Spring / Damper - 540 lb/in Spring Rate - 1.115 in Coil Bind - 1.260 in OD - Set of 16

1.244 Dual Valve Springs (16) Valve Spring - 1200 Series - Dual Spring - 540 lb/in Spring Rate - 1.100 in Coil Bind - 1.244 in OD - Set of 16

1.265 Valve Spring Kit Single w/Damper Valve Spring Kit - Single Spring / Damper - 430 lb/in Rate - 1.100 in Coil Bind - 1.265 in OD - Locks / Chromoly Retainers - Kit

1.260 Single Valve Spring w/Damper (1pk) Valve Spring - 1200 Series - Single Spring / Damper - 540 lb/in Spring Rate - 1.115 in Coil Bind - 1.260 in OD - Each