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

1.525 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

1.445 Valve Spring Kit Single w/Damper Valve Spring Kit - Single Spring / Damper - 350 lb/in Rate - 1.100 in Coil Bind - 1.445 in OD - Locks / Chromoly Retainers - Kit

1.485 Valve Spring Set Single w/Damper Valve Spring - Single Spring / Damper - 355 lb/in Spring Rate - 1.150 in Coil Bind - 1.485 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

1.244 Single Valve Springs w/Damper - (16) Valve Spring - 1200 Series - Single Spring / Damper - 450 lb/in Spring Rate - 1.100 in Coil Bind - 1.244 in OD - Set of 16