Crower Valve Springs - 1.260 Single W/Damper 68304-16

Pac Racing Springs 1.260 Single Valve Springs W/Damper - (16) Pac-1201Valve Spring - 1200 Series - Single Spring / Damper - 540 lb/in Spring Rate - 1.115 in Coil Bind - 1.260 in OD - Set of 16

Manley 1.260 Pro H-11 Single Valve Springs 22410-16Valve Spring - Professional Series - Single Spring / Damper - 370 lb/in Spring Rate - 1.095 in Coil Bind - 1.260 in OD - Set of 16

Howards Racing Components 1.525 Valve Single Valve Springs W/Damper (16) 98529Valve Spring - Single Spring / Damper - 462 lb/in Spring Rate - 1.200 in Coil Bind - 1.525 in OD - Set of 16

Crower Valve Springs - 1.440 68390X3-16Valve Spring - Dual Spring / Damper - 450 lb/in Spring Rate - 1.110 in Coil Bind - 1.440 in OD - Set of 16