Manley 1.260 Pro H-11 Single Valve Springs 22410-16

Crower Valve Springs - 1.260 Single W/Damper 68304-16Valve Spring - Single Spring / Damper - 390 lb/in Spring Rate - 1.090 in Coil Bind - 1.260 in OD - Set of 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 1.550 Pro Dual Valve Springs 22431-16Valve Spring - Professional - Dual Spring / Damper - 507 lb/in Spring Rate - 1.190 in Coil Bind - 1.550 in OD - Set of 16

Manley 1.250 Street Master Single Valve Springs 22409-16Valve Spring - Street Master - Single Spring / Damper - 357 lb/in Spring Rate - 1.180 in Coil Bind 1.250 in OD - Set of 16

Manley 1.550 Pro Valve Springs Dual W/Damper 22429-16Valve Spring - Professional Series - Standard - 458 lb/in Spring Rate - 1.180 in Coil Bind - 1.550 OD - Set of 16