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1.250 Valve Spring Kit Single w/Damper Valve Spring Kit - Single Spring / Damper - 411 lb/in Rate - 1.160 in Coil Bind - 1.250 in OD - Locks / Chromoly Retainers - Kit

1.265 Valve Spring Set 16pk Single w/Damper Valve Spring - Single Spring / Damper - 415 lb/in Spring Rate - 1.150 in Coil Bind - 1.265 in OD - Set of 16

Single Valve Springs - 1.437 Valve Spring - Single Spring / Damper - 210 lb/in Spring Rate - 1.050 in Coil Bind - 1.437 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

Dual Valve Springs - 1.437 Valve Spring - Dual Spring / Damper - 300 lb/in Spring Rate - 1.125 in Coil Bind - 1.437 in OD - Set of 16

Dual Valve Springs - 1.437 Valve Spring - Max Effort - Dual Spring - 375 lb/in Spring Rate - 1.050 in Coil Bind - 1.437 in OD - Set of 16

Dual Valve Springs - 1.437 Valve Spring - Dual Spring - 283 lb/in Spring Rate - 1.025 in Coil Bind - 1.437 in OD - Set of 16

Dual Valve Springs - 1.470 Valve Spring - Dual Spring - 399 lb/in Spring Rate - 1.080 in Coil Bind - 1.470 in OD - Set of 16

1.470 Dual Valve Spring Kit - w/Damper Valve Spring - Dual Spring - 399 lb/in Spring Rate - 1.080 in Coil Bind - 1.470 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

1.514 Dual Valve Springs Valve Spring - Dual Spring - 360 lb/in Spring Rate - 1.150 in Coil Bind - 1.514 in OD - Set of 16

Single Valve Springs - 1.510 Valve Spring - Single Spring / Damper - 350 lb/in Spring Rate - 1.300 in Coil Bind - 1.510 in OD - Set of 16