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 - 1.437 Valve Spring - Max Effort - Dual Spring - 375 lb/in Spring Rate - 1.050 in Coil Bind - 1.437 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

1.437 Spring Cups Valve Spring Locator - Outside - 0.062 in Thick - 1.550 in OD - 0.687 in ID - 1.437 in Spring OD - Steel - Black Oxide - Set of 16

1.580 Dual Valve Springs Valve Spring - NexTek - Dual Spring - 535 lb/in Spring Rate - 1.170 in Coil Bind - 1.580 in OD - Set of 16