Valve Spring Shim - 0.015 in Thick - 1.640 in OD - Steel - Set of 16

Valve Spring Shim - 0.030 in Thick - 1.640 in OD - Steel - Set of 16

Valve Spring Shim - 0.060 in Thick - 1.640 in OD - Steel - Set of 16

Valve Spring - 1200 Series Drag Race - Triple Spring - 687 lb/in Spring Rate - 1.130 in Coil Bind - 1.645 in OD - Each

Valve Spring - 1200 Series Drag Race - Triple Spring - 687 lb/in Spring Rate - 1.130 in Coil Bind - 1.645 in OD - Drag Race - Each

Valve Spring - 1200 Series Drag Race - Triple Spring - 689 lb/in Spring Rate - 1.130 in Coil Bind - 1.645 in OD - Each