Valve Spring Shims - 0.015in. Thick. Fits Big Twin 1984-2004. Pack of 20.

Tech Tips:

Thickness .015"

OD= 1.480"

ID= .600"

Sold as a pack of 20

This Valve Spring Shim allows the engine builder to adjust spring pressure by combining various thickness shims. Using the different thickness is of great help when trying to obtain consistent spring pressure across all valves.