COMP Cams #4749-16 Valve Spring Shims
Part #
Thickness
O.D.
I.D.
4739-16
.060"
1.437"
.645"
When setting the spring height, shims must be used to equalize the installed height of the valve spring. COMP Cams® spring shims are made of the highest quality shim stock and heat treated to stand up to the immense pounding of the radical lobes of today's cams.