Coil spring shim with a 3.625in inside diameter and 5in outside diameter, 0.125in (1/8in) thick, steel with a zinc oxide finish.
Spec Sheet: Allstar Spec Sheet
Compatibility
Fits coil springs sized for a 3.625in ID / 5in OD shim.
FAQ
How thick is this spring shim?
ALL56121 is 0.125in (1/8in) thick.
What are the ID and OD of this shim?
It has a 3.625in inside diameter and a 5in outside diameter.
How does this differ from ALL56120?
ALL56121 is 0.125in (1/8in) thick, while ALL56120 is the thicker 0.188in (3/16in) version of the same shim.

