Mopar perf relocation kit shims?

Maybe the caltrac mono leaf i measured is narrower to compensate for the mounting of the caltrac bracket i didnt think of that.
Soi guess the mono leaf from Calvert is 2 1/2 widw then the caltrac goes around it so the factory spring must be wider.

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ez440;1970180914]idk if this helps but this is a a body spring with an old bushing. measures about 3 1/8[/QUOTE]