Mopar perf relocation kit shims?

Yeah 2 1/2 i thought was the measurement of the spring itself.
Either way i need to shim it because the box is definitly wider!!!
The box is definetly 3 1/4
I think it's the way the picture was taken i dont think it's too low.

mopowers said

Your spring is only 2 1/2" wide???

Are those boxes welded in already?? They look really low? Might just be the angle of the photo though

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