RockJock 4x4
RockJock's rear coil spring shim for JL Wrangler is 3/16 inch thick and mounts between the welded on coil spring axle pad and the coil spring isolator. These shims are used to fine tune vehicle height per model, engine combination and added weight load. Shims may be stacked a maximum of 2 high. Semi-gloss black powder coat finish.
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