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The SPC rear shim kit (18-piece) is a full-contact set for rear alignment on Chevrolet Encore and Sonic twist-beam axles. It includes multiple toe shims (±0.10–±0.50°) and camber shims (+0.25°, +0.50°, −0.25°, −0.50°) so you can make precise adjustments. Stack up to two shims per side for combined changes up to about 1° to correct rear toe and camber accurately.
SPC Performance GM Rear Shim Set (18)
