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The SPC rear camber +0.25° shim is a fixed-change shim for twist-beam rear axles that gives a precise positive camber adjustment in 0.25° increments. Use it alone or pair it with a toe shim to dial in both camber and toe, then stack up to two shims per side for larger corrections. It’s a straightforward option when you need predictable, repeatable rear alignment changes.
SPC Performance GM Rear Camber + .25 Shim
