The SPC rear camber −0.50° shim supplies a fixed negative camber adjustment for twist-beam rear axles, delivering a predictable −0.50° change. It works with SPC toe shims to achieve combined camber and toe corrections, and you may stack up to two shims per side for larger adjustments, giving a dependable method to bring rear alignment back into specification.
SPC Performance GM Rear Camber -.50 Shim