SPC Performance Peterbilt Shim 1/8in. (6)

Over the road heavy duty adjusters are a fast and accurate way to align the front and rear axles of the most popular tandem trailers and trucks. These Peterbilt Air Leaf Adjusting Shims adjust both thrust angle and toe by placing the shim between the spring hanger and the spring. 1/8" (0.3175mm) Thickness. six shims per box.