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The SPC zinc alloy axle shim is a premium over-the-road alignment shim supplied six per box for tandem trailers and trucks. Measuring 3" × 6" with a 2.5° wedge profile, the zinc alloy offers superior compression strength and greater hardness versus standard aluminum shims, approaching the performance of SPC's premium bronze option. Provide spring pad length and width when ordering to ensure correct fit.
SPC Performance ZINC SHIMS 3 x 6 x 2.5 deg.
