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SPC zinc alloy axle shims (3" x 6"; 4.0°) are over‑the‑road heavy‑duty shims supplied six per box for accurate front or rear axle alignment on tandem trailers and trucks. The zinc alloy offers superior performance versus aluminum with improved compression strength. Use these shims with Z blocks or spacers to spread load and prevent local crushing while achieving precise alignment.
SPC Performance ZINC SHIMS 3 x 6 x 4.0 deg.
