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SPC zinc alloy axle shims (2.5" x 5"; 3.5°) are heavy‑duty alignment shims for over‑the‑road trucks and tandem trailers, supplied six per box. The zinc alloy improves compression strength compared with aluminum and provides stronger load performance. Use these shims to spread load when using Z blocks or axle spacers and to achieve precise axle alignment.
SPC Performance ZINC SHIMS 2.5x5x3.5 deg.
