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The SPC zinc axle shims (3" x 6" x 2.0°) are heavy-duty over-the-road shims used to align front or rear axles on tandem trailers and trucks. Made from a zinc alloy that improves compression strength and hardness versus aluminum, the box contains six shims. Use them to spread load when fitting Z blocks or axle spacers to prevent shim crushing.
SPC Performance ZINC SHIMS 3 x 6 x 2.0 deg.
