Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The SPC Performance zinc alloy axle shims are sold six per box as a fast, accurate means to align front or rear axles on most popular tandem trailers and over‑the‑road trucks. Zinc alloy offers improved compression strength and greater hardness versus aluminum for longer service life. Use Z‑blocks or spacers to distribute load; this listing specifies 3.5" width, 6.25" length with a 2.5° taper.
SPC Performance ZINC SHIMS 3.5x6.25x2.5 deg.
