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SPC aluminum axle shims offer an economical solution for correcting caster on over‑the‑road trucks and trailers. Sold six per box, these 3.5" x 6.25" shims with a 2° taper provide a cost‑effective way to adjust axle alignment where average compression strength is acceptable. When ordering, spring pad length and width are required for proper fitment.
SPC Performance AL SHIMS 3.5X6.25X2 deg.(6)
