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The SPC aluminum axle shim is an economical option sold six per box for over-the-road truck and trailer caster correction. With average compression strength and hardness, these 3.5" x 6.25" shims with a 1.0° taper give technicians a cost-effective means to align tandem axles. Use load-spreading techniques like Z blocks or axle spacers to prevent shim crushing.
SPC Performance AL SHIMS 3.5X6.25X1 deg.(6)
