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SPC zinc alloy axle shims offer a harder, higher-compression alternative to aluminum for over-the-road truck and trailer axle alignment. These 4" x 6.5" shims with a 5° taper come six per box and provide improved compression strength and durability for front or rear tandem axle alignment tasks. They supply a quick, accurate means to correct axle alignment with longer service life.
SPC Performance ZINC SHIMS 4x6.5x5.0 deg.
