Specialty Products 89399 3.5in x 4in Zinc Axle Shim 6 Piece
These over-the-road heavy duty truck axle shims are a fast and accurate means to align front or rear axles of most popular tandem trailers and trucks. Specialty Products' new zinc alloy shims offer another level of performance versus our traditional aluminum shims. This heavy duty shim changes caster positive or negative from 1/2 degrees to 4 degrees. Applications: Any solid axle RWD or 4WD vehicle.
- 1-1/2 degrees
- 6 shims included
- Heavy duty zinc alloy
- Spread load to prevent crushing if using "Z" blocks or axle spacers