Upgrade your older SPC arms to the latest design with this complete bushing retrofit kit. These xAxis joints feature free pivoting inner balls to maximize droop travel and are greased & booted to...

Replace the xAxis bushings on your control arms using this kit from SPC. This kit includes enough xAxis bushings to service two control arms and includes a press tool. Note that you will need access...

Replace your xAxis bushings in your control arms using this kit from SPC. This kit includes enough xAxis bushings to service two control arms and includes a press tool. Note that you will need access...

The xAxis Sealed Flex Joint is a technology step-up for suspension joints and linkages. xAxis delivers reduced compliance vs rubber improved durability vs spherical bearings, and increased angularity...

These heavy-duty axle caster shims can also be used to adjust pinion angle on leaf spring suspension type vehicles with 3" - 3.5" - 4" wide leaf springs. Each shim features a double breakaway portion...

These over-the-road heavy duty truck axle shims are a fast a nd accurate means to align front or rear axles of most popul ar tandem trailers and trucks. Specialty Products' new Zinc Alloy shims offer...