Bushing Shims

Precision-machined spacer shims designed to complement RockJock Antirock sway-bar bushings and arms. These shims help ensure correct fitment, proper frame-width alignment, and a snug, stress-free installation when factory tolerances or mounting widths vary. To ensure you are following the correct setup procedures for your specific kit, be sure to review our Instruction Manuals.

Popular Bushing Shim Options

• UHMW Shim Packs – Sets of ultra-high-molecular-weight plastic shims, 1/16″ thick each, designed to sit between the sway-bar arm and bushing face.

• Stackable – Multiple shims can be combined to fine-tune clearance, spacing, and alignment for precise installation.

• 25 and 28 spline Antirock bar compatible shims – designed specifically for use with RockJock 25 and 28 spline Antirock sway bars, bushings, and arm kits.These specialized shims can be purchased directly or found through a local professional via our Dealer Locator.

Fitment

• Compatible with RockJock Antirock sway-bar systems using 25 or 28 spline bars.

• Used where factory frame width inconsistencies cause varying bracket spacing tolerances requiring fine adjustment.

• Suitable for stock or lifted fitted with an Antirock sway bars, where precise sway-bar tolerances are critical.

If you have technical questions regarding shim placement or suspension alignment, please feel free to Contact Us for expert assistance.