Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
Fishbone Offroad 4-inch universal leaf spring shim in black, designed to improve driveline angles and U-joint life on compatible 2.5" spring setups. This two-stage, textured powder-coated shim mounts at factory locations with no drilling and is sold as a pair for 4-door Jeep Wrangler Unlimited (JKU) models from 2007–2018. It provides a simple, reversible way to correct geometry and clearance.
Fishbone Offroad Universal 4in Leaf Spring Shim - Black
