The TeraFlex JK/JKU Replacement Track Bar Bushing features an additional rate plate for superior handling and responsive control. This high-quality factory-style bushing reduces the effects of front wheel shimmy and improves durability and tunability FITS: JK Wrangler (2-door) JKU Wrangler Unlimited (4-door) INCLUDES: Replacement track bar bushing - single APPLICATIONS: HD forged adjustable front track bar (# 1753418) HD forded adjustable rear track bar (# 1754418) NOTE: Must be pressed in.