The ICON Vehicle Dynamics Carrier Bearing Drop Kit is designed to help optimize driveline geometry on 1999-2026 Ford F-250 and F-350 Super Duty trucks equipped with a two-piece rear driveshaft. Featuring a selection of 3/16-inch and 1/4-inch CNC laser cut steel shims, the kit allows for precise adjustment of the rear driveshaft carrier bearing to fine tune driveline angles across a wide range of lift heights. Proper carrier bearing alignment helps reduce driveline vibration, improving overall driving comfort and extending drivetrain component life. The durable steel shims are zinc plated for excellent corrosion resistance, and all necessary mounting hardware is included for a straightforward installation. Whether used as part of a complete suspension system or to address driveline angle concerns on an existing lifted truck, the ICON Carrier Bearing Drop Kit provides a simple and effective solution for achieving smoother, more reliable performance.