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The UMI pinion shim kit for 2015+ Ford F-150 corrects pinion angle on lowered trucks to reduce vibration and improve driveline smoothness. Machined from 6061-T6 aluminum with a 2.5° taper, the kit includes a pair of shims in a natural finish and is made in the USA for direct bolt-in installation. It provides a straightforward method to restore proper pinion geometry after lowering.
UMI Performance 15-24 Ford F-150 Pinion Shim Kit
