The JR-TRX431-BK fender kit is an aftermarket accessory made for the Traxxas TRX-4 Ford Bronco (82046-4). Each piece is a rubber mud flap that fits the fender zones to limit spray, guard paint edges, and complete the scale crawler aesthetic. These parts are intended as replacements or upgrades for the TRX-4 Ford Bronco RC model only.
Fitting is simple for hobbyists familiar with body work: position flaps at the Bronco's fender attachment points on the TRX-4 chassis and secure with factory fasteners or suitable hobby screws. Minor trimming or clearance adjustments could be necessary with certain body shells or larger wheel and tyre combos, so test-fit before final mounting.
In terms of setup these flaps are cosmetic and protective rather than tuning components for suspension or drivetrain. They help keep mud off the shell, reduce chipping around painted edges, and offer a quick way to improve scale realism without affecting driving behavior.
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