This aftermarket screw pin set fits the front and rear CVD drive shafts used on TRX4 scale platforms. The 4pcs kit replaces worn or missing pins that secure CVD joints, restoring positive engagement and reducing driveline play during low-speed trail crawling and scale runs.
Installation is simple: separate the affected CVD joint, inspect the mating faces for wear, swap in the replacement pins, and confirm correct seating and free rotation before reassembly. These pins are intended for maintenance and repair rather than a performance upgrade, helping keep suspension and driveline geometry consistent on technical sections.
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