This is an RC-scale slide rack base designed as a direct replacement within the YD-4 standard parts group. The part is made of steel and serves as the mounting foundation for the slide rack assembly, providing structural support where the rack interfaces with the chassis.
Functionally the base locates the slide rack and helps maintain alignment under lateral loads, so it plays a straightforward role in setup and tuning: when worn or bent, replacing this base restores the intended rack geometry and reduces play that affects steering response.
Installation is intended to match the YD-4 standard mounting points, so verify alignment during assembly and check for proper seating before final tightening. No additional modifications are required for the supported chassis listed below.
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