Yokomo SD-118RSA Battery Mount Spacer — drift chassis height-adjusting spacer  [SD-118RSA]

Battery mount spacer overview

This SD-118RSA spacer set is an RC-scale under-plate spacer designed to change the vertical position of the battery mounting plate. It’s a simple mechanical part that alters how the battery sits relative to the chassis, enabling incremental adjustments to centre of gravity and clearance without modifying the main battery tray.

Functionally, the spacer is placed beneath the battery mount plate to raise or lower the plate by small amounts. That shift can affect weight distribution and body clearance in drift setups, giving a straightforward tuning option for balance and handling. Because it is an accessory for RC drift chassis, it should be considered a tuning aid rather than a primary suspension or structural component.

Installation is straightforward: remove the existing battery mount hardware, insert the spacer(s) between the mount plate and chassis, then reinstall the mount hardware while ensuring secure thread engagement. Check that there is no new interference with body mounts, wiring, or other components after adjustment. Keep setup changes small and test progressively to judge handling effects.

Practical notes for use: use the spacer to fine-tune low-speed balance and to gain small increases in ground clearance under the battery plate. Because mounting patterns and screw lengths vary between chassis, confirm fit and screw length before final installation.