The Yokomo S4-018SA shock tower spacer is a small but effective tuning piece for drivers running a YZ-4S chassis. It provides a consistent spacer to help refine suspension geometry and vehicle balance.
Built for the YZ-4S platform, the S4-018SA lets you make measured adjustments that improve mid-corner stability and exit traction. It suits racers who prefer incremental setup changes to reach their ideal handling window.
This spacer fits B-YZ4SF2-1, MOR-010, and MOR-020 chassis layouts, giving flexible use across YZ-4S builds. Installation is quick and designed to let you swap settings between practice runs with minimal fuss.
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