Fit the Yokomo S4-300FRA Aluminium Front Suspension Mount (Rear) as a replacement for the stock resin bush to unlock broader alignment options and greater toughness. Designed for hobbyists who work on setups for varying track conditions.
The S4-300FRA is precision machined from durable aluminium to withstand repeated use while holding alignment settings. That extra adjustability is useful when dialing suspension in on looser or mixed grip surfaces.
Compatible with B-YZ4SF, B-YZ4SF2-1, MOR-010, and MOR-020 chassis. The straightforward installation means you can upgrade at the field without complex teardown.
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