The Yokomo S4-300FFA aluminium front suspension mount replaces the original resin bush to give YZ-4S cars increased adjustment range and firmer steering feedback. It is suited to drivers who demand repeatable geometry and sharper response.
Crafted from aluminium, the S4-300FFA resists the gradual deformation seen in resin components and helps preserve setup accuracy under heavy use. The part is precision made to maintain alignment settings over time.
The mount is compatible with B-YZ4SF, B-YZ4SF2-1, MOR-010 and MOR-020 chassis. Fitting is straightforward with common RC tools, enabling quick upgrades between practice sessions and races.
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