The Yokomo S4-003FCA Graphite Front Chassis Brace is a straightforward performance upgrade for the YZ-4S that boosts front-end rigidity. Made from durable graphite and mounted to the resin chassis brace, it helps the car stay composed during aggressive driving.
Graphite offers stiffness and light weight, which reduces unwanted flex while keeping overall mass low. Fitting this brace sharpens front feel and makes steering inputs more immediate on asphalt and high grip surfaces.
This brace fits Yokomo references B-YZ4SF, B-YZ4SF2-1, MOR-010, and MOR-020. The install process is simple and uses the chassis mounting points that come with the YZ-4S, so you can upgrade between practice runs.
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