Fit the Yokomo S4-002SP2A kit to your YZ-4SF2 to gain a tightly fitting side plate, reinforced battery post, and secure antenna mount built for consistent operation. The components are made to sit cleanly in racing setups and to help maintain reliable performance during events.
The Yokomo S4-002SP2A includes parts chosen to improve chassis stability and predictable handling. The side plate adds structural support, the battery post keeps your pack locked in place, and the antenna mount reduces movement for steadier signal reception on the track.
This kit fits chassis models B-YZ4SF2-1, MOR-010, and MOR-020, giving you compatibility across common YZ-4SF2 builds. Installation is designed to be direct so hobbyists can swap parts quickly and get back to setup and testing without downtime.
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