The Yokomo S4-002SP2A kit upgrades your YZ-4SF2 with a rugged side plate, positive battery post, and a tidy antenna mount designed for dependable track use. These replacements are intended to improve how components sit and perform under load.
The Yokomo S4-002SP2A pack contains parts that aim to increase reliability and consistency. The side plate gives added structural support, the battery post secures the pack during hard driving, and the antenna mount reduces movement for stable receiver link quality.
The kit is compatible with chassis B-YZ4SF2-1, MOR-010, and MOR-020, offering versatile fit across YZ-4SF2 variants. Installation is intentionally simple so you can install the parts quickly and resume setup checks.
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