
Brushless System & Power Module (Boost Box)
A plug-in power upgrade module - a straightforward way to add ARRMA's brushless power/booster hardware to a compatible chassis.
See on AmazonA running ARRMA needs spares, and a fast one benefits from a few upgrades. These are genuine ARRMA parts worth knowing - power modules, tougher diffs, better tyres and the cheap essentials that save a wasted afternoon.

A plug-in power upgrade module - a straightforward way to add ARRMA's brushless power/booster hardware to a compatible chassis.
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Metal differential upgrade - swaps softer stock diffs for tougher metal internals that stand up to high-power bashing.
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A wide-track suspension arm kit - widens the stance for extra stability on jumps and hard cornering.
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A 4-pole brushless motor for 1/10 4X4 ARRMA trucks - a common replacement or power upgrade for the smaller-scale rigs.
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Belted, pre-mounted tyres with foam inserts - belted rubber resists ballooning at speed, a popular upgrade for fast running.
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Cheap, essential spares - the clips that hold the body on. You will lose one eventually, so a pack in the pit box saves a run.
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A rollout pit mat - keeps screws and small parts from vanishing in the grass while you work on the truck.
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