ARRMA ARA210007 Front & Rear Metal Diff Boost Box Super Baja Rey Parts 10x15x4mm x7

10x15x4mm x7

PHB2S8000100B

Powerhobby Hardened Steel 56T Spur Gear / 18T Pinion FOR Traxxas 2WD

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ARRMA ARA210007 Front & Rear Metal Diff Boost Box Super Baja Rey Parts 10x15x4mm x7ARRMA ARA210007 Metal Diff BOOST Box Their all terrain toughness enables ARRMA vehicles to easily outlast other RC bashers. Exciting speeds are always possible right out of the box, but when you're ready to take your ARRMA 4X2 BOOST, MEGA, or 3S basher to even higher speeds with more powerful motors, ARRMA is ready with the extra durable ARRMA Metal Diff BOOST Box option part package. The ARRMA Metal Diff BOOST Box upgrades your model to 4S metal gear