ARRMA Metal Diff BOOST Box ARA210007 4X2 BOOST, MEGA, or 3S basher

COMPATIBILITY Arrma Granite 4x4 550 Arrma Senton Mega Arrma Typhon 4X4 550 Arrma Vorteks Original Install the extra-durable ARRMA Metal Diff BOOST Box option part package and bring out the beast in your 4X2 BOOST, MEGA, or 3S basher. Included are strong, all-metal front and rear diffs with full metal ring gears, input gear, and internal gears. Introduction 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 specs, giving it the powertrain durability for bringing out the beast in your ARRMA RC basher. The ARRMA Metal Diff BOOST Box comes ready to install following the step-by-step guidance in the online assembly video.