Arrma 3S Brushless BOOST Box

Arrma 3S Brushless BOOST Box
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Price: $199.99

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BOOST Box Overview

Arrma 3S Brushless BOOST Box. Designed to give you a ready to install power system upgrade the 3S Brushless BOOST Box adds impressive power and performance to your Arrma vehicle. Ideal for Arrma 4X2 BOOST or MEGA vehicles this system includes a Spektrum Smart 3S ESC, Spektrum 3200Kv brushless motor, heatsink, and cooling fan, along with 15T, 18T, and 20T pinions. The Arrma 3S Brushless BOOST Box also provides a QR code to an online assembly video that demonstrates simple, step-by-step installation. Give your Arrma vehicle the gift of more power today, with this ready to install 3S Brushless BOOST Box kit.

BOOST Models will require an SLT3 receiver for compatibility (such as Spektrum SLR300). Not compatible with stock NiMH Battery (SPMX33007C3H) and IC3 Connector.


  • BOOST your vehicle's speed potential whenever you're ready
  • Includes top-quality Spektrum Smart 3S brushless ESC and brushless motor
  • Step-by-step online video demonstrates easy installation
  • Bonus color Arrma BOOST decals also included


  • (1) 3S Spektrum Smart Brushless Firma 100A ESC
  • (1) 3S Spektrum 3660 3200Kv Brushless Motor & ARRMA Heatsink
  • (1) Assembled Power Module & Dual Slipper With 57T Mod 0.8 Sintered Spur Gear
  • (1) 30mm Electric Fan & Cover
  • (1) 20T Mod 0.8 SafeD Pinion
  • (1) 18T Mod 0.8 SafeD Pinion
  • (1) 15T Mod 0.8 SafeD Pinion
  • (1) All Necessary Hardware
  • (1) Arrma BOOST 3S Brushless Upgrade Product Manual
  • (1) Arrma BOOST Decal Sheet

This product was added to our catalog on June 22, 2023