Ready for the next level of ARRMA RC bashing performance? The ARRMA 3S Brushless BOOST Box upgrade package comes with everything you'll need to increase the speed capabilities of any 4X2 BOOST or MEGA vehicle, including a 3S brushless motor and ESC*.
Even without upgrades, ARRMA 4X2 BOOST and MEGA brushed RC vehicles are capable of reaching 30+ MPH speeds in optimum conditions and optional gearing. Now imagine what your RC basher can do after you upgrade it to brushless power using the ARRMA 3S Brushless BOOST Box option part package! The ARRMA 3S Brushless BOOST Box is a complete power module that includes a Spektrum Smart 3S ESC, Spektrum brushless motor, heatsink, and cooling fan, along with 15T, 18T, and 20T pinions to suit the different tire diameters of ARRMA 4X2 BOOST and ARRMA MEGA models. The ARRMA 3S Brushless BOOST Box also provides a QR code to an online assembly video that demonstrates simple, step-by-step installation. With ARRMA BOOST option parts, the best beginner's bashers just keep getting better as your skills grow

Features
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
Go from RC bashing to RC blasting!
The 3S Brushless BOOST Box is the recommended next upgrade for the following ARRMA 4X2 MEGA BOOST basher vehicles after the ARA21003 4X4 Transmission Upgrade Set.

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

With Spektrum Smart Battery & S120 USB-C Smart Charger:
ARA4102SV4T1 GRANITE™ 4X2 BOOST Monster Truck RTR Orange/Black
ARA4102SV4T2 GRANITE™ 4X2 BOOST Monster Truck RTR Blue/Black
ARA4103SV4T1 SENTON™ 4X2 BOOST Short Course Truck RTR Green/Black
ARA4103SV4T2 SENTON™ 4X2 BOOST Short Course Truck RTR Blue/Black
ARA4105SV4T1 VORTEKS™ 4X2 BOOST Stadium Truck RTR Red
ARA4105SV4T2 VORTEKS™ 4X2 BOOST Stadium Truck RTR Gunmetal
Without Battery & Charger:
ARA4102V4T1 GRANITE™ 4X2 BOOST Monster Truck RTR Orange/Black
ARA4102V4T2 GRANITE™ 4X2 BOOST Monster Truck RTR Blue/Black
ARA4103V4T1 SENTON™ 4X2 BOOST Short Course Truck RTR Green/Black
ARA4103V4T2 SENTON™ 4X2 BOOST Short Course Truck RTR Blue/Black
ARA4105V4T1 VORTEKS™ 4X2 BOOST Stadium Truck RTR Red
ARA4105V4T2 VORTEKS™ 4X2 BOOST Stadium Truck RTR Gunmetal
The 3S Brushless BOOST Box is also compatible with all 4X4 MEGA vehicles.