Take your 4x2 Boost vehicles performance to the next level with this 4WD Boost conversion. Contains everything you need to convert your 2WD Boost vehicle to 4WD in a short space of time!

• (1) ARRMA 4x4 Decal Sheet
• (2) Universal Joint front slider driveshafts
• (1) Assembled composite differential
• (1) Differential Yoke
• (1) Hybrid Aluminum and Composite Input Gear
• (1) Short Center Driveshaft to suit GRANITE & VORTEKS 4x2 BOOST Models
• (1) Long Center Driveshaft to suit SENTON 4x2 BOOST Models
• (1) Instruction Manualn

Even though ARRMA 4X2 BOOST and MEGA RC vehicles can accelerate to speeds of 30+ MPH in optimum conditions with their included brushed motors, at some point you'll want to go even faster - and you can, when you make your RC basher brushless-ready using the ARRMA Metal Slipper Power Module BOOST Box option part package. The choice of brushless motor and ESC is left to your personal preference. The ARRMA Metal Slipper Power Module BOOST Box includes a brushless-ready power module and slipper clutch, plus 15T, 18T, and 20T pinions to match ARRMA 4X2 BOOST and MEGA models' different tyre diameters. Just follow the supplied QR code link to an online installation video for fast, confident assembly. With the ARRMA Metal Slipper Power Module BOOST Box, it's easy to take your ARRMA vehicle to the next level of performance with brushless power!

• (1) Assembled Brushless Power Module
• (1) Assembled Slipper Clutch
• (1) 15T, (1) 18T, and (1) 20T Pinions
• (1) ARRMA BOOST Brushless Power Module Upgrade Product Manual
• (1) ARRMA BOOST Decal Sheet

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 tyre 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!

• (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

BOOST Models will require an SLT3 receiver for compatibility, such as Spektrum SLR300.

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. Yokes are included, along with a bonus sheet of ARRMA BOOST decals. Use the ARRMA Metal Diff BOOST Box and other ARRMA BOOST Box option packages to raise your ARRMA model's performance to higher and higher levels - where you go beyond bashing into blasting!

• (2) Assembled Metal Gear Differential
• (2) Bevel Gear Yokes
• All Necessary Hardware
• (1) ARRMA BOOST Metal Diff Upgrade Product Manual
• (1) ARRMA BOOST Decal Sheet

ARRMA makes it easy and affordable for drivers of ARRMA 4X2 BOOST, MEGA, or 3S vehicles to continue on the path to higher and higher levels of performance - for example, by upgrading the transmissions with even greater durability using the ARRMA Metal Slipper and Metal Input Gears BOOST Box upgrade package. Its strong metal gears give your transmission the additional toughness needed for stepping up to higher-speed, higher-performance brushless power. These are the same metal slipper clutch and metal diff input pinions as those used in 4S ARRMA vehicles. The ARRMA BOOST Metal Slipper and Metal Input Gears BOOST Box prepares your 4X2 BOOST, MEGA, or 3S transmission with the strength to handle more powerful motors, allowing you keep growing as a driver while using the same ARRMA vehicle you already own - upgraded for amplified ARRMA bashing performance.

• (1) Assembled Metal Slipper Clutch With 57T Mod 0.8 Sintered Spur Gear
• (1) 13T 4S Input Pinion Gear
• (1) All Necessary Hardware
• (1) ARRMA BOOST Transmission Upgrade Product Manual
• (1) ARRMA BOOST Decal Sheet

Whether you're looking for ways to upgrade your beginner-level 4X2 MEGA BOOST or want to take your 4X4 MEGA or 3S RC basher to the next level, you can improve the stability of any ARRMA GRANITE or VORTEKS - especially in curves - by widening its track with this Wide Arm BOOST Box option package. In addition to wishbones and turnbuckles, the ARRMA Wide Arm BOOST Box includes a QR code that links to a step-by-step assembly video for easy installation. You also get a colourful ARRMA BOOST decal sheet. Go from bashing to blasting with amplified ARRMA performance by adding the ARRMA Wide Arm BOOST Box option package to your ARRMA GRANITE or VORTEKS vehicle, as you continue on your journey toward becoming the best RC driver you can be.

• (1) Assembled Front Left A-Arm
• (1) Assembled Front Right A-Arm
• (1) Assembled Rear Left A-Arm
• (1) Assembled Rear Right A-Arm
• (6) 48mm Link Turnbuckles
• (1) ARRMA BOOST Wide Arm Upgrade Product Manual
• (1) ARRMA BOOST Decal Sheet