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ARRMA 4X4 Transmission Upgrade Set: ARRMA BOOST, ARA210003
- Convert your ARRMA 4x2 BOOST vehicle for full 4x4 traction!
- Includes all parts required to convert your 4x2 BOOST model to become 4 wheel drive
- Contains full instructions to allow conversion in quick, easy steps
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.
- Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device