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expiredch5richards posted Nov 13, 2025 2:58 PM

Arrma 4X2 to 4X4 Transmission Conversion Upgrade Set: BOOST BOX $4.99

$4.99

$48

89% off
Horizon Hobby
7 Comments
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This kit was made to upgrade a 4x2 Arrma boost RC to become 4x4 RC. Even if you don't have a boost RC at this price it is well worth IMHO for extra spare parts. You get a differential with the yoke, the center driveshaft, and 2 universal joint front slider driveshafts.

https://www.horizonhobby.com/prod...10003.html
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About the Poster
This kit was made to upgrade a 4x2 Arrma boost RC to become 4x4 RC. Even if you don't have a boost RC at this price it is well worth IMHO for extra spare parts. You get a differential with the yoke, the center driveshaft, and 2 universal joint front slider driveshafts.

https://www.horizonhobby.com/prod...10003.html

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7 Comments

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Nov 13, 2025 5:15 PM
748 Comments
Joined Jun 2007
busteddealsNov 13, 2025 5:15 PM
748 Comments
Quote from ch5richards :
This kit was made to upgrade a 4x2 Arrma boost RC to become 4x4 RC. Even if you don't have a boost RC at this price it is well worth IMHO for extra spare parts. You get a differential with the yoke, the center driveshaft, and 2 universal joint front slider driveshafts.

https://www.horizonhobby.com/prod...10003.html
My kid has a Granite Boost, is there an advantage for his truck if we buy this and install, but keep everything else the same (don't want to fiddle with it too much as the speed is great for him)?
Nov 13, 2025 6:03 PM
536 Comments
Joined Feb 2011
newell74Nov 13, 2025 6:03 PM
536 Comments
Thanks for posting. Bought two for spare parts.

Quote from busteddeals :
My kid has a Granite Boost, is there an advantage for his truck if we buy this and install, but keep everything else the same (don't want to fiddle with it too much as the speed is great for him)?
It'll be 4wd and easier to control.
Nov 13, 2025 6:59 PM
138 Comments
Joined Jul 2015
dlutz88Nov 13, 2025 6:59 PM
138 Comments
Thanks sir! I just picked some up 😁
Nov 13, 2025 7:01 PM
851 Comments
Joined Nov 2016
craigs4sale11Nov 13, 2025 7:01 PM
851 Comments
Dang. Son has a granite voltage 2w Bummer.
Nov 13, 2025 8:54 PM
241 Comments
Joined Jul 2011
BudGoberNov 13, 2025 8:54 PM
241 Comments
Will this work on my 2019 Toyota Tundra? I want to turn my 2x into a 4x...Think if I just put the 4x4 stickers on, it will do the trick??
1
Nov 13, 2025 9:26 PM
851 Comments
Joined Nov 2016
craigs4sale11Nov 13, 2025 9:26 PM
851 Comments
Quote from BudGober :
Will this work on my 2019 Toyota Tundra? I want to turn my 2x into a 4x...Think if I just put the 4x4 stickers on, it will do the trick??
As long as it's a turd. I mean TRD......
1
Nov 14, 2025 3:07 AM
6.2K Comments
Joined Apr 2016
DealzezNov 14, 2025 3:07 AM
6.2K Comments
Quote from BudGober :
Will this work on my 2019 Toyota Tundra? I want to turn my 2x into a 4x...Think if I just put the 4x4 stickers on, it will do the trick??
Depends. You wanna get out of a ditch of impress a woman?

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