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Arrma 4s V2.5 30Thirty Dual Fan Kit

Regular price $59.99

Shipping calculated at checkout


Only 1 in stock

• Improved Cooling

• Direct Bolt On

• Incredible Sound

Face it, you just can't leave it stock.  If you're going for the land speed record or the highest jump in the park, sooner or later you'll find yourself stuck with a dreaded overheating motor and that small stock plastic fan isn't doing you ANY favors.  Upgrade today with our bolt-on adapter kit to mount Dual 30mm aluminum fans to cool it off and keep you bashing longer!  The sleek Velocity Stack Rock Guard kit is a complete plug and play setup that'll have you back on the dirt in minutes.

Included in kit:

***Dual 30mm fans are optional, please select the correct kit - fans may be silver/black or red/black depending on availability***

- Adapter plate with brass threaded inserts (mounts to stock Arrma 4s V2.5 heat sink with threaded holes) used most commonly in the new Kraton 4s V2.5

- Velocity Stack Rock Guard

- 2-1 Y harness adapter

- ALL Stainless mounting hardware + zip tie + stickers

Confirmed Fitment:

  • Kraton 4s V2.5


  • Remove stock fan and grill from heat sink
  • Bolt on the adapter plate with (4) M3x8mm bolts
  • Fasten each fan with (2) M3x14mm bolts in the center
  • Install Velocity Stack Rock Guard with (4) M3x20mm bolts
  • Plug each fan into the 2-1 harness adapter (arrow on plug is +Positive) and plug the splitter male end into the stock ESC fan plug paying attention to polarity
  • Route the fan wires and zip tie any loose wires away from moving parts
  • Power on the ESC to check fan function, if a fan does not turn on flip the plug over and retry
  • Get ready to bash!!

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