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  • Fits 1 x Factory Assembled Open Front or Rear Diff, GP4 43T Spiral Cut Gear and 80k cSt Silicone Oil
  • Factory-assembled and filled with 80k cSt silicone oil for fast and efficient servicing
  • Tough steel internal gears for long-lasting durability in all conditions
  • Traditional differential assembly for open differential action
  • Strong composite diff case with integrated steel insert for durability
  • 43T GP4 spiral cut steel main gear for increased durability under extreme loads
  • Metal Cross Shafts for increased efficiency
  • Includes rubber shielded bearings for fast and efficient fit to your vehicle
  • Open differential favored on rear axle
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Arrma Front/Rear GP4 29mm Diff Set with 80K Oil, Big Rock 6S

SKU: ARA311199
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This Arrma Front/Rear GP4 29mm Diff Set with 80K Oil is compatible with the Arrma 1/8 Kraton 6S BLX 4X4 EXtreme Bash Speed Monster Truck (ARA8708T1) and the Arrma 1/7 Big Rock 6S BX Monster Truck (ARA7612).

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$203.99
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Arrma Front/Rear GP4 29mm Diff Set with 80K Oil, Big Rock 6S

SKU: ARA311199
$203.99
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This Arrma Front/Rear GP4 29mm Diff Set with 80K Oil is compatible with the Arrma 1/8 Kraton 6S BLX 4X4 EXtreme Bash Speed Monster Truck (ARA8708T1) and the Arrma 1/7 Big Rock 6S BX Monster Truck (ARA7612).

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