ARRMA Metal Center Differential Unit (57T / Pre‑Assembled)

The ARRMA ARA311165 57T Metal Center Diff Set is a tough, drop‑in upgrade featuring a 57T steel spur, metal diff case, and steel internals for reliable power delivery. Pre‑filled with 500k cSt oil, it boosts durability and traction control on high‑power ARRMA 4x4 and 4S BLX vehicles.

 

COMPATIBILITY:

• 1/10 Big Rock V4
• 1/10 Granite V4
  
• 1/10 Kraton 4S V2
• 1/10 Outcast 4S V2
• 1/10 Senton 4WD V4
• 1/10 Vorteks 4WD V4
  
• 1/8 Mojave 4S V1
• 1/8 Typhon V4

 

FEATURES:

• Heavy‑duty 57T steel spur gear
  
• Metal diff case for improved strength and heat resistance
  
• Steel internal gears for long‑lasting durability
  
• Pre‑assembled and factory‑filled with 500k cSt silicone oil
  
• Smooth, consistent power transfer under high load
  
• Direct drop‑in fit for compatible ARRMA 4x4 and 4S BLX vehicles
  
• Reduces wheelspin and improves traction balance

 

SPECIFICATIONS:

• Part#: ARA311165
• Main Gear Tooth Count: 57T
  
• Gear Module: 0.8 MOD
  
• Spur Gear Material: Hardened steel
  
• Diff Case Material: Precision‑machined aluminum
  
• Internal Gears: High‑strength steel, straight‑cut
  
• Output Shafts: Steel, splined
  
• Oil Weight (Factory‑Filled): 500,000 cSt silicone oil
  
• Assembly: Pre‑assembled, ready to install

 

INCLUDES:

(1) ARRMA Metal  Center Differential Unit

 

NOTES:

• Always refer to your vehicle's manual or check with the vehicle's manufacturer to verify compatibility. Newer models may not appear on Compatibility list above.