Description

Specifications

Fonzon 39/12T Full Metal Split F/R Universal Diff with 100k CST Oil Arrma 8S

Designed for brute power and precision control, this is the FONZON (39/12T) Front/ Rear Differential for the ARRMA 8S platform. 

 

Features

  • All gears CNC-machined from nickel-chromium alloy steel for maximum strength(steel makeup#4340)
  • Helical gear design for smoother engagement and quieter operation under load
  • Metal diff case (center housing) crafted from 7075-T6 aluminum alloy for superior rigidity and reduced weight
  • Grade 12.9 corrosion-resistant screws ensure long-lasting assembly integrity
  • High-quality matched drive cup bearings provide stable, efficient rotation
  • Factory pre-filled with 100K cSt differential oil
  • Fully assembled and ready to install – no setup required
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