Full Metal Split F/R Universal Diff for ARRMA 8S Series

FONZON Front / Rear Differential for ARRMA 8S Platform

Designed for brute power and precision control.
The FONZON Front/Rear Differential for ARRMA 8S vehicles is built to handle the extreme torque and stress of large-scale bashing. With fully CNC-machined internals and a premium aluminum housing, it ensures smooth power delivery, long-term durability, and easy drop-in installation.

🔧 Key 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

📦 Package Includes:

• 1 × 39T Front and Rear Universal Differential Assembly

• 1 × 12T Drive Bevel Gear

✅ Compatibility:

Direct fit for ARRMA 8S platform models, including but not limited to:

• Kraton 8S

• Outcast 8S

• EXB Series 8S Models

Whether you're pushing the limits in off-road mayhem or upgrading for drivetrain reliability, the FONZON 8S Front/Rear Differential is ready to deliver unmatched performance and confidence.