GBP
Fits These Models (2)
Show all 2 models
Description
The Method RC Fonzon 39/12T Full Metal Split Front/Rear Differential for ARRMA 8S Series (part FZCS83912T) is engineered for brute power and precise control on large-scale terrain. Built to withstand extreme torque and repeated impacts, it delivers smooth, consistent drive with long-term durability.
Its fully CNC-machined 4340 nickel-chromium alloy steel internals use a helical gear profile for quieter, smoother engagement under load. A rigid 7075-T6 aluminium diff case keeps everything aligned, while grade 12.9 screws and matched drive cup bearings support reliable, efficient rotation. Factory pre-filled with 100K cSt differential oil and supplied fully assembled, it offers easy, drop-in installation.
Features
- All gears CNC-machined from nickel-chromium alloy steel (4340) for maximum strength.
- Helical gear design for smoother engagement and quieter operation under load.
- Metal diff case (centre housing) crafted from 7075-T6 aluminium alloy for high rigidity with reduced weight.
- Grade 12.9 corrosion-resistant screws for long-lasting assembly integrity.
- High-quality matched drive cup bearings for stable, efficient rotation.
- Factory pre-filled with 100K cSt differential oil.
- Fully assembled and ready to install – no setup required.
Suggested Compatibility
ARRMA 8S platform models, including:
- Kraton 8S
- Outcast 8S
- EXB Series 8S Models
Secured by Stripe
Specifications
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.
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.
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 .
Direct fit for ARRMA 8S platform models, including but not limited to:
- Kraton 8S
- Outcast 8S
- EXB Series 8S Models
Key Info:
- Brand: Method RC
- Part No: FZCS83912T
- Barcode: 195286010796
- Fitment: Option Part
Additional Categories:
Delivery & Returns
Standard Shipping
£3.95 to most of the UK
Express Shipping
£6.95 to most of the UK
Worldwide Shipping
Available at checkout
Customer Reviews
No specific product reviews yet, why not write one?Questions & Answers
For more in depth queries, please contact us.