Full Metal Split Rear Diff Set for 1/10 Losi REY 40/14T

FONZON Rear Differential – CNC & Powder Metal Hybrid for LOSI 1/10 REY

Compact design. Heavy-duty performance.
The FONZON Rear Differential is precision-built to handle the demands of high-speed desert and rock racing. Featuring a blend of CNC-machined and powder metallurgy components, this differential delivers smooth helical gear engagement, consistent power delivery, and long-lasting durability—all in a compact, race-ready unit.

🔧 Key Features:

• Powder metallurgy planetary gears for reliable strength in a compact form

• All-helical gear design for smoother, quieter operation under load

• Metal diff case (center housing) made from 7075-T6 aluminum alloy for high rigidity and low weight

• CNC-machined nickel-chromium alloy steel bevel gear (helical teeth)（steel makeup#4340）

• CNC-machined nickel-chromium alloy steel drive bevel gear (helical teeth)（steel makeup#4340）

• Nickel-chromium alloy steel drive cups for impact resistance and longevity（steel makeup#4340）

• Grade 12.9 gold-colored, titanium-coated screws for corrosion resistance and secure assembly

• Fully assembled and ready to install

📦 Package Includes:

• 1 × Rear 40T Differential Assembly

• 1 × Rear 14T Drive Bevel Gear

✅ Compatibility:

Direct fit for the rear differential mounting position of the LOSI 1/10 REY platform.
(Confirm gear mesh and axle alignment before installation.)

⚠️ Note: Due to the unique internal design of LOSI’s stock differential, it uses grease instead of differential oil. For the latest BAJA REY 2.0 models (LOS03046 and LOS03049), please use FZCSREY01 instead.