Fonzon Full Metal Rear Diff with Rear Input Pinion, Arrma Grom
SKU: FZCSGRR01
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Compact size, uncompromising durability. The FONZON All-Metal Differential is purpose-built for the ARRMA GROM series, delivering robust power transfer in a lightweight, mini-scale package. Designed with high-strength materials and precision assembly, it’s the ultimate upgrade for durability and smooth drivetrain operation.
- Powder metallurgy planetary gears for excellent strength and precision in compact form
- Metal diff case (center housing) made from 7075-T6 aluminum alloy – lightweight and rigid
- Nickel-chromium alloy steel drive cups ensure durability under high RPM conditions
- Powder metallurgy drive bevel gear and ring gear for consistent torque transfer
- Grade 12.9 black corrosion-resistant screws
- Factory pre-filled with 3K cSt differential oil
- Fully assembled and ready to install
