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JWL 30T 3000CST Front/Rear Differential for ARRMA GROM Series
$999.00
Material Specifications
- Main gear: 30T, powder metallurgy (MIM metal injection molding) for high density and strength
- Differential housing: 7075-T6 aerospace grade aluminum alloy
- Outdrive cups: Hardened chromium steel
- Internal gears: Powder metallurgy steel
- Fasteners: High-strength alloy steel screws
- Differential oil: Pre-filled with 3000cSt silicone oil (or dry ¨C check your version)
Core Advantages
- MIM gear technology: Provides near-forged density and wear resistance, far superior to stock sintered or plastic gears
- Aluminum housing: Eliminates flex and gear misalignment common with stock plastic diffs
- Precision fitment: Direct upgrade for ARRMA GROM 1/18 scale models
- Ready to install: Pre-assembled with bearings and screws, saves time
- Smoother power delivery: Chromium steel outdrives reduce wear on driveshafts
Usage Notes
- No break-in required for MIM gears, but recommended to run gently for first battery pack
- Recommended oil: 3000cSt silicone oil; re-lubricate every 10-15 runs
- Check screw tightness after initial runs as housing may settle
- Ensure correct orientation when installing (front vs rear marked on housing)
Compatible Vehicle Models
Fits ARRMA GROM 1/18 series (front or rear differential)
- ARRMA Granite GROM
- ARRMA Typhon GROM
- ARRMA Mojave GROM