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JWL 30T Rear Differential with 12T Input Gear for ARRMA GROM Series
$999.00
Material Specifications
- Main gear: 30T with 12T input pinion, powder metallurgy (MIM metal injection molding)
- 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
Core Advantages
- Complete rear differential assembly: Includes input pinion gear ¨C ready to bolt in
- MIM gear technology: Superior strength and wear resistance over stock
- Aluminum housing: Eliminates flex and improves gear mesh consistency
- Direct fit for GROM series: No modification needed
- Chromium steel outdrives: Reduce wear and improve driveshaft life
Usage Notes
- Run gently for first battery pack to allow gears to bed in
- Use 3000cSt silicone oil; re-lubricate every 10-15 runs
- Inspect input gear wear after heavy use ¨C replace if teeth show sign of rounding
- Apply thread locker to input gear grub screw
Compatible Vehicle Models
Fits ARRMA GROM 1/18 series (rear differential position)
- ARRMA Granite GROM (rear)
- ARRMA Typhon GROM (rear)
- ARRMA Mojave GROM (rear)