Upgrade your drivetrain with the Arrma 43T Spiral Main Diff Gear. Designed for use with the 29mm GP4 differential case, this heavy-duty spiral cut gear provides smoother meshing, improved durability, and reliable performance under 6S power.
✅ Spiral Cut Design – Reduces wear and noise while improving efficiency
✅ Heavy-Duty Build – Engineered for extreme torque and hard bashing
✅ 29mm Diff Case Compatible – Fits only GP4 29mm differential housings
✅ Genuine OEM Part – Precision fit and long-lasting reliability
Includes:
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(1) 43T Spiral Main Diff Gear (5mm bore) – Part #ARA310980
Compatibility:
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Must be used with 29mm diff case (ARA310983 or ARA311061)
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Arrma Kraton 6S BLX / EXB
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Arrma Notorious 6S BLX / EXB
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Arrma Outcast 6S BLX / EXB
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Arrma Talion 6S BLX / EXB
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Arrma Mojave 6S BLX / EXB
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Arrma Fireteam 6S BLX
Part #: ARA310980
