Arrma Main Diff Gear 43T Spiral (GP4, 5mm, 29mm Diff Case) – ARA310980

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: (1) 43T Spiral Main Diff Gear (5mm bore) – Part #ARA310980 Compatibility: Must be used with 29mm diff case (ARA310983 or ARA311061) Arrma Kraton 6S BLX / EXB Arrma Notorious 6S BLX / EXB Arrma Outcast 6S BLX / EXB Arrma Talion 6S BLX / EXB Arrma Mojave 6S BLX / EXB Arrma Fireteam 6S BLX Part #: ARA310980