Traxxas Halves (Front & Rear) RC Gearbox - 5391R R606 2nd Radius Curve Kyosho GX21-powered RC vehicle requiring

Kyosho GX21-powered RC vehicle requiring replacement hardware

200mm wide-body width suits wide-body touring and drift chassis configurations

Direct OEM Traxxas fitment — no modification required for compatible models

and this GPM Racing aluminium unit offers a more durable alternative for builders looking to move beyond the standard plastic housing

Traxxas Halves (Front & Rear) RC Gearbox - 5391R R606 2nd Radius Curve Kyosho GX21-powered RC vehicle requiringThe Traxxas 5391R Gearbox Halves (Front & Rear) are direct fit replacement gearbox components for compatible Traxxas RC models, providing a straightforward path to restoring a stripped or cracked gearbox housing. Sold as a matched pair of front and rear halves, TRX5391R gives you everything needed to rebuild the gearbox casing rather than replacing the entire drivetrain assembly. These are genuine Traxxas spare parts, so fitment and tolerances match