Traxxas 3691A Left and Right Gearbox halves (grey) with Idler Shaft

Gearbox halves (l&r) (grey) w/ idler gear shaft Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your user's manual for exact parts listings.