Pro-Built Magnum 272 Transmission

The Pro-Built Magnum 272™ transmission arrives ready-to-install and precisely assembled to Traxxas’ exacting standards. Pro-Built components save time and make it easy to restore like-new performance with factory-fresh parts. Pro-Built components ensure your model delivers all the performance, durability, and fun. Includes 76T, 83T, and 86T spur gears.