This upper chassis mount is designed to fit on the Traxxas #4422 aluminum chassis. It allows the conversion to mid motor using an electric 2wd slash donor truck with the 272 transmission, not the 272R (clipped body style). Bell crank posts and servo mount are integrated in the upper chassis.

Included: 1 upper chassis support with servo mount and bell crank posts.
Not included: #4422 aluminum chassis and traxxas slash 2wd donor truck.