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Pro Built Rear Differential Overview: The Pro Built® rear differential comes completely assembled and ready to install in your 8s X-Maxx® or XRT®. Includes differential pinion gear and bearings. This is a replacement part for the following Traxxas models: X-Maxx (Model #77096-4) X-Maxx Ultimate (Model #77097-4) X-Monster BIGFOOT 50th (Model #77136-4) X-Monster Chassis (Model #77036-4) XRT (Model #78086-4) XRT Ultimate (Model #78097-4)
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🇺🇸 Ship from USA · On Agora since 2026
$49.95