The MIP Super Ball Differential for the Re-Released 2016 Blackfoot and 2015 Monster Beetle. This kit will not compromise the integrity or appearance of your vehicle. It is a direct bolt-on kit, with no modifications needed for both 2015 Monster Beetle and 2016 Blackfoot. It was designed to work with Tamiya s brand-new universal pin drive axle, giving you the option of installing brushless motors without fear of destroying the stock gear differential or extremely expensive vintage ball differential. The ability to add different grease viscosity for tuning and no fear of slipping will bring the Blackfoot into the 21st Century without Losing that old-school 1980 s feel.