Battery Expansion Kit (allows for installation of taller battery packs in Maxx® with standard chassis (329mm wheelbase)), TRA-8919X new Just apply this to your

Just apply this to your foam tires for a few minutes

a revolutionary leap forward in bar tire design engineered specifically for the most discerning RC racers

NOTE: Phone shown in photos is not included

1 Motor Combo Kit HWI-38020372

Does not include window masks or decals

Battery Expansion Kit (allows for installation of taller battery packs in Maxx® with standard chassis (329mm wheelbase)), TRA-8919X new Just apply this to yourTraxxas Battery expansion kit (allows for installation of taller battery packs in Maxx with standard chassis (329mm wheelbase)), TRA 8919X The battery expansion kit allows you to install taller batteries in the standard 329 mm wheelbase Maxx. Does not fit extended 352 mm wheelbase Maxx.