This is an optional DE Racing Team Associated SC10/SC10.2 Chassis Brace. This chassis brace maximizes your racing dollar by increasing the life and durability of your Team Associated race vehicle, virtually eliminating the hassle and expense of a broken chassis. When mounted, the Chassis Brace sandwiches the chassis between itself and the upper steering plate, redistributing impacts and virtually eliminating the chance of a broken chassis. This keeps your rig on the track and out of the pits, while maintaining its sleek stock appearance. All the necessary hardware is included, as well as a drill bit that is required to modify the chassis. Installation takes only minutes on a fully assembled kit.