Tamiya 15526 Basic Tune-Up Parts Set for VZ ChassisThis handy set is an excellent way for less experienced racers to upgrade the VZ chassis! Includes FRP plates, 13mm rollers molded in low friction plastic, four adjustable mass dampers, plus stabilizer ball heads. The plates are compatible with 9mm, 11mm, 13mm, 17mm and 19mm rollers, while plastic parts are molded in cheery fluorescent orange. Parts and tools for attachment are included, too. Compatible Cars VZ Chassis cars