YMB Pro Conversion Kit.  Kit comes as shown assembled with T-Plate and Hardware.  This car comes with Brass Weights.  This car works with foam tires and rubber tires.  This car offers the option of running a t-plate, v-plate or links.  You can change from one to the next at the track without having to swap chassis plates.  You can upgrade the weight plates to the Tungsten Version for an upcharge.