HRCH07 - H&R Racing Products Adjustable Wheelbase 1/24 RTR assembled Rolling Chassis Wheelbase adjustable from 3 5/8" to 4 7/8" (92mm to 123mm) - Includes 26,000 RPM small can Cobra motor, 27x18mm rear Fish Rubber Tires with NASCAR Silver Wheels on setscrew aluminum hubs and foam NASCAR Wheel fronts, Oilite bushings, body mounting kit - Comes with inline motor mount & Parma axle gearing.