I have no idea it was an e-bay special. All I know it has a RC10gt chassis and drive line. right now I am tempted on just putting an Epic .18 engine in it with the largest clutch bell,Smallest spur gear, foam tires, and a gps tracker to see how fast I can make this thing go. I might use a traxas 3.3 engine since the linkage is set for a slide carb. Mcallister has alot of nice bodies. And I have presently 4 RC10gts so I am not sure what to get....