I just bought i belive is a nitro rs4 2 nitro power 4wd, atleast thats wut the stickers say, the body says hpi racing, and the motor has hpi on it, I'm not sure exactly what this is, if anyone knows, plz inform me haha, i also need a rebuild kit, "rod, piston, sleeve, and poss electric starter kit. The motor was just beat, and was locked up, i got it free w/ alil oil and some patetience, but it wouldn ever roll over freely, w/ the head off. Just please fill me on on some decent websites, that sell parts for my car, would be greatly appreciated.