proline lid skids, shoe goo and drywall tape the body (they're pricey), kill switch is must, outerwears for air filter and pull start, get a gyro for stability control, rcr/better brake kit. spare pull start, maybe a higher capacity battery and a way to mount it (i used a nimh pack carefully zip tied to the front shock tower, exhaust really helps, if i were you i'd get a motor from oneil bros racing. you can get a long block that puts out like at least 7hp for around 300. of course all this isn't mandatory (except for the pull start) but i like these