is your losi a kit or rtr. if you going to get into racing your going to need alot of tires and wheels. your going to want lot of spare parts like hingpins,glowpugs,clutch shoes,spur gears,good hex set snd a little more to be a amature in racing. its kind of hard to list everything because there is alot. i have been racing for 9 years now and if you have any question just private message me .