The hpi hellfire is a 1/8 scale stadium nitro rc truck that is the craziest seller online. When you first buy the hpi hellfire it is important to know that you will have to adjust the settings to get it ready for the abuse it is about to take, and believe me it can take the abuse. Make sure when you get the hpi hellfire that you buy tires that will suit the terrain you will be driving your rc nitro truck. If you love to do jumps and do big wheelies then you will love the hpi hellfire for what it is worth.