His is a 1/4 scale v8 nitro powered engine with real working supercharger. This is a real working 8 cylinder mini engine which runs on pre-mixed 16%-20% nitro methanol fuel (available at most hobby stores) this engine requires a car or stand to mount on in order to start (available in our cars and parts section) , or you can simply display on a shelf. Each one of our engines has been hand built , run in and tuned at our workshop so once you receive it , it's ready to fire up ! This engine includes complete instructions on how to start and maintain. We also offer a variety of option parts available in our parts section. **please note although our products are new , due to the nature of the hobby and machining process these engines go through, each engine might have imperfections like slight scratches , blemishes on chrome etc, although not always the case , we can also provide pictures upon request of your finished engine for confirmation before shipping** (qs-v8-supercharged)