I had a roller I intended to use this in but I need funds for racing. As the title says,this a NEW/Never Seen Fuel HPI 3.0 nitro engine. Comes with a NIP air filter and in it's original box. As the pics show,the pull start is missing. Nice/cheap replacement for your RS4,T-Maxx, RC10GT or others that use the rotary carb and side exhaust combo. Asking $60 shipped CON US ONLY. Or make a reasonable offer Would like to sell quick!