Hall sensor, ignition, Bearings, compression are all excellent. Comes with what you see. We sell the new Stinger line also.. We will give you a trade in value on any make gas.SEE MORE IN OUR STORE. The item "RCGF 30cc Twin gas engine" is in sale since Monday, December 14, 2020. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Engine, Exhaust & Fuel Systems\Gas/Nitro Engines". The seller is "stsguy" and is located in Spring, Texas. This item can be shipped to United States, Canada, Bahamas, Uruguay.