G-FORCE engine heater will pre-heat all the critical parts of your nitro engine, giving you a minimal of stress and wear on the engine. It help relieve the stress on the crank, con-rod, piston and sleeve during warm-up. It also give you a very easy and smooth engine start, with no stress on your starterbox. Fuel consumption is much less, as you do not have to spend time warming up and adjusting your engine. A pre-heatet glow-plug will increase the life of your plug. It is also perfect for break-in, as it reduces the "pinch" on your new engine. You will experience that engine pre-heating is a must. Most importantly, it will quickly pay for itself by increasing engine life and performance!