Overview: PowerMix is extremely stable for long shelf life, lasting for over 2 years in its sealed container, or for several months in the fuel tank of your R/C vehicle. The PowerMix fuel blend has been thoroughly and specifically tested in the wide array of small 2-stroke giant-scale R/C engine applications and utilizes the highest quality 100% synthetic oil on the market. PowerMix produces tons of power, improves throttle response and provides a smoother, more linear power band vs. pump gas. This results in easier tuning and lower engine temperatures – Not to mention eliminating fuel system failures, downtime and costs relating to problems caused by ethanol. WARNING:: California's Proposition 65