Microlon works by reducing friction inside of your engine and helps it to operate more efficiently. An engine that has been Microlon-treated will save you real dollars by reducing wear and tear, increasing fuel economy, and cutting down on trips to the shop for unscheduled maintenance. An engine that operates more efficiently will feel more powerful. Since Microlon is a one-time treatment, you can enjoy the benefits of a smoother, more powerful vehicle from this one-time investment.