Amsoil introduces a fantastic new product Upper Cylinder Lubricant (UCL). This product insures lubrication in the section of the cylinder that really never sees any amount of oil lubrication and depends on gasoline to provide lubrication.  Ethanol and lead replacement products have made gasoline very dry when it comes to lubrication.  Improving the lubricity of the gasoline will result in increase horsepower and improved fuel economy. Includes the following benefits: