Valvoline Premium Blue GEO LA-ES is a superior low ash engine oil recommended for use in stationary high output, turbocharged, spark ignited natural gas engines. It is formulated with premium quality paraffinic base stocks and additive components to provide outstanding extended drain capability in natural gas fueled engines. The ash content of the oil is optuimized to reduce spark plug fouling and forming of combusin chamber ""hot-spots"" that can lead to valve guttering, pre-ignition and knock.
