Prolube Oil Treatment is made with a highly-concentrated blend of lubricating oils that can be safely used in all types of gas & diesel engines. Eliminates cold start issues especially with HEUI injector misfires in 6.0L & 7.3L Power Strokes. Use to extend engine life, protect from excessive wear, reduce oil consumption, prevent oil breakdown, lower oil temperatures, raise oil pressure and increase MPG. Blends with all types of conventional and synthetic motor oils.