XADO Pre-Oil Change Engine Cleaner 250ml – Oil System Flush & Ring Decarbonizer with Revitalizant® Get More from Every Oil Change Fresh oil poured into a dirty engine is wasted oil. XADO Pre-Oil Change Engine Cleaner (250 ml) solves this by thoroughly purging the oil system before the drain, while Revitalizant® uses the flushing process itself to build a protective anti-wear coating on engine friction surfaces.
