SUPER ENGINE FLUSH Internal engine cleaner Usage : Open engine cap, fill bottle content into engine before oil change and circulate by turning engine on idle for about 10 minutes, open drain stopper and discard oil+cleaner, close drainage and fill in new engine oil. -Dissolves dirt inside engine due to oxidation, gum, sludge (dirt accumulation), varnish, and lacquer. Keeps internal engine clean, longer lasting new oil with maximum lubrication. - Mixed well with engine oils. Non-corrosive, safe for all types of metal. Suitable for use in gasoline or diesel engines every 6-10 months or 4-6x oil change. for any inquiries, please email us at: idsales@jcprimo.com Website : www.jcprimo.com