Formulated to provided excellent lubrication and corrosion protection. Developed for the marine environment and outperforms automotive engine oils with excellent detergency, anti-oxidants, anti-wear, and corrosion protection. This results in reduced internal component wear and corrosion, cleaner pistons, and prevention of ring sticking. Excellent low temperature operating properties. Meets or exceeds quality performance API SJ, CF-4, CH-4 and is NMMA FC-W certified. Recommended for use in Mercruiser and OMC.. Sold in case packs only.