Full synthetic, ester-fortified 4-stroke engine oil specifically formulated for snowmobiles and work/utility machines operating in cold climate extremes. Provides excellent film thickness and viscosity stability across all operating temperatures. Offers excellent cold-weather starting and post-startup protection. Advanced, proprietary additive system increases power output while keeping your engine running clean, trouble-free and extending the life of the machine. Exceeds the requirements of API SN PLUS / JASO MA2.