Yamalube SAE 0W-40 full synthetic engine oil delivers shear stability, maximum lubrication and high thermal resistance gives you the very best protection during the harsh extremes of high performance riding and racing applications. Designed to deliver the best possible performance for all four-stroke snowmobiles. Exclusively formulated with the highest quality of full-synthetic base oils.Ester fortified for superior performance and protection in harsh, cold weather environments for snowmobile.Easy start-ups in extreme cold weather with advanced lubrication and performance down to -60 degrees Fahrenheit.Advanced friction protection and detergency.Factory-approved, purpose-built for motorsports products.Includes: four quarts 0W-40 full synthetic engine oil, OEM oil filter, gasket/oring, funnel, and pair of nitrile gloves