XPS 0W-20 Extreme Cold synthetic oil for snowmobile 4-stroke engines is developed for easier starting in the most frigid, harshest winter climates. EXTREME COLD engine oil is state-of-the-art, developed for easier cold starts in the most frigid, harshest winter climates. The custom formula promotes fast oil flow from the sump to critical engine components to ease starting. Protects 4-stroke snowmobiles, ATVs and power equipment from cold start engine wear. Ambient temperature operating range: -76°F / 77°F (-60°C / 25°). 779146 - 1 US gal. / 3.785 L Other format available: 779145 - 1 QT / 0.946 L