High ether formula! Fast starts to -65 degrees F below zero. Professional quality. For gasoline & diesel automotive, truck & small engines. Superior upper cylinder lubricant & rust inhibitor. High ether formula starts engines quickly and easily even at temperatures up to -65 degrees F below zero! Helps prolong battery life and reduces engine wear. Contains a superior upper cylinder lubricant and rust inhibitor. Safe for use in all engines: cars, trucks, tractors, motorcycles, boats, mowers, snowmobiles, snowblowers - all two or four cycle engines. This diesel fuel additive complies with federal low sulfur content requirements for use in diesel motor vehicles and nonroad engines. Made in USA.