Kendall GT-1 Endurance 5w-30 w/Ti - 12/1 qt. Case Kendall GT-1 High Mileage Synthetic Blend 5w-30 w/Ti is a Synthetic Blend Motor Oil with Liquid Titanium protection additive. A premium quality, part-synthetic engine oil. Specially designed for use in gasoline-fueled vehicles with more than 75,000 miles. Kendall GT-1 High Mileage 5w-30 w/Ti also is recommended for use in lower-mileage vehicles and new cars under warranty. Extra protection against engine wear and improved fuel savings.