Kendall GT-1 Euro FS 5w-40 - 12/1 qt. Case Kendall GT-1 Full Synthetic 5w-40 Motor Oil is a premium quality, full-synthetic engine oil. Designed primarily for use in high-performance European vehicles operating under severe driving or extreme-temperature conditions. Kendall GT-1 Full Synthetic 5w-40 Motor Oil also will provide excellent engine protection in normal everyday service. Provides enhanced performance benefits compared with conventional engine oils. Kendall GT-1 Full Synthetic 5w-40 Motor Oil meets or exceeds a wide range of North American and European performance requirements.