Liqui Moly 4T Synthetic Tech 15W-50 Offroad Engine Oil 4LHigh performance motor oil based on synthetic technology. Ensures maximum performance and protection of the engine under all operating conditions. Optimum lubrication, outstanding engine cleanliness, excellent friction values and minimum wear are just as much par for the course as gentle clutch engagement and disengagement and gear shifting. Tested on engines with catalytic converters. Specially developed for air and water cooled 4 stroke engines