Liqui Moly 4T Synthetic 10W-40 Street Race Engine Oil 4LFully synthetic high performance motor oil. For maximum performance and outstanding engine protection under all operating conditions. Offers perfect lubrication, outstanding engine cleanliness, excellent friction and minimum wear. Ensures smooth engagement and disengagement as well as gear shifting, which significantly increases driving pleasure. Tested for use with catalytic converters and on racing machines. Developed for air and water cooled 4