New formulation, new viscosity. Synthetic high-performance 4-Stroke engine oil for boxer engines. Developed in cooperation with AC Schnitzer for particularly good thermal and shear stability for air/oil cooled engines. Reduces oil consumption. Catalytic converter tested.. JASO MA 903:2011/API SN, SL, SJ. Synthetic, 15W50, 5.3 gal., Bag in a Box