Formulated with an exclusive additive package not found in other brands. Provides more power by sealing the piston rings, improves compression, fights fuel dilution, extends oil drain intervals and provides excellent film strength over a wider temperature range. These oils are designed for both engine and wet clutch applications and are not friction modified to provide the highest performance. Designed to meet or exceed performance requirements of today's 4-stroke motorcycles and ATVs, API SM/SL/SH/SG, JASO MA/MA2 and ACEA A3. Non-moly 10W-40 is semi-synthetic.