Manufacturer's Description: Motul Break-In Oil 10W-40 is a high-performance conventional lubricant specially formulated for running-in all types of 4-stroke engines in both automotive and powersports applications, whether it's a standard rebuilt engine or for racing purposes. Its high ZDDP fortified formula provides fast and safe mating of piston rings and cylinder liners while providing supreme protection for high-lift camshafts and flat-tappets.