Ester based full synthetic 4-stroke off-road racing engine oil Advanced surface chemistry provides vital protection to pistons, cams and bearings even during cold start, prior to lubricant flowing Excellent thermal and shear stability give stay-in-grade performance High film strength reduces friction and transmission wear Improves clutch "feel" and reduces wear even with aluminum plates Meets or exceeds API-SF and SG standards Motorcycle 4T JASO-MA certified