Full-synthetic with PAO and Ester base stocks and 2200 ppm of ZDDP for antiwear Details: Sold as 1 Quart Designed for the latest Big-Twin motorcycle engines that specify 20W50 motor oil, including Evolution, Twin Cam and aftermarket engines of similar design Superior film strength through the use of ester base stocks for protection and ring seal Extended drain intervals over other brands due to higher quality base stocks and excellent dispersants Blended with specific friction modifiers that are compatible with wet-clutches, suitable for JASO MA applications Milwaukee-Eight and 2007-up H-D motorcycles with the 96-inch engine, users must purchase one extra bottle of Primary Chain Case Oil to meet this engine's 38oz (45oz dry capacity), rather than the 32oz capacity of an Evolution or V-Twin case. API Service Class SJ/SG/SH JASO MA SAE Viscosity Grade (Motor Oil) 20W50 Vis at 100 percent C, CSt 20.1 Vis at 40 percent C, CSt 141 Viscosity Index 165 CCS Viscosity, Poise, at percent C 50 at neg 15 Pour Point, percent C neg 45 Pour Point, percent F neg 49 Zinc, Avg PPM 2125 Phosphorus, Avg PPM 2100 Molybdenum, Avg PPM 425 NOACK Evaporation Loss,1hr at 482 percent F (250 percent C), percent 5 Percent Viscosity Loss, 30 Pass ASTM D6278 0 HTHS Vis, CP at 150 percent C, ASTM D4741 6.1