Chemicals & Fluids › Full Synthetic Engine Oil Image 1 of 1 Full Synthetic Engine Oil $11.95 Produced using ultra high grade full synthetic base oilMinimizes oxidation and premature breakdownOffers ZDDP (Zinc Dialkyl Dithiophosphate) to provide premium wear protectionEngineered specifically as a "multi-fill" lubricant for Harley Davidson engines, transmissions and primariesMeets or exceeds all Harley Davidson warranty criteriaMeets or exceeds API CI-4/SL (and earlier, such as SG and SJ) service rating and JASO MA2 standardsSold in quarts (12 per case) and gallons (6 per case) Quantity: Purchase Added! Produced using ultra high grade full synthetic base oilMinimizes oxidation and premature breakdownOffers ZDDP (Zinc Dialkyl Dithiophosphate) to provide premium wear protectionEngineered specifically as a "multi-fill" lubricant for Harley Davidson engines, transmissions and primariesMeets or exceeds all Harley Davidson warranty criteriaMeets or exceeds API CI-4/SL (and earlier, such as SG and SJ) service rating and JASO MA2 standardsSold in quarts (12 per case) and gallons (6 per case)