MARINE PRODUCTS Motor Oil » Royal Purple® Motor Oil is specially formulated multi-viscosity and straight grades for use in gasoline and diesel engines of all types - from cars and trucks to SUVs, motorcycles and boats. API / ILSAC Certified. Synthetic Gear Oil » Max-Gear® is formulated to improve the efficiency of rear end assemblies and manual transmissions. Virtually eliminates both gear and bearing wear. API GL-4 / GL-5 Certified. |

