PETRONAS Disrol 300 Series are high performance trunk piston oil specially developed for highly rated medium-speed diesel engines burning up to 3,0% sulfur fuels. Formulated with high quality selected mineral base oils enhanced with anti-wear, detergent/dispersant, anti-oxidant, anti-rust and anti-foam additives, PETRONAS Disrol 300 oils provide excellent engine cleanliness, especially in the crankcase, camshaft and valve train areas. Also provides excellent thermal and oxidation stability with very good corrosion protection. PETRONAS Disrol 300 Series meet or exceed key OEM requirements.