SHIRINDA 50 SAE 25 is recommended for All 2-stroke engines, including the latest generation of crosshead engines, running on ultra low sulfur ECA compliant fuels. SHIRINDA 50 SAE 25 is a highly reliable low alkaline lubricant specifically designed for slow speed 2-stroke engines running on distillate fuels . Specially formulated to ensure reliable operations with ECA compliant ultra low sulfur fuels & protected against deposit formation which can lead to scuffing issues , deposit control with up to 0.1% sulfur content.