TRIAX Marine Ultra 25W-40 Full Synthetic 4-Stroke Engine Oil For FC-W, API SM &

• Engineered for 4-Stroke Gasoline Marine Engines requiring NMMA FC-W, API SM, and JASO MA specifications - Sterndrives, inboards, inboard/outboards, 4-stroke outboards - supercharged and conventional. Use in both supercharged and conventional engines.
• For all major Marine OEMs: Including Mercury, MerCruiser, Yamaha, Honda, Suzuki, Tohatsu, Nissan, Volvo Penta, BRP, Johnson/Evinrude, OMC, and many other high performance engines.
• EXCEPTIONAL CORROSION PROTECTION: Salt and Fresh Water Corrosion Protection: Top-tier anti-corrosion additive package protects internal engine parts in both salt and fresh water operation. Ideal for Layup and Storage: Exceptional oxidation stability and corrosion-prevention chemistry protect engines through winterization and extended storage.
• SUPERIOR PERFORMANCE: Friction Modified Full Synthetic: Improved film strength and durability under high torque, reduced wear on critical parts, and better fuel economy. Helps revitalize older 4-stroke engines.
• Built for High RPM and Heavy Loads: Excellent stability and viscosity control resist oil thinning and metal-to-metal contact in high-output engines running long hours.