Introducing Schaeffers 5540 Extreme Marine 4-Stroke Inboard Outboard Full Synthetic Engine Oil. Designed for both work and play, this oil ensures your boat is always ready for when you hit the water. With its 20W-40 formula, you can trust in its reliability and performance.
Features:
- Exceptional rust and corrosion protection for seasonal and year-round use or storage.
- Highly reliable high temperature, high shear performance to provide excellent oil thickness at high RPMs.
- Superior engine protection during extended periods of idling.
- Reduces friction and wear for longer component life.
- Strong oxidation protection.
*Not for sale in California*