4-Stroke Full Synthetic Oil 5W-30 - 32floz.

For use in all 4 Stroke Marine Engines New formula 4Stroke oils are engineering approved for all marine 4Stroke applications, including: Outboard, MerCruiser, High Performance, Stern Drive/Inboard, and exceeds all Marine industry 4Stroke oil requirements. Flagship Engine and Corrosion Protection  Industry leading strength and viscosity retention and ultimate corrosion and wear protection The most recommended Marine Oil  Over 5 years of engineering and development by the largest marine engine manufacturer in the world.