A top-tier, NMMA® FC-W®-certified oil, 4M provides maximum rust and corrosion protection and cooler temperatures in advanced, four stroke outboard engines operating at varying loads, in a range of marine conditions. Boat owners wanting the best protection for their four stroke outboards should look no further.
- Superior rust and corrosion additives that keep the engine safe in the harshest of environments
- Best blend of anti-foam technology available
- High shear stability