Quicksilver's all-new 4-Stroke oil technology outperforms automotive oils in marine applications because of its specialized additive package design for marine engines. The NEW mineral 4-Stroke oil is also now approved for use in all outboard engines; previously only our synthetic blend could make this claim.
- For use in all 4-Stroke Marine Engines - New formula 4-Stroke oils are engineering approved for use in certain marine 4-Stroke outboard applications and exceed all Marine industry 4-Stroke oil requirements including FC-W and FC-W Catalyst Compatible. In addition, all 10W30 & 25W40 oils are now fully FC-W Catalyst Compatible.
- 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.