Quicksilver 4-stroke engine oil 25W-40 for inboard engines, boat engine oil, superior corrosion protection

• Quicksilver Four-Stroke Sterndrive and Inboard Oil is an exclusive formula specifically designed for four-stroke marine engines, providing superior lubrication and corrosion protection.
• This unique 25W-40 multiviscosity oil contains no viscosity improvers that could shear and compromise engine protection. A higher concentration of detergents, antioxidants, wear and corrosion inhibitors provides protection far exceeding that of conventional four-stroke automotive oils. With continuous use, it reduces wear, abrasion, and scoring of internal engine components, keeps pistons clean, prevents piston ring binding, and protects engine components from corrosion.
• Meets and exceeds API maintenance requirements for SJ, CF-2, and CH-4 oils. Multifunctional additives ensure optimal performance for marine use and maintain warranty protection for all Mercury® MerCruiser® engines.

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