Quicksilver Sterndrive and Inboard 4-Cycle Engine Oil has been specifically formulated to meet the needs of high-output sterndrive and inboard engines.
Quicksilver Sterndrive and Inboard 4-Cycle Engine Oil is a multi-viscosity 25W-40 oil
Formulated to eliminate thermal breakdown (no viscosity improvers necessary) under extreme temperatures and loads
Field-tested and proven in gas and diesel applications
Provides lubrication and protection of internal components from corrosion, wear, scuffing and scoring even in higher temperature engines
Meets and exceeds API service requirements for SJ, CF-2, CH-4 with a multi-functional additive that assures Marine Grade oil performance
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