10W-30 Full Synthetic Marine Engine Oil

Quicksilver Full Synthetic 4-Stroke Marine Engine Oil is for use in non-catalyzed 4-stroke outboard, sterndrive and inboard engines. Quicksilver 10W-30 Full Synthetic features a specialized additive package with elements that protect hard-working marine engines. It protects internal engine surfaces from deposit buildup, neutralizes harmful byproducts of fuel combustion and provides industry leading defense against rust during intermittent engine use. It exceeds NMMA® FC-W® standards for non-catalyzed outboard, sterndrive and inboard engines.