Quicksilver 92-8M0175781 4-Stroke FC-W Full Synthetic Oil 10W-30, Gallon.

Quicksilver 4-Stroke FC-W Full Synthetic Oil 10W-30, Gallon. For use in non-catalyzed 4-stroke outboards, sterndrives and inboard engines. Delivers the marine industry's highest level of viscosity retention among 10W-30 full synthetic oils to best protect your engine 'super-synthetic' formula that resists thermal breakdown and has high levels of ZDDP additive to prevent engine wear and corrosion U