Quicksilver 25W40 4-Stroke OilQuicksilver 25W40 4 Stroke Oil Quicksilver 4 stroke 25W40 mineral marine oil is suitable for use in all 4 stroke marine engines including outboard, MerCruiser, high performance and stern drive inboard. The Quicksilver 4 stroke oil technology outperforms automotive oils in marine applications because of its specialised additive package designed for marine engines. Suitable for use in both inboard stern drive and outboard engines Exceeds all marine
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