Sierra Marine FC-W synthetic blend engine oil is a 4-cycle oil blended with premium grade synthetic and mineral based stock. It is combined with superior-designed additives formulated for the stress endured by stern drive and inboard engines. Marine engines require routine maintenance, and changing of engine oil is critical to maintaining and extending their useful life. Choose the protection of Sierra Marine FC-W synthetic blend engine oil.

Features include:

• Superior corrosion protection
• Advanced lubrication for reduction of wear to internal engine components
• Outstanding friction reduction and wear protection
• Removes thermal breakdown under high rpms, extreme temperatures, and loads
• Extensively tested for outstanding performance