Description
SIERRA 25W40 Syn Blend Oil 55-Gal – 18-9440-7.
4-cycle oil blended with premium grade synthetic and mineral based stock
Superior designed additives formulated for the stress endured by sterndrive and inboard engines
Superior corrosion protection
Advanced lubrication for reduction of wear to internal engine components
Outstanding friction reduction and wear protection
Removes thermal breakdown under high RPM’s, extreme temperatures and loads
Extensively tested for outstanding performance
NMMA FC-W Certified/API-S
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