SYNTHETIC BLEND 4-CYCLE INBOARD/STERNDRIVE ENGINE OIL (SIERRA) 1 55 Gallon 25W40

• Superior corrosion protection


• Advanced lubrication for reduction of wear to internal engine components


• Removes thermal breakdown under high RPM's, extreme temperatures and loads


• Extensively tested for outstanding performance

This 4-cycle oil is blended with premium grade synthetic and mineral based stock combined with 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


• Sold in case packs only

Sierra 94407 25W40 FCW Synthetic Blend I/O Oil, 55 Gal. Drum