25W-40 FC-W Synthetic Blend Oil, 55 Gal

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 Meets or exceeds manufacturers recommended specs. Backed by Sierra’s Limited Lifetime Warranty. 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-SL