SPECIFICATIONS: NMMA FC-W Catalyst Compatible, NMMA FC-W Meets the quality level of: API SM
EKO MARINE 4T TECH 10W-40 is high-quality semi-synthetic lubricant for four-stroke inboard, outboard and sterndrive (inboard/outboard) gasoline engines of leisure boats. It is highly recommended for inboard and sterndrive (inboard/outboard) gasoline engines equipped with catalytic converters. EKO MARINE 4T TECH 10W-30 provides excellent protection against wear, oxidation and corrosion in marine environment.