Marine Full Syn 10W-40 is a premium, full synthetic NMMA (National Marine Manufacturers Association) FC-W, licensed and registered marine petrol engine oil. It contains a FULL ZINC anti-wear additive package combined with specialised rust inhibitors to provide optimum engine protection in marine and salt water environments.
Marine Full Syn 10W-40 is designed for use in all types of petrol four use in stroke engines where SAE 10W-40 and SAE 10W-30 oils are specified by the manufacturer.