Mystik, 10 oz, jt4 premium high performance lower unit gear lubricant, formulated specifically for the marine industry, contains the latest generation of a proprietary ep additive system designed to provide maximum protection against wear, rust, corrosion, & deposits, recommended for use in all outboard & stern drive gear units specifying sae 90, 80w90 or 85w90, including omc type c, includes mercruiser, omc cobra, volvo stern drives, & mercury, evinrude, johnson, mariner, yamaha, suzuki & force outboards, tube.