Listing is for one (1) quart. Specifically formulated with a higher concentration marine additive package to meet the needs of: High-horsepower outboard including direct fuel-injected engines in extreme marine operating conditions. Far exceeds Mercury in-house test standards, which are more stringent than the industry's TC-W3 standard. Cleanest burning - reduces carbon build-up in exhaust system. Superior lubrication. Meets all outboard and personal watercraft manufacturers' recommendations for use of TC-W2 and TC-W3 oils in pre-mix or oil-injected 2-cycle applications. Provides warranty protection for Mercury, Mariner, Force and Sport Jet and M2 Jet Drive 2-cycle engines.