Go beyond the basics with Mercury's Premium Winterizing Kit. Designed for boaters who want complete seasonal protection, it adds electrical system care to fuel, engine, and mechanical safeguards.. The Quickstor Fuel Stabilizer (12 oz) prevents fuel degradation for up to a year. Storage Seal Fogging Oil (12 oz) lays down a protective coating inside your engine to resist rust. 2-4-C Marine Grease with PTFE (8 oz) shields moving parts against wear and moisture. Rounding out the kit, Permatex Dielectric Tune-Up Grease (.33 oz) safeguards connectors, spark plugs, and ignition components from salt, moisture, and corrosion.. This four-piece kit is the smart way to protect your entire outboard system-fuel, internal parts, hardware, and electrics.. Quick Highlights:. 4-piece kit for fuel, engine, hardware, and electrical protection. Quickstor Fuel Stabilizer (12 oz) keeps gas fresh up to 12 months. Fogging Oil (12 oz) coats cylinders for rust resistance. 2-4-C Marine Grease (8 oz) protects pivo