Permatex - Dielectric Tune-Up Grease - 3 oz. - 22058Permatex Dielectric Tune Up Grease 3 oz. 22058 Permatex Dielectric Tune Up Grease protects electrical connections and wiring from salt, dirt and corrosion. Dielectric Tune Up extends the life of bulb sockets and prevents voltage leakage around any electrical connection. Also prevents spark plugs from fusing to boots. Use Dielectric Tune Up for modern high energy ignition systems. Features: Size 3 oz. Protects electrical connections and wiring from