LUCAS OIL SYNTHETIC BLEND 2-CYCLE MARINE OIL - (6) 1 QT. BOTTLES•Minimizes spark plug fouling pre-ignition & ring sticking •Fortified with unique Lucas additives •Specifically formulated for water cooled 2-cycle outboards & personal watercrafts •Mix ratio is 50:1 & is recommended for use in pre-mix or direct injection systems •NMMA TC-W3 certified