Redline 11404 10W40 Motor Oil, 12 Quarts

Designed for improved fuel economy and ring seal for more power Features a thicker oil film at operating temperature than a petroleum 20W50 It is completely compatible with other conventional and synthetic motor oils A high natural viscosity index (VI) provides thicker oil film in bearings and cam The superior high temperature stability and oxidation resistance increases lubrication of hot metal compared to other syntheticsYou may also like Red Line 15204 5W-20 Synthetic Oil, 1 Quart, Pack of 12.