Red Line high performance motor oil is one of the top-of-the-line grade oils, offering the highest quality available on the market today in a wide variety of viscosities.

Red Line's 10w-40 is a high zinc ester based oil popular for medium and heavy-duty gasoline engines, a great choice for high performing engines that see street/strip or track duty.

• Fully-synthetic ester formula for passenger cars, light trucks, performance vehicles and marine applications
• Excellent wear protection and friction reduction across a wide range of operating conditions
• High detergency allows extended drain intervals and provides increased cleanliness
• Improved fuel economy and ring seal for more power
• Superior high temperature stability and oxidation resistance increases lubrication of hot metal compared to other synthetics
• High natural viscosity index (VI) provides thicker oil film in bearings and cams
• Less evaporation than other synthetics for improved efficiency and ring seal
• All products are completely compatible with other conventional and synthetic motor oils
• Part Number: 11404

Sold individually per quart.