Red Line® 10W40 Motor Oil is popular for medium and heavy-duty gasoline engines in light trucks. 10W40 Motor Oil is the best choice for high-performance engines that see street/strip or track activity, also great for engines with high oil temperatures. Red Line® 10W40 Motor Oil has a thicker oil film at operating temperature than a petroleum 20W50. Recommended for API SN/SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4. Sold in quarts.
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