Red Line 11305 10W30 Motor Oil, 1 Gallon, 1 Pack All-weather viscosity grade for passenger cars and light trucks Popular in crate engines and high-performance V-8 engines Improved fuel economy and ring seal for more power Thicker oil film at operating temperature than a petroleum 10W40 Recommended for API SN/SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4