Description Product OverviewHarvest King Conventional 10W-40 Motor Oil is designed for high viscosity applications, offering reliable protection and performance. Formulated with highly refined base oils and a carefully selected additive package, it provides superior defense against wear, rust, corrosion, oxidative thickening, acid formation, sludge, and varnish deposits. Meets API Service Categories SL, SJ, and SH, and delivers improved fuel economy and enhanced engine cleanliness.Product FeaturesImproved fuel economyIncreased sludge protectionEnhanced piston cleanlinessIncreased emission protectionILSAC GF-5 Resource Conserving formula