Description Product OverviewHarvest King Conventional SAE 30 Motor Oil is formulated with highly refined base oils and a carefully selected additive package to deliver maximum protection for high viscosity applications. Designed to combat wear, rust, corrosion, oxidative thickening, acid formation, sludge, and varnish deposits. Meets API SL, SJ, and SH service categories.Product FeaturesImproved fuel economyIncreased sludge protectionEnhanced piston cleanlinessIncreased emission protectionILSAC GF-5 Resource Conserving formula