Mineral Oil Based Engine Oils Products | Automotive | Mineral Oil Based Engine Oils OPTIGUARD 10W (M306) OPTIGUARD 20W (M394) OPTIGUARD 30 (M305) OPTIGUARD 40 (M304) OPTIGUARD 50 (M303) OPTIGUARD 15W-40 (M099) OPTIGUARD 10W-30 (M111) OPTIGUARD 10W-40 (M102) OPTIGUARD 20W-50 (M166) TAURUS 10W (M049) TAURUS 30 (M048) TAURUS 40 (M050) VICTORY 10 (M012) VICTORY 20 (M013) VICTORY 30 (M014) VICTORY 40 (M018) VICTORY 50 (M019) VICTORY 15W-40 (M016) CLASSIC 10W (M006) CLASSIC 20W (M007) CLASSIC 30 (M008) CLASSIC 40 (M009) CLASSIC 50 (M010) CLASSIC 15W-40 (M004) CLASSIC 20W-50 (M005) VINTAGE 30 (M123) VINTAGE 40 (M141) VINTAGE 50 (M142)