Maxum4 Break In Oil Unsurpassed protection during engine break-in. Oil specifically designed for breaking in engines with flat tappet camshafts, roller elements or where elevated levels of anti-wear additives are needed. Advanced technology provides optimum ring seal. Formulated with high levels of zinc, phosphorous and sulfur in a highly refined mineral base oil; complex zinc structure activates at lower temperatures and offers more protection at elevated temperatures.
