LUBEMAXX ENGINE FLUSH PLUS is an engine oil-system cleaning additive formulated to help loosen and remove sludge, varnish and deposits from the internal oil circuit before an oil change. Its base-oil, dispersant and ester-containing formulation is designed to circulate through the oil system and assist in suspending loosened contaminants for removal with the used oil. Designed for use as a pre-oil-change cleaner in gasoline and diesel engines where an engine flush is