Penray 6632 Synthetic HD DOT 4 Plus Brake Fluid - 32-Ounce Bottle contains a specially compounded preparation that has been designed solely for use in motor vehicle braking systems - in particular, European and American-made vehicles. It offers the ideal formulation for adverse conditions, for use in performance vehicles, temperature extremes and high altitudes. It is compatible with and exceeds DOT 4 and DOT 3 requirements. It provides corrosion protection and is a premium fluid engineered for extra protection in high performance applications. It offers a Dry Boiling Point that Exceeds 480-Degrees F and a Wet Boiling Point that exceeds 325-Degrees F. It features a Viscosity measured at -40-Degrees F less than 750 cSt and meets both Federal Motor Vehicle Safety Standard (FMVSS) No. 1167 and SAE J-1704. For 65 years Penray has helped customers solve problems and increase profits with innovative chemistry focused on automotive, heavy duty, marine and industrial applications.