Vintage Millerol is a non-detergent monograde mineral engine oil. It is specifically engineered for vintage cars with a strainer or basic filtration systems. It is formulated with ZDDP (zinc/phosphorus). Specially formulated to protect vintage engines Provides anti-scuff performance Resistant to oil oxidation and bearing corrosion Use as received in vintage vehicles when a non-detergent/dispersant oil is called for. Can be used in gearbox applications where a GL1 oil is specified. Available in SAE viscosity grades 30, 40 and 50.