A mineral based ashless dispersant multigrade oil for aviation piston engines. FAA approved and compatible with all other approved aviaiton piston engine oils. Multigrade formula provides easier starting and quick lubrication at low temperatures. Meets requirements of Avco Lycoming Mat. Spec. 301G, Pratt & Witney SB 1183 Rev. U, SAE Standard J1899, Teledyne Continental MHS-24B and U.S. Mil-L-22851D ***** Recommended for Cub Crafters Sport Cub and Carbon Cub for the life of the engine. *****