Redline manufactures oil and other high performance fluids. Motor oil, gear oil, differential oil, and transmission fluid are some of the oils they produce, along with engine assembly lube, fuel additives, coolant additives, and bearing grease. Redline’s lubricants were designed for the racing industry and are some of the best performing and protecting fluids on the market. Redline fluids are all ester based and not petroleum based which creates the best high temperature stability money can buy.