Sumo Spec R Full Synthetic Oil 10W-60 SM/CF is the best synthetic motor oil for racing. It is made on special completely synthetic hydrocarbon base oils – polyalphaolefines. It is alloyed with a special additive packages It has multigrade application for gasoline gas, and diesel engines. It is ideal for modern multi-valve engines with turbo including those with intermediate cooling system. It is particularly recommended for engines of racing and sports cars. Maximum power, break-down dynamics, and the durability at extreme loads and speed are always on a high level due to the patented formula of the special modern additives, which is a part of the composition of the Sumo Spec R Full Synthetic Oil. The use of the special additives is acknowledged to be a groundbreaking direction is saving energy and resources.