The Motul 75W90 Gear 300 Gear Oil is a 100% synthetic lubricant for all mechanical transmission of high performances and racing cars. For synchronized or not synchronized gearboxes, gearbox/differential, transfer gearboxes, and hypoid differentials without a limited-slip system operating under shocks, heavy loads, and low revolution speed or moderate loads and high revolution speed. 0% shear loss: Unshearable oil film in extreme conditions. Very high lubricating power which decreases friction and wears. 90 grade at hot temperature to provide outstanding oil film resistance at hot temperature and/or to reduce transmission noise. Fluid at low temperatures to allow comfortable gear shifting.