Red line Lightweight Shockproof is a unique gear oil designed to lubricate dog engagement racing transmissions and transaxles which operate under moderate loads. It gives the high protection and film strength greater than a 75W140 oil yet has the low fluidity of an 80W oil which releases more power and makes gear changes easier, even when cold.Ideal for rally car dog boxes and Hewland transaxles in race carsExcellent low temperature fluidity provides improved cold shiftingProvides the protection of a 75w140 oil but with the low drag of an 80w oilCushions gear teeth under extreme pressure and helps prevent teeth breakageLightweight shockproof is recommended for dog engagement transmissions and is ideal for use in rally cars and Hewland gear boxes.Technical Data Sheet