Changing gears in a car is a fundamental part of driving. Constantly going back and forth, it is important to ensure the gearbox is well lubricated to prevent extensive, costly damage being created. Slick 50 was established in 1978 and has continued to protect vital vehicle parts from friction & wear. From engine treatments to fuel system cleaners, Slick 50 products are formulated with superior chemistry to ensure they clean, protect and optimize performance of critical systems.