Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz. Includes a Formula with Anti-Friction Metal Treatment Technology Features Engineering Designed to Treat Metal Surfaces Through a Molecular and Chemical Process Offers Molecules that Interact with Metal Surfaces and Chemically Bond to Create a Protective Layer that Reduces Damaging Friction and Heat Offers to Treat the Metal Surfaces of Both Standard (Manual) and Automatic Transmissions Features a Formula that Promotes Smoother Manual Shifts and Helps Restore Responsiveness in Automatic Transmissions