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Red Line MTL 75W‑80 GL‑4 gear oil (quart) is a synchromesh gear fluid suitable for many modern and legacy manual transmissions, including BMW, Honda/Acura and certain Mini and Land Rover gearboxes. It meets GL‑1/GL‑3/GL‑4 specifications, replaces older synchromesh fluids, and stays safe for brass synchros by avoiding reactive sulfurs. The formulation promotes quicker, smoother shifts and helps extend synchronizer life while protecting gears.
Red Line MTL 75W80 GL-4 - Quart
