PEAK SYNGEAR ULTRA 75W140 is a full synthetic gear oil meeting API GL-5 specially formulated for automotive light-duty, heavy-duty axles, and heavy-duty non-synchronized transmissions.
PEAK SYNGEAR ULTRA 75W140 is recommended for high-performance heavy-duty applications including vehicles with limited slip differential.
PEAK SYNGEAR ULTRA 75W140 is also suitable where an SAE 140, 80W140, and 85W140 hypoid gear oil is recommended.