PEAK SYNGEAR ULTRA 75W90 is a full synthetic gear oil meeting API GL-5 specially formulated for use in automotive, light-duty, and heavy-duty axles, and heavy-duty non-synchronized transmissions.
PEAK SYNGEAR ULTRA 75W90 is recommended for ZF transmissions and axles, Eaton Roadranger, Renault, IVECO, DAF, Arvin Meritor, Dana, Mack, and many more