Red Line 57905 75w90 Gear Oil - Gallon Contains additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E, SAE J2360, and Chrysler spec MS-9763 Suitable replacement for a differential calling for an 80W90 or SAE 90 gear oil. Fully-synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions Most popular Red Line gear oil, with thousands of applications for passenger cars, light trucks, and racing vehicles