Red Line 75W140 GL-5 Gear Oil - 1 Quart H753C2457 #1791 is factory preset to

#1791 is factory preset to 6

1995-2002 Lincoln Continental

2009-2013 Chevrolet Express 4500

face shield washers

threaded adjusters

Red Line 75W140 GL-5 Gear Oil - 1 Quart H753C2457 #1791 is factory preset toThese products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as friction modifiers for proper limited slip operation About Red Line Gear Oil for Differentials: Fully synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions High viscosity index (VI) to provide relatively constant viscosity and film thickness with varying temperature