Red Line's popular gear oil, this is the preferred product in nearly all
car and light truck differentials, both conventional and limited-slip.
75W90 is preferred for most racing applications. It contains friction
modifier which is recommended for limited-slip units. 75W90 Gear Oil can
be used in many transmissions and transaxles; however, other Red Line
lubricants have better frictional properties for rapid synchronization.
Exceeds API GL-5.
Red Line # 57904