High-performance, non-synthetic 85W-140 gear oil for 9-inch differential assemblies provides the maximum shear stability and extreme-pressure protection required to extend the life of your Currie rear end.
Oil Capacities
The following are estimations of oil capacities for your new 9-inch and Currie® axle assemblies. Extreme pinion angles may drastically change the unit’s capacity.
Currie 9-inch ....................................3 qts.
Currie F9 3 or 3.25 in. tube.................4 qts.
Currie F9 3.5, 4 or 4.5 in. tube............5 qts.
Currie Independent Center .................2 qts.
If you have a clutch-type limited-slip differential, a friction modifier additive must be used in addition to this oil.
Link to Torque Specifications
ALTERNATIVE GEAR OILS THAT ARE PROVEN TO WORK IN 9-INCH REARENDS
Torco - RGO 85w-140