Reinforced rear ring and pinion for Jeep Wrangler YJ produced from 1987 to 1996.
Made in the U.S. by the well-known Motive Gear company, which for years has been producing components for the transmissions of American vehicles and Ultra4 vehicles, is made of SAE8620 steel with the Gleason process.
Thermally hardened to resist wear, it is surface treated with black oxidation to make it extremely silent.
Even if the high construction precision makes the registration particularly simple, it is still advisable to have the installation carried out by a specialized workshop. In the Download section you will find assembly instructions.
The main installation features are the following:
- differential case design type: Dana 35/Dana 44
- ring gear bolt quantity: 10
- rotation type: standard
From the drop-down menu select the desired ring and pinion ratio.
Specifications for 4.09 ratio:
- pinion gear tooth 11
- pinion spline 26
- ring gear tooth 45
it can be installed both at the front and at the rear.
Specification for 4.56 ratio:
- pinion gear tooth 9
- pinion spline 26
- ring gear tooth 41
Specifications for 4.88 ratio:
- pinion gear tooth 8
- pinion spline 26
- ring gear tooth 39
IMPORTANT. The replacement of a bevel gear is a job that requires professionalism, an installer can only perform it with suitable equipment and with the proper knowledge of its calibration. Incorrect assembly causes breakage or premature wear of the same.
