The Motive Gear and Axle D44-513RJK Pinion Set is available for the serious off-road enthusiast.  Motive Gear is one of the leaders in gear and pinion technology due to the build quality of their products. Their gear sets are trusted by off-road enthusiasts in a world wide spectrum due to the delivery and performance. 
Here are additional specs of the D44-513RJK set:

•    5.13:1 Ring and pinion ratio
•    26 Pinion spline count
•    Standard ring gear rotation
•    41 Ring gear teeth
•    7.200” Ring gear diameter
•    1.375” Pinion shaft diameter
•    10 Cover bolts
•    10 Ring gear bolts
•    9 Pinion gear teeth