Reverse, (Non-Rubicon) High Pinion
4.88 Nitro Ring & Pinion
for Dana 30JK


2007-2018 Newer Jeep JK


Vehicle Applications:

2007-2017 Jeep JK Non-Rubicon
2007-2012 Dodge Nitro KA
2008-2012 Jeep Liberty KK

Differential: Dana Model 30-JK Rev.
Gear Ratio: 4.88
Tooth Count: 39/8
Pinion Splines: 24
Ring Gear Bolts: 3/8", 10 (not included)
Manufacturer: Nitro Gear & Axle
Warranty: 2 Years


Nitro gears are manufactured from 8620 steel gear forgings in the same manufacturing facilities as GM, Dodge, Ford & Toyota. They are precision machined using computer controlled processes, heat treated, CNC triple-lapped and Rockwell tested for hardness. These extra steps ensure excellent fitment, ideal contact pattern and smooth, quiet operation.


Nitro Gear and Axle Premium Differential Ring and Pinion Gears, Axles and parts


SKU D30JK-488-NG
Model # D30JK-488-NG
Barcode # 9319478673816
Brand Nitro Gear
Shipping Weight 4.8300kg
Shipping Width 0.280m
Shipping Height 0.140m
Shipping Length 0.155m