Chrysler 8.75" 489 Drop-Out Housing 4.10 Nitro Ring & Pinion
CHY 8.75", 489
Ring Gear Bolts:
12 (not included)
Nitro Gear & Axle
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.