Toyota 10.5" 4.88 Ratio, Nitro Ring & Pinion

Differential: Toyota 10.5" Gear Ratio: 4.88 Tooth Count: 39/8 Ring Gear Bolts: 12 (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.