Reverse High Pinion 4.56 Nitro Ring and Pinion for Dana Super 60. Nitro gears are manufactured from 8620 steel gear forgings in the same manufacturing facilities as GM, Dodge, Ford and 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.

Fits:

• 1978-1979 Ford F250 F350 Snowfighter and Super Cab
• 1985-1998 Ford F350 Pickup
• 1999-2001 Ford F350 Superduty DRW Dually
• 2002-2016 Ford F250 and F350 Superduty SRW and DRW
• 1999-2016 Ford F450 and F550 Superduty
• Teraflex Tera 60 and CRD60
• Dynatrac Pro Rock 60
• Currie Rock Jock 60
• Rockcrusher 60R
• Solid Axle Ind. 60

Details:

• Differential: Dana Super 60 Rev
• Gear Ratio: 4.56 Thick
• Tooth Count: 32/7
• Pinion Splines: 29
• Ring Gear Bolts: 12 (not included)
• Manufacturer: Nitro Gear and Axle
• Warranty: 2 Years

Fits:
4.10 and down case