Nitro Gear and Axle strives to provide the highest quality differential components available. We take the steps necessary to ensure our parts are dependable. Our product range is continually growing to meet the needs of consumers for new ratios and applications. At Nitro we know differentials, and know what it takes to provide you with high quality components. 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.
Details:

• Nitro Ring and Pinion Set
• Differential: Toyota 8 Inch Reverse, Clamshell IFS
• Location: Front
• Rotation: Reverse
• Gear Ratio: 4.88 Thick Gear (Fits 3.73 and Down Case)
• Tooth Count: 39/8
• Material: 8620 Steel
• Pinion Spline: 29
• Ring Gear Bolts: 10 (Not Included)
• Manufacturer: Nitro Gear and Axle
• Warranty: 2 Years
• Sold As A Set

Tech Note:

• Thick ring and pinion fits 3.73 and Down carrier: ARB 121

Fits Vehicles:

• 2003-2014 Toyota 4Runner
• 2007-2014 Toyota FJ Cruiser
• 2005-Present Toyota Tacoma