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Nitro Gear and Axle

'96-02 Toyota 4Runner Front and Rear Gear Package Kit

  • VENDOR: Nitro Gear and Axle
  • PART#: GPTOY1-5.29
  • YOUR PRICE: Regular price $981.75
REM treatment results in a smoother surface. The end result is less friction, less heat, and less wear. Any machined part has high and low areas left over from machining, grinding, etc. Those high spots become the initial contact points which in turn can become localized hot spots. Those localized hot spots can take the temper out of the heat treated area of the surface and then become a pit. REM reduces that possibility.

Other benefits include elimination of stress risers on the edge of parts and less friction on any metal on metal surfaces.

Customizations Total: $0.00


Nitro Gear and Axle's complete gear kit is designed to improve performance and fuel economy for the 1996-2002 Toyota 4Runner.

It's a common misconception that gear changes are reserved only to hardcore off-roaders or trucks with huge tires. However, re-gearing is one of the single most beneficial modifications you can make to keep the performance, economy, and durability of your daily-driven 4x4. This is a mod for anyone with larger tires, increased weight, or for increased performance on stock vehicles for towing or increased acceleration.


  • 1996-2002 Toyota 4Runner with or without Factory Rear E-locker


  • Front Differential: Toyota 7.5" Rev. IFS
  • Rear Differential: Toyota 8"
  • Gear Ratio: 4.56, 4.88 or 5.29


  • Manufactured in South Korea
  • 8620 Steel Gear Forgings
  • Precision Machining
  • CNC Triple-lapping
  • Heat Treatment
  • Rockwell Hardness Tested


  • Nitro front ring & pinion
  • Nitro front Master Install Kit
  • Nitro rear ring & pinion
  • Nitro rear Master Install Kit
  • Front pinion pre-load solid spacer
  • Rear pinion pre-load solid spacer
  • Front Yoke
  • Carrier bearing for Fits without factory E-locker