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Nitro Gear and Axle

'18-Current Jeep JL Non-Rubicon Manual Transmission Front and Rear Gear Package Kit

  • VENDOR: Nitro Gear and Axle
  • PART#: GPJL-4.10-M220
  • YOUR PRICE: Regular price $1,031.00
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


Designed for the 2018-Current Jeep JL Non-Rubicon with a Manual Transmission. Nitro Gears offers a way to improve improve fuel economy and improve performance all in one kit!

If you've fitted larger tires to your Jeep then you have likely experienced a loss in performance and fuel economy. Most people also recognize the constant shifting of the transmission as it 'hunts' for a gear that works best with those larger tires. This happens because the larger tires reduce your engine's RPMs below the optimal power band. Re-gearing the differentials in your vehicle is the only way to get your vehicle back into its optimal operating RPM range, thus improving performance and reducing strain on your vehicle's drive-train. This is especially important for today's Jeep Wrangler as they feature small displacement engines, with tall factory gearing and overdrive transmissions which are less tolerant to increase in tire size or the weight of added accessories.


  • 2018 and newer Jeep Wrangler JL Moab, Sport/Sport S/Sahara w/ Manual Trans
  • 2018 and newer Jeep Wrangler JL Sport S/Sahara w/ Automatic Trans 


  • Front Differential: M186
  • Rear Differential: M220
  • Gear Ratio: 4.10, 4.56, 4.88, 5.13


  • 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

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