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Ford Nitro Pro 10" Reverse Shot Peened 4.57 Ring & Pinion
Ford 10" Reverse 4.57 Shot Peened Nitro Ring & Pinion

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Price: $1,204.00

Product Code: F10R-457R-NG

Description Warranty Information

Ford 10" Off-Road High Performance
5.14 Reverse Nitro Ring & Pinion

Differential: Ford 10"
Gear Ratio: 4.57
Tooth Count: 41/9
Pinion Splines: 35
Ring Gear Bolts: 10 - Dual Drilled
Manufacturer: Nitro Gear & Axle

The “10 Inch.” variant of the Ford 9” has been used by some of the worlds top drag cars, Ultra4 cars & Desert Race / Trophy Trucks. Most other 10” gears are made of a softer material for short bursts, but do not last will for long distance. The new Nitro Pro Series 10” ring & pinions are manufactured from a proprietary blend of the best materials and precision cut, lapped and heat treated with state-of-the art processes. Each gearset is also shot-peened, which provides added protection from superficial stress cracks and imperfection, as well as alters the properties of gear’s surface for added strength and durability. Nitro Pro Series 10” gears are made for hardcore and competition applications, but unlike most other 10” gears, are made for weekend warrior street vehicles as well.

Tech notes:

  • Works with Gear Works High Pinion 10”
  • 9.5/10" Nitro “Pro Gears" generally require an aftermarket housing with sufficient clearance for the larger diameter ring gear.
  • An aftermarket yoke will be required as these gears use a larger 35 spline pinion shaft than a standard 9 inch gearset
  • A different pinion support and bearings are needed to work with the larger diameter pinion shaft.
  • The cut on these gears is engineered for maximum strength and often these gears will run with significant noise compared with a traditional 9" gearset. This is normal for these gears as they are intended for competition use.

Warranty: Pro Gears are intended for extreme off-road fitments and do not have a warranty as a result.

Nitro Gear and Axle Premium Differential Ring and Pinion Gears, Axles and parts

Gear & 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 Fits. At Nitro, we know differentials and know what it takes to provide you with high-quality components.


This product can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to: www.P65Warnings.ca.gov

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