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Ford 10.25"/10.5" Rear Nitro Master Differential Install Kit

Ford 10.25" & 10.5" Nitro Rear Master Install Kit

Recommended: 4 quarts of Nitro Synthetic Plus Gear Lube

Tech Note:

Ford Trucks with OEM 10.5" gears will use MKF10.5, MKF10.5 will not work with any aftermarket gears.

Ford Trucks with OEM 10.25" gears will use MKF10.25.

10.25" gears can be used in place of 10.5" gears if using the 'long pinion' 10.25" gears.

10.25" trucks came with both a 'long' and a 'short' pinion option.

10.25" 'short pinion' gears can only be used in 10.5" housings with a short yoke.

Kit Contents:

  • Pinion Bearing & Race x2
  • Carrier Bearing & Race x2
  • Pinion Nut x1
  • Pinion Seal x1
  • Pinion Shims
  • Carrier Shims
  • Gasket x1
  • Crush Sleeve x1
  • Marking Compound x1
  • Brush x1
  • Loctite x1

The kits assembled by Nitro Gear & Axle only use the highest quality bearings available from Timken & Koyo. Nitro Gear & Axle does not use any cheap Chinese bearings. By using only Timken & Koyo bearings just like all of the OEM vehicle manufacturers you can be assured that your differential will be reliable, durable, & quiet for years to come.

Nitro 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.

Differential: Ford 10.25" & 10.5"

Gear Ratio: All Ratios

Ring Gear Bolts: 12 (not included)

Manufacturer: Nitro Gear & Axle


1985-1998 Ford F250 & F350

1999-2010 Ford F250 Superduty (With aftermarket gears)

1999-2010 Ford F350 Super Duty (SRW) (With aftermarket gears)

2000-2005 Ford Excursion (With aftermarket gears)

1997-1999 Ford F250 LD Pickup w/ 7 Lug Axles

2000-2009 Ford F150 HD Pickup w/ 7 Lug Axles

Nitro: MKF10.25

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