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Motive 8.8 in. Front Ring Gear and Pinion Kit - 3.73 Gears (97-18 All)

Market Price $326.99 You Save 12% ($38.45)
Starting At

$288.54 (each)

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  • Item T60007
  • MPN# F888373IFS

Will this fit your F-150?

Features & Details

  • Ideal for Street and Performance Applications
  • 3:73.1 Gear Ratio
  • 8.8" Ring Gear Diameter
  • 30-Spline Pinion
  • 10 Ring Gear Bolts
  • CNC-Cut from Premium Grade 8620 Triple Alloy Steel
  • Professional Installation Recommended
  • 2 Year - 100,000 Mile Manufacturer's Warranty
  • Reverse Rotation
  • Fits All 1997-2018 4WD Ford F-150s with 8.8" (10 Bolt) IFS Differential
Improves Performance. Does the idea of more torque make you smile? If so, you may want to consider installing a set of Motive's Stock Performance 3.73 Ring and Pinion Gears. Upgrading to a set of steeper ratio gears will allow your four wheel drive F-150 to enter into its power band much sooner for a noticeable improvement in low end torque and quicker acceleration. Motive's 3.73 Gears are ideal for F-150 owners who need a little more low end grunt for towing or when taking on difficult off road trails.

Superior Construction. Motive Ring and Pinion Gears are CNC machined from high grade 8620 gear steel and factory lapped for a precise fit. Each set of gears are hardness tested prior to leaving the factory to ensure the highest quality possible. Unlike other aftermarket brands, Motive Gears do not have a reputation for annoying gear whine. Motive is so confident in the quality of their gears that they are backed with a 12 month, 100,000 mile warranty against defects in materials and workmanship.

Recommended Upgrade. Please note that when changing the gear ratio of your F-150's differential that the calibration of your speedometer will no longer be correct and will display the wrong speed. However, you can easily fix this annoying issue with a Handheld Tuner (sold separately).

Professional Installation Recommended. The installation of Ring and Pinon Gears can be a very intricate process, so mechanical experience is highly recommended. Follow the included instructions for best results.

2 Year Manufacturer's Warranty. Motive Gear is so confident in the quality of their products that they warrant them to be free from defects in material and workmanship for a period of 2 Years or 100,000 Miles.  Some exclusions may apply, please see manufacturer's warranty for details.

Application. This 3.73 ratio Motive Gear Stock Performance Front Ring and Pinion Gear set will fit all 1997 to 2018 4WD F-150's equipped with a 8.8" (10 bolt) independent front suspension differential. A master bearing kit is recommended by most installers, especially on high mileage vehicles.

Please Note. If you are unsure if your F-150 has an 8.8 in. (10 Bolt) or a 9.75 in. (12 Bolt) differential, please check with your local Ford dealer to determine what rear is in your truck.

Technical Note. If your F-150 is a four wheel drive model, you will need to change both the front and rear gear ratios to match. Failure to do so will cause severe damage to both the transfer case and transmission. Installation costs will vary, but a good rule of thumb is between $250 and $300. Be sure to work with a reliable shop that you trust for installations.

Fitment: 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Details

What's in the Box
  • (1) Ring Gear
  • (1) Pinion Gear
Installation Info
Tech Specs

Front Gear Specifications.

  • Ring & Pinion Gear Ratio: 3.73
  • Cover Bolt Quantity: 10
  • Differential Case Design: Ford 8.8 IFS
  • Pinion Gear Tooth: 11
  • Pinion Shaft Diameter: 1.626 in.
  • Pinion Spline Count: 30
  • Ring Gear Bolt Quantity: 10
  • Ring Gear Diameter: 8.8 in.
  • Ring Gear Metal: 8620 Steel
  • Ring Gear Rotation: Reverse
  • Ring Gear Tooth Quantity: 41
Will it fit my F-150?
  • 15-18 - 16, 15, 17
  • 09-14 - 14, 13, 12, 11, 10, 09
  • 04-08 - 08, 07, 06, 05, 04
  • 97-03 - 03, 02, 01, 00, 99, 98, 97

If your F-150 is a four wheel drive model, you will need to change both the front and rear gear ratios to match. Failure to do so will cause severe damage to both the transfer case and transmission.

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