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Motive Gear MGK-312 Differential Ring and Pinion Complete Kit for Front and Rear - MGK-312

Motive Gear MGK-312 Differential Complete Ring and Pinion Kit

If you're looking to enhance the performance of your 1997-2009 Ford F-150, 1997-2004 Ford Expedition, or 1998-2002 Lincoln Navigator, the Motive Gear MGK-312 is a top-tier choice. This differential ring and pinion kit is designed specifically for the Ford 8.8" differential, making it a perfect fit for these models. Whether you're hitting the trails or cruising on the highway, this kit will help you achieve optimal power delivery and handling.

Why Choose Motive Gear?

Motive Gear is renowned for producing some of the toughest drivetrain components on the market. With a legacy rooted in racing, their products are engineered through extensive testing and innovative manufacturing processes. You can trust that the MGK-312 has been developed with performance in mind, ensuring you get a durable and reliable upgrade.

Key Features

  • Ring Gear Diameter: 8.8 inches
  • Pinion Shaft Diameter: 1.626 inches
  • Ring Gear Tooth Quantity: 39
  • Pinion Gear Tooth Quantity: 8
  • Pinion Spline Count: 30
  • Gear Ratio: 4.88 - ideal for both on-road and off-road applications
  • Material: Made from durable 8620 steel for enhanced strength
  • Includes 10 bolts for both ring gear and cover for secure installation

Fitment

This kit is compatible with:

  • Ford F-150 (1997-2009)
  • Ford Expedition (1997-2004)
  • Lincoln Navigator (1998-2002)

Installation Notes

Designed for the Ford 8.8" IFS and other Ford 8.8" applications, the MGK-312 is straightforward to install, especially if you're familiar with differential work. It's recommended to use Timken bearing kits for a complete setup. With the 4.88 ratio, you'll notice improved acceleration and torque, making it perfect for towing or off-road adventures.

Customer Feedback

Ford F-150 owners have reported significant improvements in their vehicle's responsiveness after installing the MGK-312. One user mentioned, "After putting this kit in my 2006 F-150, the power delivery is much smoother, and I can feel the difference when towing my trailer." Another satisfied customer added, "This was a solid upgrade for my Expedition. The 4.88 ratio really helped with my off-road performance."

Important Safety Note

This product contains materials that may be subject to California Proposition 65 warnings. For more information, please visit www.P65Warnings.ca.gov.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1997-2004
 Ford Expedition
1997-2009
 Ford F-150
1998-2002
 Lincoln Navigator

Motive Gear Banner

Who is Motive Gear?

Motive Gear is a Midwest Truck and Auto Parts division specializing in producing high-quality drivetrain components for the automotive industry. They offer a wide range of products from differential bearing kits, ring and pinion gear sets, transmission kits and components, transfer case parts, and replacement axle shafts. Today, Motive Gear is one of the most sought-after brands when it comes to drivetrain parts.

Quality and Affordable Parts

Motive Gear provides high-quality drivetrain parts at an affordable price. All of their products are designed using the latest manufacturing equipment and goes through an extensive quality control test. It ensures that their products achieve a perfect fit, provides optimum performance and longevity.

Choice Of Champions

Their products are also used by many racers from various racing disciplines such as IHRA, NHRA, NMRA, SODA, NMCA, BITD, and NASCAR. It is a testament to the quality and performance their product provides. Their racing participation also allows the company to gather vital data that lets them improve their products further. 

Purchase Motive Gear Products At Vivid Racing

If you are planning to upgrade your drivetrain and are searching for a company that you can trust, then Motive Gear is the brand for you. Over the years, they have consistently given customers parts that they can rely on and have proven that quality parts do not always have to be expensive. To know more about Motive Gear, visit Vivid Racing and check out their list of products that fit your specific requirement.







At Motive Gear, from inception to inspection, our parts surpass rigorous quality control tests. When you open your Motive Gear box, you can see the quality of our hard work. Our highly qualified quality control technicians are up-to-date on the latest industry innovations to ensure that the quality of our product is unsurpassed. Our parts are TOUGH. We back our Motive Gear Performance ring & pinion gear sets with a 2 year / 100,000 mile no-nonsense warranty and all other products with a 1 year / 50,000 mile warranty

Installation Instructions

Click to view the Installation Instructions here

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