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Motive Gear Performance Differential Ring and Pinion C887391E for 2007-2018 Jeep Wrangler - C887391E
Motive Gear Performance Differential Ring and Pinion C887391E for 2007-2018 Jeep Wrangler - C887391E - Image 2 Motive Gear Performance Differential Ring and Pinion C887391E for 2007-2018 Jeep Wrangler - C887391E - Image 2

Motive Gear C887391E Performance Differential Ring and Pinion

The Motive Gear C887391E is engineered for those who demand precision and durability from their drivetrain components. This performance differential ring and pinion set is designed specifically for the Chrysler 8.75 (742) differential case, ensuring a reliable fit for a range of classic vehicles.

Specifications

  • Ring Gear Diameter: 8.75 inches
  • Pinion Shaft Diameter: 1.750 inches
  • Ring Gear Tooth Quantity: 43
  • Pinion Gear Tooth Quantity: 11
  • Pinion Spline Count: 10
  • Ring and Pinion Gear Ratio: 3.91
  • Ring Gear Material: 8620 Steel
  • Ring Gear Rotation: Standard
  • Ring Gear Bolt Quantity: 12
  • Cover Bolt Quantity: Dropout

Performance and Design

Constructed from high-quality 8620 steel, the C887391E offers enhanced strength and wear resistance, making it suitable for both street and performance applications. The 3.91 gear ratio strikes a balance between torque and speed, making it ideal for enthusiasts looking to improve acceleration without sacrificing top-end performance.

Fitment

The C887391E is compatible with the following models:

  • Chrysler 300 (1967-1968)
  • Chrysler Imperial (1957-1968)
  • Chrysler New Yorker (1957-1968)
  • Chrysler Newport (1957-1968)
  • Dodge Charger (1966-1970)
  • Dodge Coronet (1965-1970)
  • Dodge D100 Pickup (1968)
  • Dodge D100 Series (1964-1967)
  • Dodge Dart (1968)
  • Dodge Monaco (1965-1970)
  • Dodge Polara (1966-1970)
  • Plymouth Barracuda (1968)
  • Plymouth Valiant (1968)

Installation Notes

When installing the C887391E, ensure proper alignment and torque specifications are followed to avoid premature wear or failure. It is recommended to use high-quality gear oil for optimal performance and longevity.

Proposition 65

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

Vehicle
1967-1968
 Chrysler 300
1957-1968
 Chrysler Imperial
1957-1968
 Chrysler New Yorker
1957-1968
 Chrysler Newport
1966-1970
 Dodge Charger
1965-1970
 Dodge Coronet
1968
 Dodge D100 Pickup
1964-1967
 Dodge D100 Series
1968
 Dodge Dart
1965-1970
 Dodge Monaco
1966-1970
 Dodge Polara
1968
 Plymouth Barracuda
1968
 Plymouth Valiant

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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