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Richmond Gear 79-0019-1 Pro Gear Ring and Pinion Set Ford 9" 5.83 Ratio 28 Spline

(Ford F-150 1975-86, Mustang 1965-73, Bronco 1966-86, Thunderbird 1955-79, Maverick 1970-77, Galaxie 500 1962-74, F-100 1975-83 + 22 more models)

Part of: Richmond Gear PRO Gear Differential Ring and Pinion Sets

Other options in this family: Richmond Gear 7900171 Richmond Gear 7900801 Richmond Gear 7900431 Richmond Gear 7900451 Richmond Gear 7900791

Manufacturer

Picture for manufacturer Richmond Gear

Part Number

7900191
5 reviews
Sale Price

$587.98

1 left at this price

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Usually delivered within 2 days

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Product Details

The Richmond Gear 79-0019-1 Pro Gear Ring and Pinion Set is engineered for Ford 9" differentials and delivers a 5.83:1 gear ratio specifically designed for drag racing and high-performance applications. This professional-grade gear set features a 35-tooth ring gear and 6-tooth pinion constructed from premium 9310 steel alloy, providing enhanced strength and resistance to breakage under extreme horsepower and high-stress launches.

Key Specifications:

  • Application: Ford 9" differential
  • Gear Ratio: 5.83:1 (35 ring gear teeth / 6 pinion teeth)
  • Pinion Spline Count: 28-spline
  • Pinion Shaft Diameter: 1.313 inches (small pinion)
  • Ring Gear Diameter: 9 inches
  • Material: 9310 steel alloy construction
  • Warranty: 2-year or 100,000-mile limited warranty

Performance Features:

  • Computer-controlled manufacturing with precision tolerances to 1/1000th of an inch
  • Ground pinion threads for trouble-free installation
  • Special heat treatment for improved strength and durability
  • Lightened design reduces rotating weight by up to 6 pounds
  • Designed for drag race and extreme performance applications

Richmond Gear's Pro Gear series has been proven on race tracks for over 80 years, with victories at the Daytona 500 and U.S. Nationals. The Double Diamond trademark signifies premium quality gearing manufactured through continual research, development, and rigorous testing. This gear set is designed to meet or exceed OEM specifications while delivering optimal torque transfer and reliability for serious street and racing applications.

Products specifications

Fits

Ford F-150 1975-86, Mustang 1965-73, Bronco 1966-86, Thunderbird 1955-79, Maverick 1970-77, Galaxie 500 1962-74, F-100 1975-83, Fairlane 1957-70, Ranchero 1957-79, Torino 1968-76, Galaxie 1959-67, Gran Torino 1972-76 + 17 more models

Calculator

Gear Ratio Calculator

Cover Bolts

10

Installation Kit Included

No

Pinion Gear Teeth

6

Pinion Shaft Diameter (in)

1.313 in.

Pinion Spline Count

28

Quantity

Sold as a set.

Ring and Pinion Ratio

5.83:1

Ring Gear Bolts

10

Ring Gear Diameter (in)

9.000 in.

Ring Gear Rotation

Standard

Ring Gear Teeth

35

Tool

Transmission Lookup

Differential Case Design Type

Ford 9

Pinion Shaft Diameter

1.313

Ring and Pinion Gear Ratio

5.83

Ring Gear Material

9310 Steel

Cover Bolt Quantity

Dropout

Ring Gear Diameter

9

Pinion Gear Tooth Quantity

6

Ring Gear Bolt Quantity

10

Ring Gear Tooth Quantity

35

Prop 65

WARNING: Cancer - www.p65warnings.ca.gov

Position

Rear

It was easy and the price is good, but this is just the order. If I get the product in the same manor, that will be great. Thanks, Mike

Fast ship, great price. I will purchase merchandise from them again.

Overall very good, fast service. Will shop there again.

Shopped around and Autoplicity had the best price by far on the BOV for my car. Shipping was fast, very satisfied!

Autoplicity was the least expensive and had great response time in regards to shipping. I will use Autoplicity next time I am needing automotive parts. Thanks

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