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  See more parts for Buick Centurion
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Richmond Gear 3.73 Ring and Pinion Set for GM 8.875" Buick Chevrolet GMC Oldsmobile Pontiac 1964-1973 - 49-0096-1
Richmond Gear 3.73 Ring and Pinion Set for GM 8.875" Buick Chevrolet GMC Oldsmobile Pontiac 1964-1973 - 49-0096-1 - Image 2 Richmond Gear 3.73 Ring and Pinion Set for GM 8.875" Buick Chevrolet GMC Oldsmobile Pontiac 1964-1973 - 49-0096-1 - Image 2

If you're diving into the world of performance upgrades, you’ve probably heard of Richmond Gear. They’ve been around for ages, and for good reason. These guys know how to build drivetrain components that can take a beating and keep on rolling. Whether you’re hitting the streets or tearing it up on the track, their products are designed to deliver the kind of power and reliability you can count on.

Take this 3.73 Ring and Pinion Set for the GM 8.875 rear end, for example. It’s a solid choice for anyone looking to boost their ride’s performance without going overboard. With a gear ratio of 3.73, you're getting a nice balance of acceleration and top-end speed. Perfect for those who want to feel the power without sacrificing drivability.

  • App Model: GM 8.875 Car
  • Cover Bolt Quantity: 12
  • Differential Carrier Break: 3.90 Ratio and Higher
  • Pinion Gear Tooth Quantity: 11
  • Pinion Shaft Diameter: 1.625 inches
  • Pinion Spline Count: 30
  • Ring Gear Bolt Quantity: 12
  • Ring Gear Material: 8620 Steel (tough stuff)
  • Ring Gear Outside Diameter: 8.875 inches
  • Ring Gear Tooth Quantity: 41

This setup is built to last, thanks to the 8620 steel used for the ring gear. You’re not just getting a part that works; you’re getting something that’s been proven on the track, with wins at events like the Daytona 500 and U.S. Nationals under its belt. Talk about a pedigree!

Now, let’s get into the nitty-gritty of fitment. This ring and pinion set fits a range of classic rides, including:

  • Buick Centurion (1971-1972)
  • Chevrolet Camaro (1967-1972)
  • Pontiac GTO (1970-1972)
  • Oldsmobile Cutlass (1971-1972)
  • And many more!

So, if you’re looking to give your classic muscle car a little more bite, this Richmond Gear 3.73 set is a fantastic option. Just remember, it’s all about finding the right balance for your ride, and this gear ratio is a sweet spot for many. Get ready to feel the difference!

Notes:

  • For GM 8.875" (12 Bolt)
  • 3.73 Ratio
  • Thin Ring Gear
  • Requires a 4.10 and Numerically Higher Ratio Carrier

Proposition 65

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

Vehicle
1971-1972
 Buick Centurion
1965-1972
 Buick Electra
1971-1972
 Buick Estate Wagon
1970-1972
 Buick GS
1968-1969
 Buick GS 350
1968-1969
 Buick GS 400
1970-1972
 Buick GS 455
1965-1967
 Buick Gran Sport
1971-1972
 Buick LeSabre
1971-1972
 Buick Skylark
1965-1969
 Buick Special
1964-1972
 Buick Sportwagon
1965-1970
 Chevrolet Bel Air
1967-1972
 Chevrolet Camaro
1966-1972
 Chevrolet Caprice
1964-1973
 Chevrolet Chevelle
1965-1968
 Chevrolet Chevy II
1965-1972
 Chevrolet El Camino
1965-1972
 Chevrolet Impala
1965-1967
 Chevrolet Malibu
1970-1972
 Chevrolet Monte Carlo
1969-1972
 Chevrolet Nova
1971-1972
 GMC Sprint
1971
 Oldsmobile 442
1965-1972
 Oldsmobile 98
1971-1972
 Oldsmobile Cutlass
1967-1968
 Oldsmobile Delmont 88
1965-1972
 Oldsmobile Delta 88
1965-1966
 Oldsmobile Jetstar 88
1965-1966
 Oldsmobile Starfire
1967-1972
 Oldsmobile Vista Cruiser
1965-1972
 Pontiac Bonneville
1967-1972
 Pontiac Firebird
1970-1972
 Pontiac GTO
1970
 Pontiac Tempest

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Who is Richmond Gears?

Richmond Gears is a company that was founded in 1915 and is based in Liberty, South Carolina, that specializes in manufacturing high-quality drivetrain components for the automotive industry. They have been in the business for more than 80 years and have one of the most comprehensive parts lists in the market. 

Today, they are considered one of the go-to brands of many professional mechanics, DIY customers, and tuners.

Continuous Development

The company never stops in its search for innovative ways to improve its products. It is why many hot rod builders and racers around the world choose Richmond Gears. It allows them to customize their drivetrain according to their need. 

Designed to Perform

Each product is engineered to perform even in the harshest condition. Every component is precisely cut using the most advanced cutting tool in the industry. It allows them to create pieces with very tight tolerances and guarantees that perfect fit.

Purchase Richmond Gears At Vivid Racing

If you are in the market for high-quality drivetrain components and want something that could take the abuse of high horsepower engines, then Richmond Gears is the brand for you. 

It offers ring and pinion sets and transmissions, and accessories, synthetic gear oils, installation kits, instructional videos, spools and mini-spools, transmission fluids, and rear-end lubes. They also have parts for vehicles made from the 1940s, making them a favorite brand of many classic car owners.

To know more about Richmond Gears, visit Vivid Racing and check out their list of offers that fit your needs.

Richmond's Warranty

Our commitment to quality is backed by some of the best warranty coverage in the industry. Richmond Performance products are warranted against defects for a period of two (2) year under normal driving conditions.

Installation Instructions

Click to view the Installation Instructions here

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