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  See more parts for Buick Centurion
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Richmond Gear 3.73 Ring and Pinion for GM 8.875" Buick Chevrolet GMC Oldsmobile Pontiac 1964-1973 - 49-0039-1
Richmond Gear 3.73 Ring and Pinion for GM 8.875" Buick Chevrolet GMC Oldsmobile Pontiac 1964-1973 - 49-0039-1 - Image 2 Richmond Gear 3.73 Ring and Pinion for GM 8.875" Buick Chevrolet GMC Oldsmobile Pontiac 1964-1973 - 49-0039-1 - Image 2

When it comes to gearing up your ride, Richmond Gear is where you want to be. These guys know their stuff, crafting high-performance drivetrain products that have been making waves on the track for decades. Whether you’re tearing up the streets or hitting the raceway, their ring-and-pinion sets are designed for serious enthusiasts who demand nothing but the best.

Take the Richmond Gear 3.73 Car Ring and Pinion for the GM 8.875” differential, for example. This isn’t just a set of gears; it’s a ticket to a whole new level of performance. With a gear ratio of 3.73, you’ll feel that instant torque when you hit the gas, and trust me, it’s a game-changer. The 11-tooth pinion gear, paired with a sturdy 41-tooth ring gear made from tough 8620 steel, ensures you’ve got the durability to back up the power.

Now, let’s talk fitment. This beauty fits a wide range of classic rides, from the Buick Electra (1965-1972) to the Pontiac GTO (1970-1972). So whether you’re restoring a vintage muscle car or just looking to upgrade your daily driver, this ring and pinion set has got you covered. With a pinion shaft diameter of 1.625 inches and a solid 30-spline count, you know it’s built to handle the demands of your engine.

Installation is straightforward, thanks to the 12 cover and ring gear bolt quantities. You won’t have to worry about compatibility issues here. And if you’re wondering about the differential carrier break, it’s designed for ratios between 3.07 to 3.73, making it versatile enough for various setups.

Richmond Gear isn’t just a name; it’s a legacy. Their products have stood on the podium at places like the Daytona 500 and U.S. Nationals, proving that winners really do run Richmond. So if you’re ready to elevate your ride’s performance and reliability, this is the gear set you want to have in your corner.

Notes:

  • For GM 8.875" (12 Bolt)
  • 3.73 Ratio
  • Requires a 3.07 to 3.73 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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