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  See more parts for Buick Centurion
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Richmond Gear 3.90 Car Ring and Pinion for GM 8.875" Buick Chevrolet GMC Oldsmobile Pontiac 1964-1973 - 49-0040-1
Richmond Gear 3.90 Car Ring and Pinion for GM 8.875" Buick Chevrolet GMC Oldsmobile Pontiac 1964-1973 - 49-0040-1 - Image 2 Richmond Gear 3.90 Car Ring and Pinion for GM 8.875" Buick Chevrolet GMC Oldsmobile Pontiac 1964-1973 - 49-0040-1 - Image 2

Richmond Gear 49-0040-1 3.90 Car Ring and Pinion

When it comes to enhancing your vehicle's performance, the Richmond Gear 49-0040-1 3.90 Car Ring and Pinion set stands out as a reliable choice. Designed specifically for GM 8.875" differentials, this product offers a perfect balance of strength and precision, making it ideal for both street and racing applications.

Key Features:

  • Gear Ratio: 3.90 - A great option for improved acceleration without sacrificing top-end speed.
  • Material: Crafted from durable 8620 Steel, ensuring longevity and performance under demanding conditions.
  • Pinion Gear Tooth Quantity: 10 - Designed for efficient power transfer and reduced wear.
  • Ring Gear Tooth Quantity: 39 - Provides a robust setup for heavy-duty applications.
  • Standard Rotation: Easy installation with familiar setup for mechanics and enthusiasts alike.

Specifications:

  • Application Model: GM 8.875 Car
  • Cover Bolt Quantity: 12
  • Differential Carrier Break: 3.73 Ratio and Lower
  • Differential Case Design Type: GM 8.875 Car
  • Pinion Shaft Diameter: 1.625 inch
  • Pinion Spline Count: 30
  • Ring Gear Outside Diameter: 8.875 inch

Customer Feedback:

Many users have praised the Richmond Gear 49-0040-1 for its solid performance and reliability. One customer mentioned, "I installed this ring and pinion in my '68 Camaro, and the difference was night and day. Smooth acceleration and great handling!" Another user shared, "I've used Richmond products for years, and this one did not disappoint. Installation was straightforward, and the performance boost is noticeable."

Compatibility:

This ring and pinion set is compatible with a variety of classic GM vehicles, including:

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

Upgrade your drivetrain with the Richmond Gear 49-0040-1 and experience the performance that has made Richmond a trusted name in motorsports for decades. Whether on the street or the track, this ring and pinion set is built to deliver.

Notes:

  • For GM 8.875" (12 Bolt)
  • 3.90 Ratio
  • Thick Ring Gear
  • 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

Richmond Gear Banner

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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