See more parts for Chevrolet Blazer
Select the year of your Chevrolet Blazer:
Product thumb
Richmond Gear 3.73 Ring and Pinion for GM 8.875" Chevrolet GMC Pontiac 1965-1982
$445.71
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!


Specifications:
  • App Model: GM 8.875 Truck
  • Cover Bolt Quantity: 12
  • Differential Carrier Break: 3.73 Ratio and Higher
  • Differential Case Design Type: GM 8.875 Truck
  • Gear Ratio: 3.73
  • Pinion Gear Tooth Quantity: 11
  • Pinion Shaft Diameter: 1.438 (Inch)
  • Pinion Spline Count: 30
  • Ring Gear Bolt Quantity: 12
  • Ring Gear Material: 8620 Steel
  • Ring Gear Outside Diameter: 8.875 (Inch)
  • Ring Gear Rotation: Standard
  • Ring Gear Tooth Quantity: 41
  • Taxonomy A: LD Differential
  • Taxonomy B: Ring and Pinion
  • Taxonomy C: Rear
  • Taxonomy D: 3.73

Notes:

  • For GM 8.875" (12 Bolt)
  • 3.73 Ratio
  • Requires a 3.73 and Numerically Higher Ratio Carrier
  • 1963-1964 Models Require a 30 Spline Pinion Yoke

Proposition 65

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

Vehicle
1969-1974
Chevrolet Blazer
1964-1982
Chevrolet C/K 10
1969-1981
Chevrolet C/K 20
1975-1981
Chevrolet G10
1970-1974
Chevrolet G10 Van
1978-1981
Chevrolet G20
1975-1981
Chevrolet K5 Blazer
1965-1967
Chevrolet P10 Series
1967
Chevrolet P10 Van
1975-1981
Chevrolet P20
1965-1982
Chevrolet Suburban
1966-1978
GMC C/K 15
1966, 1979-1982
GMC C/K 1500
1969-1978
GMC C/K 25
1979-1981
GMC C/K 2500
1970-1981
GMC Jimmy

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

Check out these other great products