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EXCEL from Richmond Differential Ring and Pinion - GM75390TK
EXCEL from Richmond Differential Ring and Pinion - GM75390TK - Image 4 EXCEL from Richmond Differential Ring and Pinion - GM75390TK - Image 2 EXCEL from Richmond Differential Ring and Pinion - GM75390TK - Image 3 EXCEL from Richmond Differential Ring and Pinion - GM75390TK - Image 4

EXCEL GM75390TK Differential Ring and Pinion

The EXCEL GM75390TK Differential Ring and Pinion is a top-notch replacement part designed specifically for a range of GM vehicles. This high-quality component ensures your ride maintains optimal performance and reliability. Whether you’re cruising in a classic Buick or a rugged Chevrolet, this ring and pinion set is engineered to meet the demands of your specific year, make, and model.

Why Choose the GM75390TK?

Crafted from durable 8620 steel, this ring and pinion set boasts a ring gear diameter of 7.5 inches and a gear ratio of 3.90. It’s perfect for those who need a reliable upgrade for their GM 7.5"/7.625" (10 Bolt) differential, especially if you're running a 3.08 ratio carrier or lower. With 39 teeth on the ring gear and 10 on the pinion, you can expect a smooth and efficient power transfer that enhances your vehicle's performance.

Key Features

  • Differential Carrier Break: 3.08 and Lower
  • Pinion Shaft Diameter: 1.438 inches
  • Pinion Spline Count: 27
  • Ring Gear Bolt Quantity: 10
  • Cover Bolt Quantity: 10
  • Standard Rotation for Ring Gear

Fitment

This differential ring and pinion set fits a wide variety of GM models, making it a versatile choice for many car owners. Here’s a quick list of compatible vehicles:

  • Buick Apollo (1973-1975)
  • Buick Century (1977-1981)
  • Chevrolet Camaro (1982-2002)
  • Chevrolet Impala (1977-1985 & 1994-1996)
  • GMC Jimmy (1983-2005)
  • Oldsmobile Cutlass (1977-1981)
  • Pontiac Firebird (1977-2002)

For a complete list of compatible models, please refer to the product specifications.

Installation Notes

This part fits both the rear and front positions, making it a flexible choice for your differential needs. It’s essential to ensure that your vehicle's specifications align with this part to guarantee a perfect fit. If you're familiar with differential installations, you'll appreciate how straightforward this upgrade can be.

Customer Feedback

Many satisfied customers have installed the GM75390TK in their vehicles. For instance, a Chevrolet Blazer owner mentioned, “After swapping out my old differential with the GM75390TK, I noticed a significant improvement in power delivery. The installation was smooth, and it fits perfectly!”

Important Safety Information

As with all automotive parts, please be aware of California Proposition 65 warnings regarding cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Proposition 65

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

Vehicle
1973-1975
 Buick Apollo
1977-1981
 Buick Century
1991-1996
 Buick Commercial Chassis
1976-1985
 Buick Electra
1977-1983
 Buick Estate Wagon
1975-1985
 Buick LeSabre
1977-1987
 Buick Regal
1977-1978
 Buick Riviera
1991-1996
 Buick Roadmaster
1975-1979
 Buick Skylark
1987-1990
 Cadillac Brougham
1982-1984
 Cadillac DeVille
1982-1990
 Cadillac Fleetwood
1985-2005
 Chevrolet Astro
1987-2001
 Chevrolet Blazer
1982-2002
 Chevrolet Camaro
1977-1996
 Chevrolet Caprice
1977-1987
 Chevrolet El Camino
1977-1985, 1994-1996
 Chevrolet Impala
1983-1986
 Chevrolet K5 Blazer
1973-1983
 Chevrolet Malibu
1978-1988
 Chevrolet Monte Carlo
1976-1979
 Chevrolet Nova
1982-2004
 Chevrolet S10
1983-2005
 GMC Jimmy
1982-1990
 GMC S15
1985-1989, 1991-2000
 GMC Safari
1991-2004
 GMC Sonoma
1991
 GMC Syclone
2006-2010
 Hummer H3
2009-2010
 Hummer H3T
1988
 Isuzu Pickup
1991-2002
 Isuzu Rodeo
1977-1984
 Oldsmobile 98
1991-1994, 1996-2004
 Oldsmobile Bravada
1977-1984
 Oldsmobile Custom Cruiser
1977-1981
 Oldsmobile Cutlass
1978-1984
 Oldsmobile Cutlass Calais
1980-1983
 Oldsmobile Cutlass Cruiser
1978-1980
 Oldsmobile Cutlass Salon
1982-1984
 Oldsmobile Cutlass Supreme
1977-1985
 Oldsmobile Delta 88
1976-1979
 Oldsmobile Omega
1977-2002
 Pontiac Firebird

EXCEL Banner

Who is Excel?

Excel is a brand under Richmond that is best known for its high-quality drivetrain products for the automotive industry. They specialize in creating durable, high-quality differential components used both on the track and on the street. Today, they are the leading brand when it comes to differential components in the market.

Racer’s Brand Of Choice

The company offers premium differential kits and components that are used by many racers everywhere. Their rock-solid design aims to provide maximum performance and safety during extreme and tough driving conditions.

Your Drivetrain Component Experts

For more than 80 years, the company has provided quality aftermarket parts for different industries. It includes the agriculture, construction, marine, and automotive sector. They have a wide range of drivetrain products such as spools and mini spools, transmissions, ring and pinion gear, synthetic gear oils, and transmission fluids. They have a comprehensive list of products and even have parts for vehicles made from the 1940s up to the present.

State-of-the-Art Facility

To ensure that all their products come out the way they designed them, the company utilizes the latest and most advanced equipment available in the market. It allows them to create parts with precision cuts with very minimal tolerances.

Purchase  Excel Products At Vivid Racing

If you are in the market for quality drivetrain components for your vehicle, then Excel is the brand for you. Whether it is a classic car or a modern one, they would have the right set for you. To know more about Excel and what they can offer, visit Vivid Racing and check out their list of products that fit your specific needs.






Installation Instructions

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