Your Full Service Differential Repair Shop since 1982!


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Traction Upgrades Get more grip with a Limited Slip Differential, Locking Differential or Spool. Our expert installation guarantees top performance.
Axle Shaft Upgrades Chromoly and Performance Axle shafts are much stronger than factory equipment for Street, Strip or Off Road!
Gear Ratio Changes Those big truck tires need a gear ratio change for proper performance. Ring & Pinion Service is the Sacramento area's most experienced differential shop. Call today for a quote on changing the gear ratio in your rig!
Ring & Pinion Service Quality differential service, repair and performance... Guaranteed!

Differential, Ring and Pinion and Axle Upgrades

Differential Repair Rancho Cordova

The experts at Ring & Pinion Service can recommend and install an appropriate differential for any situation that requires more traction. This includes all brands of Posi’s, Locking Differentials or Spools. Whether your vehicle is a daily driver, rock crawler or a full-blown dragster, we can build a performance differential to fit your needs. Read more about the Traction Devices that we have available.

Differential Repair Rancho Cordova, CA

The Ring and Pinion Gear Ratio in a vehicle needs to be adjusted to work with the specific tire size, power, fuel economy and RPM requirements for that vehicle. Owners of trucks or off road vehicles with larger tires, tow rigs, or performance cars will want to consider the best ring and pinion gear ratio for their vehicle. The differential experts at Ring & Pinion Service can help determine the best gear ratio for your vehicle. All gear ratios are in stock. Our expert installation typically gets you back on the road or trail the same day.

Differential & Axle Repair Sacramento, CA

Ring & Pinion Service can upgrade your factory axle shafts to a set of Performance or Chromoly Axle Shafts for an increase in strength and durability.

Axle & Differential Repair Northern California

Most differential or axle upgrades at Ring & Pinion Service will only take a few hours once your vehicle is processed into our work flow. We offer same day service in most cases. Customers who are not able to leave their vehicle can make an appointment, and have upgrades done while they wait.

  • Ring and Pinion Ratio Change 2WD: 2-3 Hours
  • Ring and Pinion Ratio Change 4WD: 5-7 Hours
  • Locker/Posi/Spool Install (Standard): 2 Hours
  • Performance Axle Shaft Install: 1-2 Hours
  • Independent Front Suspension Differential Work: 3-4 Hours


To discuss your Gear Ratio, Axle Upgrade and Traction needs with one of our Differential Experts, call us at (916)635-9665. We can help you determine the ideal upgrades to fit your style and budget.

Free Diagnosis & Estimates

At Ring & Pinion Service, we always offer free diagnosis and Free Repair Estimates. Most commonly, one of our differential experts will road test your vehicle (if possible) and give you an accurate diagnosis based on the symptoms and sounds that are present. We can then make recommendations for repair or upgrade of your differential, and provide you with an accurate repair estimate.

Contact the Ring & Pinion Service staff at (800) 787-8012 for more information or make an appointment!

Business Hours

Our Differential & Axle Experts are ready to help from 8 AM to 5 PM Monday thru Friday Pacific Standard Time.

We are closed daily from 12pm until 1pm for lunch!

While we do accept walk-ins, please make an appointment whenever possible for faster service.

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ARB Air Locker Price Cut

ARB Locker 100 dollar discount

Products Available for the Following Axle Assemblies:

  • AMC Model 20
  • AMC Model 35
  • Toyota 7.5”
  • Toyota 8”
  • Toyota Landcruiser
  • Toyota Tacoma
  • Toyota Tundra
  • Chrysler 7.25”
  • Chrysler 8.25”
  • Chrysler 8.75”
  • Chrysler 9.25” Rear
  • Chrysler 9.25” Front
  • Chrysler 10.5”
  • Chrysler 11.5”
  • Dana 30
  • Dana 35
  • Dana 44
  • Dana 50
  • Dana 60
  • Dana 70
  • Dana 80
  • Ford 7.5”
  • Ford 8”
  • Ford 8.8”
  • Ford 9”
  • Ford 9.75”
  • Ford 10.25”
  • Ford 10.5”
  • GM 55 Passenger
  • GM 55 Truck
  • GM Corvette
  • GM 7.25” Front Differential
  • GM 7.5” and 7.625”
  • GM 8”
  • GM 8.2”, GM 8.25” Front Differential
  • GM Camaro, Pontiac G8, GTO
  • GM 10 Bolt 8.5” and 8.625”
  • GM 12 Bolt Passenger
  • GM 12 Bolt Truck
  • GM 9.25” Front Differential
  • GM 14 Bolt 9.5”
  • GM 14 Bolt 10.5”

The Best Ring & Pinion Service in Greater Sacramento and Outlying Areas

Sacramento | Rancho Cordova| Carmichael | Fair Oaks | Orangevale |Citrus Heights | North Highlands | Rio Linda | West Sacramento | Folsom | Elk Grove | Roseville
Rocklin | El Dorado Hills | Loomis | Woodland | Davis | Placerville | Auburn | Lincoln | Marysville | Yuba City | Vacaville | Fairfield | Lake Tahoe Area

Contact Info

  • Ring & Pinion Service
  • 2429 Mercantile Drive
  • Rancho Cordova, CA 95742
  • Toll Free: (800) 787-8012
  • Tel: (916) 635-9665
  • Open 8am - 5pm M-F
    (Closed 12-1)
Ring & Pinion service provides quality professional differential repair and maintenance for Ford, Chevrolet, Chrysler, GM, AMC, Jeep and Toyota Vehicles. If you need a rear end specialist, look no further. Call Ring & Pinion Service for Quality Service, guaranteed!

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West Coast Differentials, Inc., Differentials - Automobile, Rancho Cordova, CA