Free Shipping On Orders Over $75. Details

Talk to a Mustang Enthusiast
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $10,000 in Store Credit! Enter Now >
Claim Your FREE Gift! Reveal Now >

Richmond Super 8.8 Ring and Pinion Gear Kit; 3.55 Gear Ratio (15-21 All)

Item 406941
Call a Mustang Enthusiast at 1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Market Price $285.14 You Save 13% ($37.19)
Our Price

$247.95 (kit)

FREE Shipping

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
In Stock

Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Ring Gear and Pinion Kit
      • 3.55 Gear Ratio
      • Compatible with 3.31 Ratio Carrier and Higher
      • Ford Super 8.8 Differential Case Design Type
      • 12 Cover Bolts
      • 8620 Steel Ring Gear Material
      • Made in the U.S.A.
      • 2-year, 100,000 “No-Nonsense” Warranty
      • Difficult Installation
      • Compatible with All 2015-2021 Ford Mustangs


      Integral Performance. Improve your wheel and axle rotation with the Richmond Super 8.8 Ring Gear and Pinion Kit - 3.55 Gears. This precision-engineered ring and pinion is constructed with an emphasis on computer controlled heating and distending strength, constructed using only the highest quality materials for long lasting performance on the street or off-road.

      3.55 Ratio. This American-made unit adapts to a 3.55 ring and pinion gear ratio with a 3.31 or higher carrier break, 12 cover bolts, and a 2.01-inch pinion shaft diameter.

      Warranty. Rest assured with a 2-year, 100,000 “no-nonsense” warranty which covers any defects in materials and workmanship from the manufacturer.

      Installation. Installation time is between 2 to 3 hours, depending on your level of mechanical skills.

      Application. The Richmond Super 8.8 Ring Gear and Pinion Kit - 3.55 Gears is compatible with all 2015-2021 Ford Mustangs.

      Fitment: 2015 2016 2017 2018 2019 2020 2021

      Richmond 49-0210-1

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Ring Gear and Pinion Kit

      Customer Reviews (2)

        Reviews of Richmond Drivetrain products have an average rating of 4.8 out of 5

          Questions & Answers

          10 More Questions