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Richmond Super 8.8 Ring and Pinion Gear Kit; 3.73 Gear Ratio (15-21 All)

Item 406942
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Market Price $285.14 You Save 13% ($37.19)
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$247.95 (kit)

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Ship to: Ashburn - 20149
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      Product Information

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


      • Ring Gear and Pinion Kit
      • 3.73 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
      • Moderate to Expert Level Installation
      • Compatible with All 2015-2021 Ford Mustangs


      More Force with Each Spin. The Richmond Super 8.8 Ring Gear and Pinion Kit - 3.73 Gears offers outstanding improvement for your vehicle’s torque, creating more power to the drive wheels by improving the ratio of the ring and pinion grooves. It is specially built for high horsepower engines with precision computer controlled heat treatment and an 8620 steel ring gear construction for outstanding durability on the trails.

      3.73 Ratio. This unit adapts to a 3.55 ring and pinion gear ratio with a 3.31 or higher carrier break Ford Super 8.8 design type, and a 2.01 -inch pinion shaft diameter, along with a 30 pinion spline count. It is proudly made in the U.S.A.

      Warranty. This ring gear and pinion kit come with a 2-year, 100,000 “no-nonsense” warranty that protects against defects in workmanship and materials from the manufacturer. Damage as a result of abuse, neglect or poor quality maintenance will not be covered.

      Installation. You should expect to take no more than 3 hours installing this kit, with a hard level of difficulty for someone with decent mechanical skills

      Application. The Richmond Super 8.8 Ring Gear and Pinion Kit - 3.73 Gears is compatible with all 2015-2021 Ford Mustangs.

      Fitment: 2015 2016 2017 2018 2019 2020 2021

      Richmond 49-0211-1

      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