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Nitro Gear & Axle Ring and Pinion Gear Kit; 3.73 Gear Ratio (86-93 GT)

Item 404737
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Market Price $264.50 You Save 13% ($34.50)
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$230.00 (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
      • 30-spline Pinion
      • Precision Machined Using Heavy Duty 8620 Steel
      • Compatible with 10 Ring Gear Bolts
      • 8.80-inch Ring Gear Diameter
      • Computer Controlled and Heat Treated
      • CNC Triple-lapped Composition
      • Improves Low-end Torque and Acceleration
      • Made in the U.S.A.
      • Two-year Warranty
      • Hard Difficulty Installation
      • Compatible with the 1986-1993 Ford Mustang GT


      Torque Redefined by Nitro Gear & Axle. Improve your axle rotation and torque with the Nitro Gear & Axle Ring Gear and Pinion Kit - 3.73 Gears. This dynamic piece fits the bill with precision engineered, computer heat treated parts, along with a CNC triple-lapped build made using industrial grade 8620 steel, equipped with a 30-spline pinion and a 3.73 gear ratio.

      Quiet Operation. This American-made ring gear and pinion kit is designed to offer a smooth and quiet operation. Additional specifications include a ring gear diameter of 8.80 inches.

      Warranty. Nitro Gear & Axle guarantees your product is free from defects in materials and workmanship with a 2-year warranty. Damage as a result of abuse or neglect will not be covered.

      Installation. Handy people can install this product with a hard level of complexity, taking roughly 3 hours to complete. A master bearing kit is highly recommended for high mileage trucks.

      Application. The Nitro Gear & Axle Ring Gear and Pinion Kit - 3.73 Gears is compatible with the 1986-1993 Ford Mustang GT.

      Fitment: 1987 1988 1989 1990 1991 1992 1993 Details

      Nitro Gear & Axle F8.8-373-NG

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Ring Gear
      • (1) Pinion Gear

      Customer Reviews (3)

        Reviews of Nitro Gear & Axle Drivetrain products have an average rating of 4.5 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Mustang

          • GT - 87, 88, 89, 90, 91, 92, 93
          • LX - 87, 88, 89, 90, 91, 92, 93

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