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G2 Axle and Gear 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 3.73 Gear Ratio (99-18 Sierra 1500)

Item S506513
G2 Axle and Gear 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 3.73 Gear Ratio (99-18 Sierra 1500)
Verify parts fit and get product recommendations.
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Our Price

$225.99 (kit)

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Ideal for Performance Applications
      • Comes with a 3.73 Gear Ratio
      • Has a 8.5 in. and 8.6 in. Ring Gear Diameter
      • Features a 30-Spline Pinion
      • 10 7/16” x 20 LH Ring Gear Bolts
      • Made from Forged 8620 Steel
      • Professional Installation Recommended
      • 10-Year Limited Warranty
      • Fits 1999 to 2018 GMC Sierra 1500 Models

      Description

      Designed for Performance Applications. Modern performance applications can easily outpace the capabilities of stock components. With the G2 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit with 3.73 gear ratio can support the load of your application. It’s designed according to tight OEM specifications. This ensures a perfect fit for easy installation. Furthermore, the kit is designed to be durable with a high heat tolerance and low road noise.

      High-Quality Gears. The G2 Rear Ring Gears and Pinions are precisely machined using the latest manufacturing technology. Made from high-grade forged 8620 steel and heat-treated to make it as tough and durable as possible. Furthermore, the surfaces are lapped for a smooth finish that reduces friction and road noise.

      Professional Installation Recommended. Installing the kit requires specialist equipment and high mechanical expertise. G2 recommends that installation is performed by a reputable professional mechanic.

      Backed by 10-Year Limited Warranty. G2 warrants the 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit to be free of defects in workmanship and materials. Exclusions will apply.

      Application. The G2 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit with 3.73 gear ratio is designed to fit 1999 to 2018 GMC Sierra 1500 models.

      Shop All Truck Parts And Accessories

      Shop All Truck Drivetrain Parts

      Shop All Truck Gears: Ring And Pinion

      Fitment:

      G2 Axle and Gear 2-2021-373

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Rear Ring Gear
      • (1) Pinion Gear
      4.9

      Reviews of G2 Axle and Gear Drivetrain Products (71)

      Brand Image

      Reviews of G2 Axle and Gear Drivetrain products have an average rating of 4.9 out of 5

        Questions & Answers

        10 More Questions

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