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G2 Axle and Gear 8.5 in. & 8.6 in. Rear Axle Ring Gear and Pinion Kit - 5.38 Gears (07-18 Sierra 1500)

Market Price $293.99 You Save 12% ($34.00)
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$259.99 (kit)

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  • Item S506520

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    Features & Details

    • Made for Performance Application
    • Features a5.38:1 Gear Ratio
    • With an 8.5” Ring Gear Diameter
    • Keyed to 30 Pinion Splines
    • Has 10 Ring Gear Bolts
    • Manufactured Using High-Tensile 8620 Steel
    • Requires Professional Services for Installation
    • Works with Standard Ring Gear Rotation
    • Fits 2007-2018 GMC Sierra 1500 Models
    Make the Most Out of Your Engine Torque. Add some serious torque to your wheels with G2 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit’ massive 5.38:1 Gear Ratio. This is one of the best performance upgrades to really make use of your engine’s power when hauling, climbing or both. The additional torque should also help keep your truck maintain speed even when under load. Furthermore, the added acceleration is a big bonus. While it’s not going to turn your truck into a quarter-mile dragster, but should add a noticeable difference in responsiveness, especially on the low end of the engine’s power band.

    Built to Last. The G2’s Performance Series 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit is forged from 8620 steel that’s machined to perfection. It’s not made just to withstand large amount forces, but to also resist regular wear and tear. Additionally, to reduce friction and abrasion, the mating surfaces are machined and polished to a smooth finish.

    The Help of Mechanic is Recommended for Installation. Pretty much anything related to transmission is not an easy task, that is why seeking the services of professional mechanic is highly recommended.

    Covered with 10 Years Limited G2 Warranty. G2 warrants their gear and pinion to be free from manufacturing defects within the set covered time period. Review G2’s warranty policies for more information.

    Application. The G2 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit with 5.38 Gears will fit 2007-2018 GMC Sierra 1500 models.

    Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Details

    MPN# 2-2021-538

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Ring Gear
    • (1) Pinion Gear
    Installation Info

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