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Ford Performance GT350 Half Shaft Kit (15-18 All)

Market Price $446.99 You Save 12% ($51.99)
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$395.00 (kit)

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  • Item 397730
  • MPN# M-4130-M8S

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    Features & Details

    • OE Equipment
    • Increased Diameter Left Side Half Shaft Compared to Mustang GT
    • Handles Improvements Resulting in Increased HP
    • Includes Both Left and Right Half Shafts
    • Made in USA
    • Requires Expert or Professional Installation
    • Fits All 2015 to 2018 Ford Mustang GT350s
    A Valued Priced Upgrade. If you have installed performance upgrades on your 2015-2018 Mustang GT350, you might be worried about what effect its increased power will have on your Pony’s half shafts. The Ford Performance Mustang GT350 Half Shaft Kit is a valued priced upgrade that is recommended after doing mild drivetrain modifications or naturally aspirating engines. These shafts are designed and manufactured in the USA.

    Both Sides Included. This half shaft kit includes both left and right half shafts. The left shaft has an increased diameter, which is larger than regular Mustang GT half shafts. These half shafts are original equipment of Mustang GT350s built from 2015 and up.

    Tech Note. When installing this half shaft kit, it is recommended to also replace your IRS bearings and seals for the best results.

    Expert Installation Required. This kit requires expert or professional installation.

    Application. The Ford Performance GT350 Half Shaft Kit is engineered for installation on 2015-2018 Ford Mustang GT350 models.

    Fitment: 2015 2016 2017 2018 Details

    What's in the Box
    • (1) Left Hand Side Half Shaft
    • (1) Right Hand Side Half Shaft
    Installation Info
    Tech Specs
    Will it fit my Mustang?

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    4 Questions / 4 Answers

    Ask a Question

    I'm looking to upgrade my 2015 V6 Speed from 3.15 gears to 3.55's. Are these the 34-spline half shafts I need to buy if I'm also getting the "Ford Performance IRS Loaded Differential Housing 3.55" you offer? I'm upgrading the car for road track use and will keep it naturally aspirated, so these half shafts should be fine, correct? Thanks!


    • The Ford Performance GT350 Half Shaft Kit will be compatible with the Ford Performance IRS Loaded Differential Housing. These Half shafts will work excellent for a car like your's.

      Rob D

    Helpful (0)

    I have a 2017 gt. Not a 350. Will it fit a basic mustang gt or does it only fit gt350’s?


    • The Ford Performance GT350 Half Shaft Kit will work on the 15-18 GT models as well.


    Helpful (0)

    What is the horse power rating for these?


    • The Ford Performance GT350 Half Shaft Kit is made to withstand the 526 horsepower that the GT350 puts out stock. After that it would depend on the number and how the car is driven.

      AM MikeW

    Helpful (0)

    I have a 2016 gt with bolt ons, nitto n555r and a 100 wet shot on a plate kit. Do you think these half shafts could hold roll racing?


    • When using drag radials or drag slicks, we recommend a stronger axle, as the shock load applied to axles when launching hard on sticky tires can be very extreme. The Ford Performance GT350 Half Shaft Kit are stronger than stock, but may not handle large numbers of hard launches on sticky tires.

      Rob D

    Helpful (0)

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