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The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Right Side (15-18 All)

Market Price $629.99 You Save 10% ($63.00)
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  • Item 384853
  • MPN# RA8506X4

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    Features, Video & Details

    • Upgrade Halfshaft Assembly
    • Rated Up to 800 Rear Wheel Horsepower
    • 108mm CV Joint with Full 300m Billet Chromoly Cage
    • Ovaco 300M Alloy Steel Center Bars
    • Cold Rolled Splines - Stronger Than Standard Cut Splines
    • Right Hand - Passenger Side
    • Sold Individually
    • Fits All 2015-2018 Mustangs with 8.8" IRS Rears

    Review & Installation Video

    Review & Install Video

    What's up, guys? Stephanie with AmericanMuscle.com, here with these upgraded Halfshaft Axle Assemblies from The Driveshaft Shop for 2015 and up Mustangs. The upgraded halfshafts are going to be a good option for any S550 owner that's worried about running into trouble with the factory halfshafts. Have you been hitting the drag strip at all? Or even if you've just been keeping an eye on what's been going on, then you're probably aware that the S550 stock halfshafts are a weak point, and they need to be upgraded, even if you currently have minimal mods. All it really takes is some time with a drag radial, and you're out of the lanes or off the streets until you're fixed up. DSS gives you two options for the 8.8 IRS Rear, depending on what you need in a halfshaft. The first upgrade over a stock is actually going to be these halfshafts here that are rated up to 800 horsepower, so you have a lot of room to grow into these if you plan on some more mods down the road. And let's face it, more mods is usually always an option. The other option from DSS are halfshafts that are rated up to 1400 horsepower if 800 isn't enough for you, and you're building something serious. There are some pretty cool things going on with both of these options, though, since DSS pretty much upgraded every component of the halfshaft. And I'm going to try not to geek out too much here, but I'll start with the material that's used for the center bars. This is a 300M alloy steel, which is a modified steel that has a high hardenability, strength, and toughness. Another cool thing here is that the center bars are done with a C&C spline rolling process. DSS did this because rolling the spline instead of using material cutaway is a way of compressing and forging the spline making it stronger. Next is the whole CV area, from the billet CV mounts to the joints themselves, to the billet chromoly cages and raises, and even an upgraded grease and boot, high durometer neoprene boot to be exact. Now all of this is a lot of technical talk, but basically, these are some seriously beefy halfshafts that are made to handle abuse, and this isn't coming from just me. There are some record holding cars out there that are testing these products. These are a couple pounds heavier than the factory halfshafts, so they do cause a small weight gain, but I think that the benefits outweigh the weight gain here. Something like this is needed in order to be reliable on the street, or at the dragstrip, or if there's a lot of hard driving going on. So looking at price, the 800 horsepower rated halfshafts are going to cost just under $600, and if you want to go a step up from that and hit up the 1400 horsepower option, you're looking at about $200 more. Ford racing is the only other company out there right now that is competing with the DSS halfshafts, and they do have a couple of different features, so feel free to check those out too, but they are more expensive. The install can be considered difficult with this one, and I'm going to call it a three out of three wrenches on the scale. I would take this to a shop for the install if you don't have any prior experience in this area since it does involve a lot of work. But if you do decide to tackle this yourself, a lift and a second set of hands can go a long way in helping you with this. You will need a handful of different sockets, wrenches, and miscellaneous tools, as well as a torque wrench, and you can plan on about an hour or two per side, depending on if you have some help, and are working off of a lift or not. Wrapping things up, the DSS Halfshaft Axles for the S550 Mustang are a beefy upgrade over the factory halfshafts when we look at both materials and construction. They're one of the only upgrades that are currently available, and they're rated at either 800 or 1400 horsepower. I'd suggest checking these out more online and seeing what you think for yourself. I'm Stephanie, and for all things Mustang, keep it right here at AmericanMuscle.com.

    Performance Upgrade. If your S550 Mustang is heavily modified, your stock half shafts might be too weak to take the additional punishment. But after installing Axle Half Shafts from The Driveshaft Shop you will be sure to get all your Pony's power and torque firmly planted to the pavement - where it belongs. The Driveshaft Shop half shafts are designed to handle up to 800 horsepower at the rear wheels.

    Superior Quality. Using their time-tested dependable 108mm CV joints that has a full 300m Billet Chromoly cage, The Driveshaft Shops Axle Half Shafts center bar is constructed from Ovaco 300M alloy steel for superior strength and features cold-formed rolled splines which are much stronger than standard cut splines. All this along with Neo HPCC1 grease and higher durometer Neoprene boots means these axles can handle just about anything you can throw at them.

    Application. This Passenger Side Axle Half Shaft from The Driveshaft Shop is specifically designed for use on the 2015-2018 S550 Mustangs that are equipped with the stock 8.8" Independent Rear Suspension (IRS), including V6, EcoBoost and GT models. Sold individually.

    Fitment: 2015 2016 2017 2018 Details

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

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    4 Questions / 6 Answers

    Ask a Question

    are these 34 spline go with new cast iron differental with lsd

    Bradley

    Can the axles length be custom made for our application.

    DavidL

    • The Driveshaft Shop Half-Shaft Axle Upgrade which rate to 800 HP will only be available in the factory length. At this time we do not have custom lengths available.

      AMCoalSVT

    Helpful (0)

    Anything else I need for the install? Or is it a direct replacement. Thank you

    Joe

    • The The Driveshaft Shop Half-Shaft Axle Upgrade is a direct replacement for the factory half shafts and do not require anything additional for installation. Each Half-Shaft is sold separately and would need to purchase the right side as well. Down below I will include a link to an installation guide for the ford performance half-shafts: https://performanceparts.ford.com/download/instructionsheets/FordInstShtM-4130-M.pdf

      Rob S

    Helpful (0)

    hey. do i need to buy two, for the left and right side? or how do they work. thaks.

    Mohd

    • The The Driveshaft Shop Halfshaft Axle Assembly is sold individually and is specific to right/left side. The left side axle can be found under part number 384852

      Rob D

    Helpful (0)

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    Customer Reviews (28) Write a Review

    Overall Rating 4.7

    out of 5 stars

    Installation Time:Afternoon

    Installation Cost:$250-$500

    • Handling Improvement 4.541667 4.5
    • Fit 4.958333 5.0
    • Bang For Your Buck 4.666667 4.7



    • 5/5

      Installation Time: Afternoon

      June 22, 2018

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      Had great luck with them

      This is my third set, (3rd build never broke one). All turbo automatic cars leaving off transbrake, all making mare then 800 rwhp, zero failures Going to push this set into the 8’s so we’ll see Great products, as good or better then advertised, and they fit well

      MikeF

      Year: 2018 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      June 07, 2018

      Beefier 1/2 shafts

      Its a good thing to have a stock car make so much power that its able to snap its stock, hollow (yes, OEM ones are hollow), and wimpy 1/2 shafts. Its also a bad thing, I mean come on Ford, why give us wimpy hollow one's? If you are planning on running a drag radial or slick, you'll need these, even if you're just tuned or staying around stock power levels. Yes, the stock one's will break like a toothpick if you get traction, and yes, if you wanna make your car truly go fast, you'll need these. Install on my '18 took less than 3 hours for both sides, I also replaced the wimpy stock vertical links at the same time. These 1/2 shafts are noticeably heavier than stock, but making the swap is pretty straightforward and easy, its all unbolting stuff. I recommened watching an install video for all the torque specs that you will need once putting everything back together. I highly recommened these beefier 1/2 shafts if you plan on racing or running a DR or slick.

      Rushman

      Year: 2018 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      June 05, 2018

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      Great Purchase

      Easy to install, all hardware included. Not afraid to break a half-shaft now. I have a Procharger installed. Like having extra piece of mind when I put the power down.

      Nic

      Year: 2015 Submodel: GT

      Helpful (1)

    • 5/5

      May 28, 2018

      Beefy

      Way thicker than stock. These axels should have no problem holding up to the 800hp claims.

      RobertS

      Year: 2017 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      May 28, 2018

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      Beefy

      Way thicker than stock. These axels should have no problem holding up to the 800hp claims.

      RobertS

      Year: 2017 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      May 06, 2018

      Amazing !

      Great product! I haven’t had any issues since i install them.

      Gustavo

      Year: 2017 Submodel: GT

      Helpful (2)

    • 1/5

      Installation Time: Afternoon

      March 22, 2018

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      Poor quality control

      My SC GT broke the right side shaft on its 3rd trip down the local track. Contacting DSS I was told there were some made with faulty steel. After a $300 additional deposit, Im waiting for a new CV joint so that I can rebuild the shaft myself, and pray the other 3 joints don't also fail. Great service.

      Buellitt

      Year: 2016 Submodel: GT

      Helpful (3)

    • 5/5

      Installation Time: Afternoon

      February 28, 2018

      Great shafts for the price

      A great produce for the price. Definitely weighs more that stock but it is worth the trade-off to know that these won’t break as easily when the clutch is dropped with slicks

      Jokers2012Boss

      Year: 2016 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Full Day

      February 08, 2018

      Peace of mind

      Having a boosted car, I understood these shafts were the most likely source of failure once I actually get traction and push it. I didn’t believe I’d be capable of installing them, but referring to a couple of how-to videos and taking my time, i did it! The second side went much much faster and I now believe I’m ready for my first track day!!

      Buellitt

      Year: 2016 Submodel: GT

      Helpful (3)

    • 5/5

      Installation Time: Afternoon

      February 06, 2018

      Easy half shaft install.

      This install was not difficult at all. I used a jack and jack stand. I had no help and completed each side in 1 1/2 hours. A few words of advice, use a pick to clean the threads on everything. There will be factory thread lock left in various parts. The video shows to use a pry bar to separate the half shaft from the differential. I pulled it a few times and the force separated it for me. Make sure you get a deep socket for the half shaft nut. I had a regular size socket and had to buy a new one. I also made it a point to double check to make sure the Allen bolts were right before the install. The factory shaft looked bigger and beefier than the new one. The new ones look well built. In the picture the stock shaft is the dirty one.

      Sunny

      Year: 2017 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      November 05, 2017

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      works great

      Took them racing .28 inch slicks. Launched as hard as I could. No problems. stock halfshaft broke it didn't like slicks

      franko2

      Year: 2015 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      November 02, 2017

      works as expected

      Broke stock halfshaft on the launch. bought dss .launched hard several times no problems.

      franko2

      Year: 2015 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      October 01, 2017

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      Don’t snap your stock driveshaft

      Just to keep the.integraty of the mustang in check and feeling safe when I get in these little races I installed these half wheel axels. Now I know safty and realibilty is in my lane....

      DonM

      Year: 2017 Submodel: GT

      Helpful (3)

    • 2/5

      Installation Time: Afternoon

      September 07, 2017

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      DSS Cv Axles are MEH at best

      Istalled a set on 2015 Track Pack with a whipple and few other upgrades, initial inspection 100 times better than stock, after install(was easy took like 2 hours tops), works great BUT after 500 miles the bolts backed out, called DSS they make you ship them back so they can "retorq them", put them back in and 500 miles later bolts (allen head bolts to inner joint) back out AGAIN, their only fix take them out ship to them and retorq and ship back to you! just shy of 500 guess what backed out AGAIN, take out pull all of them put red locktight on retorq and they backed out AGAIN!! DSS insists we send them back AGAIN on my dime, so they can "retorq" again, going back to stock until I can find a better product. this is ridiculous.

      JoeB

      Year: 2015 Submodel: GT

      Helpful (9)

    • 5/5

      Installation Time: Afternoon

      July 01, 2017

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      Great addition

      Car now launches easily and now more wondering if it when the halfshalfs would snap.

      Romeo719

      Year: 2016 Submodel: GT

      Helpful (3)

    • 5/5

      Installation Time: Less than 1 Hour

      April 07, 2017

      Solid Product

      Stock ones feel like wood when you pick them up.. Driveshop axles feel like it's made for this car.. Haven't track them yet but I know these axles can take a 5k launch..

      Rath

      Year: 2016 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      February 08, 2017

      Nice!

      Very sturdy construction. I can't wait to get this on my car with my new gears and driveshaft.

      CoreyA

      Year: 2015 Submodel: EcoBoost

      Helpful (5)

    • 5/5

      Installation Time: Shop Install

      Installation Cost: $250-$500

      February 06, 2017

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      Smart upgrade

      Upgraded to these axles because of Roush supercharger. Didn't want to blower up the stock axles with the extra HP! Very well made, look plenty beefy.

      Bradbus

      Year: 2016 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Less than 1 Hour

      December 09, 2016

      Great Upgrade over stock

      These are much beefier than the factory axles. Used them in my car with 6K rpm launches and 1.6 60ft with no issues at all. Quality product.

      Cobra99Dave

      Year: 2016 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Less than 1 Hour

      December 09, 2016

      Review from The Driveshaft Shop Half-Shaft Axle Upgrade - 800 HP Rated - Left Side (15-18 All)

      Great Upgrade over stock

      These are much beefier than the factory axles. Used them in my car with 6K rpm launches and 1.6 60ft with no issues at all. Quality product.

      Cobra99Dave

      Year: 2016 Submodel: GT

      Helpful (4)

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