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J&M Extreme Joint Rear Lower Control Arms (05-14 All)

58 Reviews
Our Price

$176.99

(pair)
  • Item #30020
  • MPN# 23942B

  • Market Price $206.99
  • You Save 14% ($30.00)
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Customer Photos
Features
  • Better traction, faster launches, less wheel hop
  • Improve cornering performance
  • Exclusive bind-free design
  • Hassle-free installation requires no modifications
  • Sold as a pair
  • Fits 2005-2014 V6, GT, Bullitt and GT500 Mustangs
Description
See our 2011 GT Project Car Now

Control Your Control Arm Flex. Improve your Mustang's straight line acceleration and cornering grip at the same time with these Extreme Joint Mustang Lower Control Arms from J&M. With your stock lower control arms, the exceptionally soft OEM rubber bushings insure your control arms don't bind, preventing undesirable handling characteristics like snap oversteer. However, if you try to accelerate or stop quickly in your 2005 - 2012 V6, GT or GT500 Mustang and you're likely to experience wheel hop or rear end instability. Control your control arm flex with J&M's Extreme Joint Mustang Lower Control arms and go faster - everywhere.

Better Handling. With J&M's exclusive design, you get the benefits of a rigid bushing, resulting in better straight-line grip, but the performance of a spherical bearing under cornering, so you get the best of both worlds. The exclusive design of these lower control arms features a steel inner ball surrounded by polyurethane outer cups. The result is great traction during straight-line acceleration, and bind-free performance during spirited cornering for predictable grip.

Quality. Though harder to work with, J&M selected round tubing for its superior strength and resilience to bending and torsion when compared with rectangular or square tubing, while also being lighter. With an offset design to guarantee bind free geometry, these lower control arms are the perfect suspension upgrade to your 05-14 V6, 05-14 GT or 07-12 GT500 Mustang.

Mustang Fitment: 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Details

What's in the Box
Hardware included:
  • (4) Polyurethane bushings
  • (2) Short zinc-plated steel sleeves
  • Polyurethane grease
Installation Info
Will it fit my Mustang?
  • Boss 302 - 12, 13
  • V6 - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
  • Bullitt - 08, 09
  • GT - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
  • GT500 - 07, 08, 09, 10, 11, 12, 13, 14

Most Helpful Reviews Read All Reviews

Overall Rating 4.9/5 Write a Review
5/5
No more wheel hop!

(NOTE): These are just as good as the expensive ones-very solid and Energy Suspension bushings. Install was quick (Get new bolts & nuts from Ford). Down to the dirty...When people say wheel hop, they

Read More
Helpful (15) (0)

5/5
One drive will make you a believer!

Here in metro Detroit there are lots of terrible roads that would make the rear end of my 2005 GT hop and shudder like a clumsy piece of junk when I tried to drive fast over them. Well, my first drive

Read More
Helpful (9) (0)

Customer Photos (13) View All Customer Photos

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Q & A (4 Questions, 10 Answers) Ask a Question

lowering If I decide to lower my car would these effect my traction in a negative way since they are not adjustable?

ebgonzalez1 Year: 2012 Model: V6

Question Resolved
Good Question (0) (0)
  • No, I had these on my stang prior to lowering and kept them after. Traction is still improved if anything being lowered and with these it still feels as tight as some with adjustable arms that I have driven.

    Helpful (0) (0)

    Dameon Year: 2011 Model: GT

    Top 100 Contributor

Show 1 more answer

Alignment? I didn't think so, but now I'm not sure. Do you need an alignment after installing these?

MarkL Year: 2006 Model: GT

Question Resolved
Good Question (0) (0)
  • Nope. Its a simple bolt on

    Helpful (0) (0)

    Best Answer

    jmfasc Year: 2003 Model: GT

Show 4 more answers

Would this effect the traction control in adverse conditions? I'm sure this is a stupid question but my 2012 5.0 with 3.73 gears has entirely to much wheel spin but living in Alaska when I push the magic button during winter snow (traction control) the car is simply amazing. Was just wondering if this product would hurt that?

akbandito Year: 2012 Model: GT

Question Resolved
Good Question (1) (0)
  • No, it will be fine. I have tested it out already.

    Helpful (0) (0)

    DMCAP Year: 2013 Model: Boss

    Top 1000 Contributor

Show 2 more answers

Reviews (58) Write a Review

  • 5 Stars .88 88%
  • 4 Stars .10 10%
  • 3 Stars .02 2%
  • 2 Stars 0 0%
  • 1 Stars 0 0%
4.9

out of 5 stars

55 Customers Recommend this Product

Installation Time:Afternoon

Installation Cost:0-$100

  • Handling Improvement: 4.645833 4.6/5
  • Fit: 4.8125 4.8/5
  • Bang For Your Buck: 4.659575 4.7/5
Filter By Sort By
  • 5/5 Yes, I recommend this product

    June 14, 2011

    No more wheel hop!

    (NOTE): These are just as good as the expensive ones-very solid and Energy Suspension bushings. Install was quick (Get new bolts & nuts from Ford). Down to the dirty...When people say wheel hop, they also mean when you take a corner and the rear bounces out over a bump. You know the drill; lifting on the throttle around a bumpy corner so the end doesn't bounce around and slide out. These will cure most of that issue if not all of it. First test drive and I had none of that issue anymore. The car became very predictable and I no longer braced over bumps. Rear end is more controlled and because of that, my grip increased.

    Richard

    Year: 2007 Model: GT Driving Style: Daily Driver

    Helpful (15) (0)

  • 5/5

    May 28, 2012

    One drive will make you a believer!

    Here in metro Detroit there are lots of terrible roads that would make the rear end of my 2005 GT hop and shudder like a clumsy piece of junk when I tried to drive fast over them. Well, my first drive after installing these control arms was a revelation. I immediately headed for a really bad section of road to see how they would do, and was amazed. The rear end stayed planted over all but the biggest bumps and broken sections, and even then it only hopped a little bit. Hard launches were a breeze, with no more hopping or shuddering just wheelspin! Because the rear suspension is so much tighter and more precise it makes the whole car drive better. Handling feels much sharper with the vague feeling from the axle gone - I really felt the difference when taking on-ramps! I honestly can't think of any negatives to these control arms. They ride nicely and are very quiet, and can be installed in less than 2 hours if you have someone to help you. Bottom line - if you still have stock lower control arms on your car, spend the $175 and get these. Beg, borrow or steal if you have to, you will not be disappointed!

    akrump47

    Year: 2005 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1 Detroit MI

    Helpful (9) (0)

  • 5/5 Yes, I recommend this product

    June 14, 2011

    The Perfect LCAs

    I had some hope that these LCAs would help with the traction issues, and it helped big time. My launches before were a "squat and go", but after the installation, there is little "squat" and a lot of "go". I have to mention that the passenger-side LCA gave me and a friend of mine the hardest time - it didn't line up with the bracket on the chassis. I needed 3 people to push the entire rear assembly forward just to have someone put the bolt in. Other than that, I'm very happy with these LCAs. There's no comparing these LCAs to the stock ones.

    Dustin M

    Year: 2009 Model: GT Driving Style: Street / Strip

    Helpful (5) (0)

  • 5/5 Yes, I recommend this product

    January 09, 2010

    Throw away your stock Lower Controle arms

    These control arms function better than I ever thought possible. The car is smother , corners better and accellerates better. The squeeks went away now that the suspension can work without binding or flexing the stock control arms. The instructions had pictures and not all the references in the text appeared to align with the pictures but if you do what the picture shows you will be able to install these in about an hour.

    Michael Hogan

    Helpful (5) (0)

  • 5/5 Yes, I recommend this product

    January 28, 2012

    Great quality, great price, a must have for your S197!

    I have yet to upgrade any suspension component on my '11 GT and I bought these with one goal - eliminate wheel hop. The only reason I gave this a 4/5 for handling improvement is because wheel hop was significantly reduced, but not 100% eliminated. Granted, the Pirelli summer performance tires that came with the Brembo package have little tread and I was driving on moist roads in 30 degree weather. I experienced some wheel hop with those conditions when launching really hard from first. However, in those same conditions, I have yet to cause wheel hop when downshifting. Even for the "sweet spot" - shifting into 2nd and 40mph. It just bites the road. Cornering feels more planted and is much more confidence inspiring. It feels more predictable and more solid. I would recommend having a friend to help. Unless you're a beast and can position the rear axle with one hand, while guiding the bolt into the control arm lol. Other than that, I didn't run into any issues during the installation. Overall, a superb product!

    Maretchek

    Year: 2011 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1 West Bloomfield, MI

    Helpful (4) (0)

  • 5/5 Yes, I recommend this product

    April 24, 2014

    Fantastic Difference

    My GT500 has about 650 hp at the crank and I can hook it now in most of 1st, 2nd, and all of 3rd gear with the factory Goodyear tires. Unbelievable how much traction these give. Car also feels better; doesnt fishtail, shimmy, or skip around at all anymore. Install was a piece of cake. Don't waste your time with new tires until you install these. I can take off from a light and really get on it and not worry about spinning the tires, and when you corner the back end stays tight and hugs the curve. The effects of these arms on the car are absolutely fantastic.

    ShelbyDriver

    Year: 2007 Model: GT500 'Stangs I have owned: 1 VA

    Helpful (3) (0)

  • 5/5 Yes, I recommend this product

    February 13, 2012

    Hop-B-Gone

    I really loved putting these control arms on my Stang, i did go to Ford and buy new bolts and nuts I really suggest doing so the rear bolts looked fine however the front bolts has some marks on the threads. The new arms fit perfectly and once I got driving I tried a few launches and it was amazing how much of a difference there was while i still have alot of wheel spin it stayed planted and gripped up much sooner. Cornering is much tighter and feels much more confident. I am very happy and really recommend these to anyone looking to get a great lower control arm with a lube point. Oh, that reminds me the energy suspension bushings that come with them are fantastic.

    Top 100 Contributor

    Dameon

    Year: 2011 Model: GT Driving Style: Street / Strip 'Stangs I have owned: 1 El Paso, TX

    Helpful (3) (0)

  • 5/5 Yes, I recommend this product

    January 28, 2012

    J&M lower control arms

    If you want to improve the traction and handling without putting new springs and shocks on your car then i recommend the J&M extreme control arms. Why? because the amount of sway that the stock arms give is terrifying in the corners, and the amount of wheel hop is annoying while accelerating but with the J&M you have no sway, so much more confidence in the corners and no more wheel hop. Installation is easy part from the parking brake cable goes through the old control arms so disassemble takes some time. For guys who like to show their stang the corners at much higher speeds without spinning out you have to get the J&M Extreme!!!

    DanB

    Year: 2005 Model: GT Driving Style: Street / Strip 'Stangs I have owned: 3 abbotsford B.C

    Helpful (3) (0)

  • 5/5 Yes, I recommend this product

    June 07, 2010

    EXCELLENT Prouct!

    This is a must if you lowered your car at all. Before installing I noticed more noise and a mild clunk in th back, but after installing these everything is much quieter and smoother.

    James Y

    Helpful (6) (2)

  • 5/5 Yes, I recommend this product

    April 14, 2010

    Extrem LCA

    Great product for recently lowered 08 GT with H&R springs.Product definitely helped with ride quality after drop.You NEED these especially if you drop the car.A significant increase in handling and stability is noticed immediately.Install was about 32 min can't beat that.Polyurethane bushings are the way to go.I am very pleased with the end result.You wont regret it.

    Martinez

    Year: 2008 Model: GT

    Helpful (2) (0)

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