Eibach Spring Pro-Kit Set GT 2015-2017

Eibach: 35145.140
MSRP: $327.00
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Eibach Spring Pro-Kit Set GT 2015-2017
Eibach Spring Pro-Kit Set GT 2015-2017 Eibach Spring Pro-Kit Set GT 2015-2017 Eibach Spring Pro-Kit Set GT 2015-2017 Eibach Spring Pro-Kit Set GT 2015-2017 Eibach Spring Pro-Kit Set GT 2015-2017 Play Eibach Spring Pro-Kit Set GT 2015-2017 Video 1 Play Eibach Spring Pro-Kit Set GT 2015-2017 Video 2

Product Description

Set of Four Eibach Pro-Kit Springs for 2015, 2016 and 2017 GT Mustangs.

Eibach Pro-Kit springs are some of the best when it comes to lowering your 2015-2017 Mustang GT. These kits include some of the best springs that Eibach has ever made, along with compatible bump stops and dust boots so you can get everything you need in one package. That way, you can lower your ‘Stang’s center of gravity, improve its overall handling, and ride more comfortably all with one simple kit.

Eibach springs are some of the most popular products to use to lower your Mustang and get the handling you’ve always wanted. At CJ Pony Parts, we’re proud to offer the best possible prices on these high-quality, performance-crafted springs. If you want your 2015-2017 GT Mustang to stand apart from the rest of the herd, grab your Set of Four Eibach Pro-Kit Springs for 2015-2017 GT Mustangs from CJ Pony Parts today.

This awesome spring system will dramatically improve your Mustang’s performance while simultaneously providing a new and aggressive stance! Eibach Pro-Kits are designed specifically for the 2015-2017 Mustang GT. Their durable, progressive, and responsive springs offer you more than handling too — they offer comfort. That means that you and your passengers can enjoy your ‘Stang when you’re hugging tight turns, instead of sliding to the side of your Mustang’s cab.

But there are other benefits to lowering your car with Eibach Pro-Kit springs, all of which give you an outstanding value for your dollar. You can accelerate and brake better than ever before since these springs reduce tension placed on your back wheels when you’re gunnin’ it and make it easier on your front wheels when you’re stopping. All in all, that means your Mustang drives better, handles like a dream, and maintains the integrity of its parts for much longer than a stock model.

And all because you bought the right suspension springs!

Eibach Pro-Kit Springs Features and Benefits:
- Proprietary, Progressive Spring Design
- 1.1” Front and 1.0” Rear Drop for GT Mustang
- Lower Center of Gravity
- Reduce Squat During Acceleration
- Limits Excessive Nose-Dive When Braking
- High Performance and Fierce Appearance
- Reduces Body Roll While Cornering
- Excellent Ride Quality
- Corner Faster, Stop Quicker and Handle More Precisely
- Improved Aerodynamic Efficiency

These springs will reduce squat during acceleration, limit nose-dive while braking, reduce body roll during cornering and maneuvering and also reduce excessive fender-well clearance, making your Mustang look just as impressive as it performs. By using an advanced proprietary, progressive spring design, these performance springs provide the ultimate balance to take your passion for driving to a whole new level. The lowered ride height helps to distribute stress evenly and provide an improved ride quality. When combined with Plus-1 or Plus-2 wheels and tires, the Eibach Pro-Kit Springs become that extra special touch for great, all out performance and appearance results in your 2015-2017 GT Mustang!

The ride height will move a welcome 1.1” lower towards the ground when you install these high-quality Eibach Pro-Kit Springs for 2015-2017 GT Mustangs. As everyone has learned from racing and independent testing, lowering your vehicle’s ride height improves the aerodynamic efficiency by forcing more air over the car and less underneath, where most of the drag is found, resulting in higher top speeds on the track and better MPG on the highway.

Tech Tip: CJ Pony Parts recommends getting an alignment after installation to ensure your Mustang's specs are in check. Otherwise, your tires may wear improperly. If you check the manufacturer’s instructions below, alignment specifications are provided for your convenience.

Front End Alignment Specifications:
- OE Camber: -0.8 deg (+/- 0.8 deg)
- OE Caster: 7.2 deg (+/- 0.8 deg)
- OE Toe: 0.0 deg (+/- 0.2 deg)
- Pro-Kit Camber: -1.0 deg
- Pro-Kit Caster: 7.5 deg
- Pro-Kit Toe: 0.2 deg

Rear End Alignment Specifications:
- OE Camber: -1.2 deg (+/- 0.8 deg)
- OE Caster: N/A
- OE Toe: 0.1 deg (+/- 0.2 deg)
- Pro-Kit Camber: -1.4 deg
- Pro-Kit Caster: N/A
- Pro-Kit Toe: 0.2 deg

*These springs are not intended for use on V6/EcoBoost Mustangs.

This Set of Four Eibach Pro-Kit Springs is the perfect answer for most street driven cars that want to step up the handling and control levels for great performance results combined with a great new appearance. Each Set of Eibach Pro-Kit Springs are designed and tested by suspension engineers and performance driving professionals to deliver intimidating good looks and high performance handling, without ever compromising the safety or ride quality of your 2015-2017 GT Mustang.

CJ Pony Parts is only place where you will find Eibach Pro-Kit springs at such an affordable price. If you want more precision-handling and high-performance parts, we carry tons of other Eibach parts to go with your springs.

If you have any questions while you’re shopping, feel free to ask our veteran staff of Mustang experts whatever is on your mind. They’re constantly on call with all the answers about our products, vendors, and purchasing pages, and they can help make sure that you make a good purchase for your 2015-2017 Mustang GT.

In addition, when you place your order before 5 PM EST, we can guarantee that we’ll get your Eibach Pro-Kit springs on the next delivery truck out of our warehouse so it can get to your doorstep faster than anywhere else. Best of all, we can even do it for free most of the time! There’s no minimum order requirement, no hidden fees, and no tricks — we’re just dedicated to giving you and the rest of our customers the best possible experience whenever you shop with us.

Order a set of Four Eibach Pro-Kit Springs for your 2015-2017 GT Mustang from CJ Pony Parts and start enjoying the benefits of more control, a smoother ride quality and an impressive new look today!

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Installation Instructions

Mustang Installation

Difficulty: Moderate

Mustang Applications

This product will fit the following Mustang years:

Product Reviews

Write a review
Eibach Spring Pro-Kit Set GT 2015-2017 is rated 4.7 out of 5 by 13.
Rated 5 out of 5 by from 2015 Mustang pro springs I got this kit and did the install at home without a lift. No problems and I would say you don't need to be a pro mechanic buy any means, just be safe with a car on jacks. I use the wheels under the car as an extra precaution. Now I have the performance package with the upgraded suspension components and I was surprised at how much better the car handles. I live in a an area with roads that people drive long distances to drive on (sport bikes, sport cars ect) For the money this is pretty much a must do mod. imo. The down side is that I will be using up tires because of how hard I car push the car now.
Date published: 2015-03-31
Rated 5 out of 5 by from Great, but tough install Car looks fantastic when installed, getting compliments from everybody who sees it; also seems like it handles better, but still breaking in, so haven't pushed it. My '15 has the Track Pack, already with heavy duty suspension components, and that might be the problem. Getting these springs in was not a big deal. However, getting the OE stuff out was a bear: getting RR spring out was really tough, requiring the use of unsanctioned tools and techniques to get out (strangely, LR was much easier, but still not in line with the video); getting the splined bolts out was impossible. Had the dealer do that, and learned that the tech had to put one spring compressor on the fronts to relieve pressure on the splined bolts so that they could be tapped out as shown in the video. So the product is great in appearance and function, but if you have the Track Pack, get ready for a very full day.
Date published: 2015-01-08
Rated 5 out of 5 by from Looks and feels great No tire rub to report with tire spacers. 20mm. Easy install just like in the video. Only issue I had was with my KOOKS exhaust. I had to remove the right muffler to be able to remove one of the bolts.
Date published: 2015-10-29
Rated 1 out of 5 by from WARNING!!! These springs will make lots of sounds! I bought these springs about a month ago for my 2015 Mustang GT. At first all seemed great they made the car looks great. Then they slowly started making creaking sounds from the rear, then the front, then springing sounds started (all of this while moving slowly). Then it got worse and now every time I turn the wheel while moving I hear a bumping/creaking and a springing sound. I had these installed by a professional tech, I also had Ford look at this when I started getting the sound and they said the install looks perfect, they greased all the bushings but that did nothing. Now between buying the springs, getting them installed, getting an alignment and having it looked at for this issue… I have spent almost $800 and my brand new 2015 Mustang sounds like it’s 40 years old when I turn the wheel or even hit the slightest bump at 2-5mph. I called Eibach, opened a case with them. They are now claiming “it’s probably just the bump stops” and they “don’t warranty noises caused by their springs”. DO NOT BUY!! Unless you want your new Mustang to sound like an old creaking and springing beat up Pontiac Grand Am. Your call.
Date published: 2015-05-14
Rated 5 out of 5 by from Proper stance Just right amount of drop, looks lowered but not too low that parking and driveways becomes a headache. I notice a slight squeak when going up a driveway at low speeds, maybe it's needs some breaking in time.
Date published: 2015-05-03
Rated 5 out of 5 by from Aggressive look! Fills the wheel well nicely. Gives my GT a more aggressive look - I love it! I did have my mechanic install these without any major issues. The ride comfort is similar to the stock springs - firm. I am having problems finding a place that will put this lowered Mustang (by 1") on their alignment rack, so be aware.
Date published: 2015-03-24
Rated 5 out of 5 by from Gotta have it Eibachs was what I used on my 2005 ROUSH mustang and now on my 2015 mustang gt . It was perfect back then and still perfect today ! Rides nice and a bit more firm than stock
Date published: 2015-03-26
Rated 5 out of 5 by from Perfect Drop I just got these installed on my 2015 PP. The springs give a perfect drop... enough to close the fender gap without making the car so low that speed bumps and driveways are a problem. The car seems to handle better too. There is no float, and the car just feels tighter overall. I had these installed by my Ford Custom Shop and it took quite a while because they had to track down some camber plates due to alignment difficulties. I read a lot about these springs prior to purchase and nobody mentioned the need for additional parts for camber adjustment. There is still a bit of negative camber, but it isn't too bad and is supposed to actually improve handling, though I suppose it will also cause the tires to wear unevenly. Overall, though, I love the look and performance characteristics that these springs gave the car.
Date published: 2015-05-05
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Product Questions

How hard is the install front and back? Time?

Asked by: Cakker234
There is an installation video above the product description. It shouldn't take more than a couple of hours.
Answered by: rk cjpp
Date published: 2017-01-16

Hi. Will be my Mustang GT with Performance Pack lower and better with these springs?

Asked by: Tibi1871
Answered by: CJPP Dave
Date published: 2016-08-22

i missed place my eibach dust boot. Can i reuse my stock bump stop and dust boot?

Asked by: oscar11
We have never tried using the stock boot and bump stop, you may want to contact Eibach and see if they can get you a replacement.
Answered by: rk cjpp
Date published: 2016-03-17

Will these work with the 20mm spacers? 

Asked by: Chevo
If you are asking about 20mm wheel spacers there maybe some tire rub, we have not tested the lowering springs with wheel spacers.
Answered by: rk cjpp
Date published: 2015-10-29


Asked by: FASTLANE
I sounds like an issue with the installation for sure. I'd take it back to where you had it done and report the problem to them and see what a mistake was made. We've not had a problem with our project car that has those springs. We do have installation instructions and a full installation video on our site, which your installer can use as a resource if need be.
Answered by: CJ Pony Parts
Date published: 2015-06-04

Hello, i'm considering a set of lowering springs for my 2015 GT w/PP, can someone tell what will be the major difference in feel, ride, handling,etc, between these brands; Eibach Pro{$245} vs Steeda {$300}vs Ford Racing Street {$300}  

Asked by: RoushCharger
Eibach will make a lot of noise, mine has been making very loud creaking and springing sounds... Eibach says "we don't cover under warranty for sounds". Stick with Steeda or FR, WAY worth the extra $$. I'm SEVERELY regret getting these springs.
Answered by: Unknown923
Date published: 2017-03-11

Is the ride quality similar to the performance pack or softer?  

Asked by: bwk76
The ride is not softer than the GT Performance Pack suspension.  The intent is to limit nose dive on braking and hold up during cornering.  These springs do just that.  Overall, I'd say a bit firmer than OEM.
Answered by: GToh
Date published: 2016-08-09
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Product Video

Eibach Spring Pro-Kit Set GT 2015-2017 Video Transcript
By Bill Tumas: If you've ever bought a brand new Mustang like our 2015 here, or even picked up a used stock Mustang, the following scenario is probably pretty familiar. When you first get the car, everything's great. Looks great, sounds great, plenty of power, no reason to change a thing. Then you kind of get used to it and think, "You know, I wish it was maybe a little bit louder," and on goes an after-market exhaust system. Then you start thinking, "You know what? Maybe a little more power would be nice." Cold air kit and a tune usually takes care of that problem as well. Then you start thinking, "You know what? It looks great. I wish it was just a little bit lower." Lowering your Mustang has a lot of performance benefits, but one of the main benefits, it simply looks good lower. So today we're going to show you how to lower our 2015 Mustang using Eibach's Pro Kit Springs.

With 19" and 20" wheels being available, the wheel gap in the new Mustang is nowhere near as bad as the older models, but it still sits pretty high. The Eibach spring kit's going to come with coil springs, new bump stops, and new dust boots, and it's going to lower our 2015 GT approximately 1" in the front and 1.1" in the back. For this installation, you need a lift or a jack and jack stands, 1/2" impact gun or 1/2" ratchet, 13-mm socket, 15-mm socket, 18-mm socket, 21-mm socket, 22-mm socket, 24-mm socket, a few different extensions, 15-mm wrench, 17-mm wrench, panel removal tool, hammer, and a spring compressor.

While the control arm geometry has changed, if you've ever done an S197 spring it's going to look pretty familiar, and the process is basically the same. Disconnect from the spindle, disconnect up here, and remove your factory strut and spring assembly. Unlike the previous generation, your strut mount is held into the strut tower with only 3 bolts instead of the usual 4. We're going to remove 2 of them. Leave 1 of them just a little bit loose so the strut hangs, making it easier to remove.

First thing we'll do is get the ABS line out of the way. There's 1 clip that's held on here, and another one in the middle of the strut body. Once we move the ABS line, put a wrench on the back of your sway bar and remove the nut. To remove the spindle from the strut, you've got to remove these nuts here. Unfortunately, the bottom one you're not going to be able to get to with your stock brake calipers in the way. So we're going to remove these two bolts here to remove the brake caliper. You want to move the caliper safely out of the way. You can lay it back here. We'll pull the rotor off as well to give us some more room.

Now we can remove the nuts that hold the spindle to the strut. Actually, you want to take them off and then put them on just a little bit again. I'll show you why in a minute. Bolts going into the spindle have splines on the other end, so you can't put anything on there to turn them off. They're not going to turn. What you have to do is tap on both sides to push them out. Now I'll finish removing the last nut on the top, and remove the stock assembly.

To remove the factory springs, you'll need a spring, and remove the nut from the top of the strut to remove our strut mount. Now remove the nut from the strut. Then release tension on the spring compressor. Here you can see a comparison between our Eibach progressive rate spring and our factory spring. Obviously, there's a massive height difference. For a spring that only lowers it an inch, the spring is much, much shorter, giving you an idea how soft the factory springs really are.

We'll start with the new spring assembly by installing the new bump stop and new supplied dust boot. This will actually pop right into the channel at the top, and slide it over. Now we're going to compress the Eibach spring so we can install it on the car. Reinstall the strut and mount. We'll tighten down the strut nut. Then now you can remove the spring compressor. Now we'll put our new strut assembly back in the car. You line up the top studs and make sure this is facing the proper way. You can turn it, but it's easier if it's lined up to start with.

Once the strut's back in place, now we can reinstall the bolts that hold the spindle to the strut. As we tighten these down, it'll pull the splines in from the other side. Put the sway bar back in. Reinstall our rotor and caliper. A little trick to do is put the rotor back on, put 1 lug nut on at the bottom in place. It makes it a lot easier to line up the caliper. Once you're done there, snap the AVS line back into place. Finally we'll tighten down the strut mount nuts. We're going to repeat the process on the other side, and we can move on to the rear spring.

Due to the IRS change for the '15, the rear suspension's going to be completely different, so it's not going to be like any other install you've ever done on an S197 car. If you want to get the springs out, we've found the best thing to do is actually lower the sub-frame by disconnecting the shock and the sub-frame bolts, and slowly lower it down to remove the spring. You want to remove both rear wheels. It makes the job a lot easier.

Since we're going to be lowering the sub-frame down to get the spring out, the first thing you want to do is support it, so when we remove the bolts it's held up, and then we can slowly lower it down. We'll start by loosening up the 2 bolts here that connect the sub-frame to the body. You don't need to take them all the way out. Just loosen them up so we have some play. As you can see, the factory rear brake hose makes a rather sharp turn. Since we're pulling the sub-frame down, this is actually going to get tighter. So to be safe, we're going to remove the bracket so there's more play with the brake hose.

Once that's loosened up before we lower the sub-frame, disconnect the 2 bolts that hold the shock body to the body itself. We'll start with the rear sub-frame to body bolt, and now the front. Now we'll lower it down. Now you can pull down on the sub-frame, and pull out the spring. The bump stop is located inside the shocks, so we're going to remove the shock cover, then remove the factory cover and bump stop. Remove the mount and the factory dust boot. We're going to retain the factory dust boot. Remove the original bump stop simply by pushing down. Put the new one into place. Ready to install. Slide the new bump stop over, press it down on the body, and we'll reinstall the mount and the nut.

We'll reinstall the stock isolator, and put it back in the car. You want to make sure it's seated properly in the lower isolator as well, and lift it back into place. Once it's up in place, reinstall the shock bolts. There's actually 2 stops on top here, so you know the mount's in the right place when it touches them. We'll tighten these back down. Now reinstall the brake line. Now put the bolts back into place for the sub-frame. Get them started by hand just to make sure they're lined up. Finally, tighten down the 2 front bolts to the body. Now remove the jack. You want to repeat the process on the other side, and your installation's finished.

The Eibach Pro Kit springs are going to make your 2015 Mustang handle better, have less body roll and less brake dive. The think you're really going to notice though is how much better it looks. Dropping the car an inch made a huge difference in the stance and the overall attitude of our 2015 Mustang. The installation should take you between 2 and 3 hours, so you'll be back on the road in no time.