Eibach Spring Sportline Set V6/EcoBoost/GT 2015-2019

Eibach: 4.14535
MSRP: $327.78
CJ's Low Price:
1560729600 56400
Let your 2015-2018 Mustang handle like its on rails with the help of the items below.
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Eibach Spring Sportline Set V6/EcoBoost/GT 2015-2019
Eibach Spring Sportline Set V6/EcoBoost/GT 2015-2019 Eibach Spring Sportline Set V6/EcoBoost/GT 2015-2019 Eibach Spring Sportline Set V6/EcoBoost/GT 2015-2019 Eibach Spring Sportline Set V6/EcoBoost/GT 2015-2019 Play Eibach Spring Sportline Set V6/EcoBoost/GT 2015-2019 Video 1

Product Description

Set of Four Eibach Sportline Springs for 2015, 2016, 2017, 2018 and 2019 Mustangs.

Are you looking for that fierce, lowered look on your 2015-2019 Mustang? Grab a set of these Eibach Sportline Springs from CJ Pony Parts. This stellar spring system will drastically change your Mustang into an all-out handling machine while also giving it that aggressive stance.

These high-quality springs will reduce squat during acceleration, limit nose-dive while braking and reduce body roll on those hard corners. You will also see reduction in fender-well clearance, making your Mustang look just as impressive as it performs when you install these versatile new Eibach Sportline Springs.

Eibach Sportline Springs Features and Benefits:
- Aggressive, Progressive Spring Design
- Drastically Lower Center of Gravity
- Virtually Eliminates Nose-Dive When Braking
- Reduces Squat During Acceleration
- Reduces Body Roll While Cornering
- Ultra-High Performance and Fierce Appearance
- Excellent Ride Quality
- Corner Faster, Stop Quicker and Handle More Precisely
- Improved Aerodynamic Efficiency

Lowering Specs:
- 1.5" Front and 1.3" Rear Drop for GT Fastback Mustang
- 1.0" Front and 1.25" Rear Drop for Ecoboost Fastback Mustang

Please Note: These springs will NOT fit vehicles that are equipped with the factory MagneRide suspension.

By using an advanced 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 road stresses evenly and provide an improved ride quality. When combined with Plus-1 or Plus-2 wheels and tires, the Eibach Sportline Springs become that extra special touch for all out performance and appearance results in your 2015-2019 Mustang!

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)
- Sportline Camber: -1.2 deg
- Sportline Caster: 7.5 deg
- Sportline 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)
- Sportline Camber: -1.6 deg
- Sportline Caster: N/A
- Sportline Toe: 0.2 deg

This Set of Four Eibach Sportline Springs is the best answer for street-driven cars that want to step up the handling and control levels for outstanding performance results combined with a stanced new appearance. Each set of Eibach Sportline Springs are designed and tested by masterful 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 2015-2019 Mustang.

If you’re looking to enjoy the benefits of extreme control, improved ride quality and a striking and fierce stance, then don’t hesitate to order a set of Four Eibach Sportline Springs for your 2015, 2016, 2017, 2018 or 2019 V6, EcoBoost or GT Mustang from CJ Pony Parts today!


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Mustang Applications

This product will fit the following Mustang years:

Product Reviews

Write a review
Eibach Spring Sportline Set V6/EcoBoost/GT 2015-2019 is rated 4.8 out of 5 by 25.
Rated 5 out of 5 by from Love these springs! I bought these springs for 2015 GT Performance pack. I installed them myself, by watching the video by Bill @ CJ Pony Parts. Installation was moderate and took me 4 hours with jack and stands. Free tool rental for the spring compressor from local Auto parts store. The stance is amazing and people rave about how it looks. Performance wise, its ridiculous how much better it handles, The nose doesn't dive or raise and hard stops and starts as well as driving hard into corners. I sure didnt think these would make a big difference but the sure did! Eibach nailed it on these springs!
Date published: 2015-01-19
Rated 5 out of 5 by from What a Difference a Drop Makes! I got this set along with the MM Caster Camber Plates installed last week. According to my Indy, you definitely need the MM-CC Plates to ensure proper alignment. Upon leaving the shop, I immediately felt the difference. Car feels better planted; less neutral on center; crisper turn-in; taut. Slight rake improves front visibility over that long hood. Definitely stiffer, but not as much as a coilover kit (like I had on my previous car). I returned the 20mm spacers I purchased (chose not to cut the studs), so I can add wider wheels and tires later. But, with the current stock set-up--I really love the look...check it out.
Date published: 2017-10-31
Rated 5 out of 5 by from Great Product !!! I purchased these to close the fender gap. This product is a must have part. About a 4 hr install with Jack and jack stands in the drive way. Add 1 hr for a convertible due to lowering the frame connectors on the rear. Drive long enough to seat the springs and get an alignment. Tow will be off in the front and camber will be off on the rear. All can be put back into specs without the purchase of additional parts.
Date published: 2015-02-03
Rated 5 out of 5 by from Beautiful Drop! If you want your car to be low these are the springs for you. I have the GT with the performance pack and these springs make the car look mean. I love how low the front looks. The car handles great. The only negative was driving long distance on the freeway, It can be a bit bumpy. In town I don't even notice just a bit stiffer than stock. This car is no a daily driver so I'm not to concerned.
Date published: 2015-09-08
Rated 5 out of 5 by from Great fitting Eibach Spring Sportline Set with Wheel Spacer Hub Centric 25mm Billet Aluminum. Just fit!!
Date published: 2016-06-25
Rated 4 out of 5 by from Awesome stance! Additional parts a must! Finally installed these on my 2018 GT PP1 M6. They definitely gave me the stance I was looking for. I am still trying to decide how I feel about the changes to the ride. Definitely more responsive when cornering and coming out of the hole. Do not believe for one second that you can slap these on your 2018 GT PP1 and align back to spec. YOU WILL NEED aftermarket camber plates for the front and camber adjusters for the rear. Trust me. Get them all at once and install together before going to the alignment shop. If you are thinking about buying and installing these, add another $500+ for the additional parts you WILL need to get the car back in alignment.
Date published: 2019-05-21
Rated 5 out of 5 by from Eibach Sportline Springs are awesome! My 2015 Mustang Gt PP looks great and handles even better. I get compliments everywhere i go about how great the car looks. Can't wait to take it to an SCCA Autocross event.
Date published: 2015-01-22
Rated 5 out of 5 by from Very aggressive look These springs completely get rid of the fender/wheel gap which is exactly what I was looking for. It was definitely a solid drop the entire way around and I'm happy with the way it turned out. In my opinion it gives it the perfect height without being too low, and for a great price. With all lowering springs, you will have to sacrifice a little bit of ride quality but it's a small price to pay for the way it looks in my opinion.
Date published: 2015-11-06
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Product Questions

Would i need additional parts to insure proper alignment on the front and rear on a 19 GT PP1?

Asked by: ScorpioMustang
You could install some caster camber plates and or camber bolt kits.
Answered by: rk cjpp
Date published: 2019-04-03

will these work on a pp1 19 mustang? 

Asked by: Trae69
As long as it does not have the factory MagneRide suspension.
Answered by: rk cjpp
Date published: 2019-03-04

will these springs work for my 2019 GT with PP1

Asked by: Jimmy
Yes, unless it has the magneride suspension.
Answered by: rk cjpp
Date published: 2018-12-01

I can’t find if these will fit a 2016 convertible ecoboost 

Asked by: Dany312
They will fit just fine. We just do not have data at this time when fitted to a Convertible EcoBoost.
Answered by: CJPP Dave
Date published: 2019-03-15

I have a 2016 mustang gt 5.0 California edition will these springs fit?

Asked by: Ben399
Answered by: CJPP Dave
Date published: 2018-07-09

I have a 2018 Mustang GT (not a PP), with these lowering springs will I need wheel spacers on the stock tires?

Asked by: BlvckFifty
No you shouldn't.
Answered by: rk cjpp
Date published: 2018-11-06

I bought a set of used springs from a buddy who didnt need them anymore but i dont have the bump stops and front dust boots is there anywhere i can buy just those items or can i use the factory one?

Asked by: S550junior
We do not offer them separately. You can try to contact the manufacturer.
Answered by: rk cjpp
Date published: 2018-05-11

I have a 2017 mustang GT with 265/35R 20 Goodyear tires. Will this setup work with these springs and do I need the caster / camber plates?

Asked by: Bates633
They should fit with that tire size depending on the offset of the wheels. Although caster camber plates are not required it would be a good time to install them.
Answered by: rk cjpp
Date published: 2018-01-30
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Product Video

Eibach Spring Sportline Set V6/EcoBoost/GT 2015-2019 Video Transcript
By Bill Tumas: The EcoBoost is obviously a new platform for the Mustang, and so far we’re having a lot of fun with our Comp Orange EcoBoost project car. We had an access for a tuner so far and an Airaid cold-air intake. One of our more recent mods, a set of Niche Vicenza wheels. We actually haven’t showed you these yet because as soon as you put the wheels on the car, it made out next mod painfully obvious. Our EcoBoost definitely needed an attitude adjustment as far as the height went. Today, we’re going to remove our stock springs, and we’re going to lower down our EcoBoost using the Sportline kit from Eibach.

The Sportline is going to give us a little more of an aggressive drop in the pro kit that we recently installed on a GT. The reason we want the Sportline for the EcoBoost is we feel those cars actually sit a little bit higher than the GT factory. We wanted to make sure we brought it down where we wanted it. The kit is going to include two fronts, two rears, four new bump stops and new dust boots for the front struts as well. Here, you’ll see a comparison between stock springs and the EcoBoost. The height difference is enormous. Obviously, it’s not going to drop the car that much, but you can see it’s a much heavier-duty spring in the rear as well. These are going to do a great job not only lowering the car. It’s going to handle better and be much tighter.

For this installation, you’ll need a lift and a pull jack or jack and jack stands, panel removal tool, 17-millimeter wrench, half-inch impact gun, 13-millimeter socket, 15-millimeter socket, 18-millimeter socket, 21-millimeter socket, 15/16-inch socket, 6-inch extension, hammer and a spring compressor.

We recently showed you how to install the pro kit on a 2015 GT. Whether you have a GT EcoBoost or V-6, the installation process is going to be the exact same. In case you missed that video, we’ll run you through how to install the Sportlines on our EcoBoost. Once the wheel is off, you can remove the nuts that hold the strut to the strut tower. One of them is hidden underneath the cover here. You want to take two of these all the way off. The outside one, just leave it loose. We’ll start by removing the pieces off the strut itself. We need to remove the first one being the sway bar. We’re going to hold the in-link from the back and take the nut off from the front.

The ABS line is held under the strut as well as the spindle. It’s easiest to remove both of them so the line is out of the way. There’s little clips, put a little tool in there and pop the clip off. To be able to remove the nut and bolt that hold the spindle to the strut, you have to remove the brake caliper to get to these nuts back here, one bolt at the bottom, one bolt at the top. Let’s place it back here out of the way on the cam. We’re going to take the rotor off as well just because it’s in the way. We’ll start separating the spindle from the strut by removing these two nuts here. You don’t want to take them all the way off. These bolts are splined and have to be hammered out. We’re going to loosen them all over the ends, and we’ll hammer the splines out.

Leaving the nuts on actually serves two purposes: One, it will stop you from rounding off the end of the bolt making it hard to get the nut back on, the other, once you hammer it off the bolt is not going to fly out the front. Now we can separate the strut from the spindle. Then you want to reach up top, grab the strut nut that you left hand-tight. Remove that, and then remove your strut assembly. To remove the spring from the strut assembly, we have to remove the nut up here and then the strut mount itself. To do that, you want to compress the spring first. Don’t try to remove this because it will launch off at you.

Now we’re going to remove the nut from the top of the strut mount and take the strut mount off, and then decompress the spring. Eibach includes a new bump stop as well as new dust boots to work with your factory struts. Even though the new spring is much shorter than the factory spring, we still have to compress a little bit to install it. Before you install it, you want to make sure the Eibach is upward when you install the spring onto the strut. We’re going to put the new bump stop and dust boot into place on the strut. Then we can install our new spring. Make sure the strut is seated in the factory insulator. Our assembly is ready to go back in the car.

Now to put the strut assembly back in place, we want to slide it up and grab the last nut you removed. That will hold it on once it’s in place. Make sure the ABS line is in the front of the strut and hasn’t been tucked behind it. Once it’s up in place, grab the other two nuts. Again, put them on just hand-tight, enough to hold it in place for you. The strut hanging can line the spindle back up. Grab the spindle bolts and push them through. Now that’s tight, we can reinstall the rotor and the caliper. Reinstall the ABS line clips. Then reinstall your inline. The last step: Don’t forget to tighten up the nuts on the strut tower. You want to repeat the process on the other side, and you can move onto the rear.

To install the rear springs, we’re going to lower the sub-frame of the car one side at a time. Before you do that, you want to pull the ABS line off the bracket here and remove this bolt. That will give us more play with the brake line. This just pops right off. The bump stop is inside the rear shot, so we have to replace that as part of the installation. We also want to remove these two bolts to remove the shock from the body to allow it to go lower. To get the bump stop off, we’ve got to remove the bracket from the top of the shock. This plastic cover, just twist it and pop it. It will come off. Then remove that nut. This will just slide off the top.

We’re going to reuse the stock dust boots, so you want to push the bump stop down inside and remove it. The new bump stops are included. We found the opening in these is quite a bit smaller than the one in the factory. You’ll want to use something, a drill bit whatever. Bring this opening out a little bit more to make it easier to get this over the shock. Put it down in the stock boot. I found an extension works well to push it up on [inaudible 00:09:21]. Even if you’re reaming out, it’s still a tight fit which is good. You don’t want it to slide up and down too easily. You want to put it onto the shock, and then pull it down into place.

Now you put the mount back on top of the shock, and reinstall the nut. We’re going to reinstall the cap. We’re going to leave this disconnected and go underneath the car. Move the sub-frame bolt so you can lower it down to install the spring. We’ll start by supporting the sub-frame. Use a pole jack or a jack. You don’t want to just pull off the sub-frame bolts without support, and let it drop down because it is rather heavy. Before you work on the large sub-frame bolts, you want to take these two bolts up here and just loosen them up. Now we can take out the sub-frame bolt. Now you can slowly remove the rear making sure the sub-frame is supported.

Now we’ll go back to our pole jack and lower down the sub-frame. Get it down to the point where it gets loose. You want to pull down on it a little bit. Now you want to pull down on the control arm and pull the spring out of the part. The rear spring, again same as the front. With the Eibach upward, install the factory insulator, and put it up into place. You want to put it in from the top, the same way you took it out. The controller has a preset stop for the bottom of your coil spring. To make sure the factory insulator is up against it when you put the spring in place, you want to turn it until it’s tucked in there. Once you do that, you can lift the sub-frame back into place.

We’re going to put the bolts up into place for the sub-frame. Get them started by hand and make sure they go in straight. The same thing for the front bolt. Now you can tighten them up. Once they’re tight, we’re going to remove our jack. Reinstall the ABS line and the clip. Reconnect the brake line. Last step: Push the shock down into place. There’s actually two little studs that goes underneath to hold it. Line it up and reinstall the bolts. Repeat the process on the other side and your installation is finished.

The Eibach Sportline springs combined with our new Niche wheels gives our EcoBoost the perfect stance. The installation of these will probably take you between two and three hours. You should be back on the road in no time. For more installation videos for your 2015 Mustang, make sure you subscribe to our YouTube channel.