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Steeda Sport Progressive Lowering Springs (15-19 EcoBoost w/o MagneRide)

AmericanMuscle no longer carries the Steeda Sport Progressive Lowering Springs (15-19 EcoBoost w/o MagneRide). Please check out 2015-2019 Mustang Springs for an updated selection.
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Features & Details

  • Steeda Sport Springs
  • Lowers Center of Gravity for Improved Handling
  • Lowered Muscle Car Stance
  • Progressive Spring Rate
  • Blue Powdercoated Finish
  • Estimated Drop: Front - 1.125”, Rear - 1.0”
  • Made in the USA
  • Not Compatible on MagneRide Equipped Vehicles
  • Fits 2015-2019 EcoBoost Mustangs
  • Clears Stock and Aftermarket Wheels & Tires
Improves Handling. Installing a set of Steeda Sport Progressive Springs lower the center of gravity to improve the aerodynamics of your EcoBoost Mustang. The improved stance will reduce squat during acceleration, body roll in the corners and excessive nose-dive under hard braking, while maintaining an exceptional ride quality. These blue powdercoated lowering springs are great for daily driving, street, and even occasional track use S550 Mustang.

Progressive Rate. Using a progressive spring rate, this set of Steeda Sport Springs provides a softer ride when going over bumps and road imperfections, plus enhancing the handling performance for your S550 Mustang. They also improve its overall appearance, by lowering the ride height approximately 1.125" in the front and 1.0" in the rear, it eliminates the ugly "4x4" tire to fender gap, for a more aggressive street stance.

Clears Stock and Aftermarket Wheels & Tires. These lowering springs were engineered to be compatible with your stock size wheels and tires, as well as AmericanMuscle's pre-configured wheel and tire combo kits (specific to your generation), to assure proper clearance with no rubbing issues.

Application. This set of four Steeda Sport Progressive Lowering Springs are specifically designed for use on the 2015-2019 EcoBoost Mustang, including both Fastback and Convertible models. Does not fit GT and V6 Mustangs.

Technical Note. The Springs are not compatible on vehicles equipped with the MagneRide Suspension.

Note: Coupon codes cannot be applied to this product.

Fitment: 2015 2016 2017 2018 2019 Details

MPN# 555-8212

CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (4) Lowering Springs
Installation Info
Tech Specs
Springs Specifications
Spring Rate: Front: N/A
Rear: N/A
Usage: Street
Year: 2015-2017 GT & V6 Model: Fastback/Coupe & Convertible
Progressive or Standard: Progressive Estimated Drop:

1.125" F / 1" R

Will it fit my Mustang?

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Questions & Answers (3)

3 Top Rated Questions

What will be my alignment settings that i will request to the shop after they install these lowering springs on my mustang ecoboost? Thank you.

  • It will be realigned to factory spec.

Helpful (0)

I just bought 20 inch rims and I want to get lowering springs. But my rear tires have 305 on the back. Is there any lowering springs I can get without doing any extras to not make it rub ?

  • We would recommend staying between a 1-1.5" lowering spring kit with the 20" wheels and 305s being on the rear. If you go any lower, you may experience rubbing.

Helpful (0)

how are these compared for factory, comfort wise? I DD mine and on the highway 2 hours a day, will I notice a difference? If price is not an issue, what would be my best option for lowering but retaining the most comfort?

  • The Steeda Sport Springs will lower the vehicle a little over a inch meaning the shocks and struts will be under a little more stress. With that being said, you will expect the ride to become a bit more firm and hard but these springs ride much smoother and comfortable than other springs or this size.

Helpful (0)
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Customer Reviews (4) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Afternoon

  • Handling Improvement 5 5
  • Ride Quality 4.5 4.5
  • Appearance 5 5
  • Bang For Your Buck 4.5 4.5

  • 5/5

    Installation Time: Afternoon

    December 09, 2018

    Incredibly Smooth Ride

    I purchased these spring to give my car a more agressive stance and to better the handling. The results were incredible. The stance it gave the car is amazing and the handling is even better. Could not be happier with this purchase.


    Year: 2016 Submodel: EcoBoost

    Helpful (3)

  • 5/5

    Installation Time: Afternoon

    March 13, 2017

    So far, so good

    No problems. The ride is what I expected. No complaints here. I love the way my car looks, now that it has been lowered.


    Year: 2015 Submodel: EcoBoost

    Helpful (5)

  • 4/5

    Installation Time: Afternoon

    November 17, 2016

    Perfect drop handling

    Car now handles superbly and the drop was perfect.Ride quality was on par or tad bit better than my stock with PP springs. Overall very happy with the purchase


    Year: 2015 Submodel: Ecoboost

    Helpful (6)

  • 5/5

    Installation Time: Full Day

    February 24, 2016

    Great springs!

    Took me about 5 hours to install, with a little help. The outcome visually was fantastic! Ride is a little more harsh, but overall pretty good. Handling is much improved when you push the car, less floatyness for sure. I have no problems clearing anything on the road but you will have to be careful approaching curbs in parking lots. Overall very happy with the progressives.


    Year: 2015 Submodel: Ecoboost

    Helpful (6)

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