Steeda Sport Lowering Springs - Progressive | Mustang
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Authorized Dealer • Expert Installation • Thousand Oaks, CA
Discount Code: FFPERFORMANCE
805-267-9762
FFP · AUTHORIZED DEALER The leader in Ford performance · Over 35 years · MAP pricing SHOP ALL STEEDA →
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Part #555-8210

2015-2026 Ford Mustang – Steeda Sport Lowering Springs - Progressive

Fits These Vehicles 2015-2026 Ford Mustang Bullitt/GT/EcoBoost/V6
Price Original price was: $379.95.Current price is: $315.96.
  • Engineered and manufactured in Valdosta, Georgia
  • CNC-machined billet construction where applicable
  • Tested on Steeda's SCCA Majors race program
  • Steeda authorized dealer — exact MAP pricing

Limited Lifetime Warranty

Backed by Steeda — FFP is an authorized Steeda dealer and warranty claims are honored direct.

— Function Factory Performance

Authorized Steeda Autosports dealer. MAP pricing — the same price as steeda.com. Expert install available at our Thousand Oaks, CA shop. Questions on fitment or setup? Chat with Senna or call our specialists.

Overview

The full breakdown.

Install
Tech Recommended
Time
3.5 Hours
Drop
1.25″ F / 1″ R
Origin
Made in USA
Warranty
Limited Lifetime

Overview

Steeda Progressive Springs . Steeda springs start out at a milder rate and then transition or progress into a firmer rate. During normal street driving your Mustang will remain in that milder rate resulting in great ride quality, but on the race track, the springs transition into the firmer rates. Specifically, the front spring rates range from 145 lbs up to 225 lbs. While the rears range from 525 to 820 lbs.

Better Handling . As you get into sportier driving and brake hard the car wants to pitch, these progressive springs will help prevent nose-dive. Likewise, on corner driving they will resist body roll! So your Mustang will have great handling. Just as important, when you go to launch, the Mustang is not going to squat, it’s going to set and it’s going to go!

Car Stance . Steeda Mustang Sport Progressive Springs optimize the center of gravity and suspension geometry. An overall improvement of appearance, lowering the car just over 1″ at the front and an inch at the back. So you get the perfect rake. These will clear stock wheels, or complement your S550/S650, and add a set of 20″ wheels.

Product Gallery

Key Benefits

LIFETIME warranty
Fits 2015+ Mustangs
S550: Lowering 1.125″ in front and 1″ in rear
S650: Lowering 1.3″ in front and 0.8125″ in rear
Clears 20″ wheels
Great ride quality, improved aerodynamics and improved vehicle stance
Sharper steering response, improved vehicle handling and stability, noticeable reduction in nosedive
Fits coupe and convertible

Specifications

Installation Difficulty
Tech Recommended
Estimated Install Time
(approx.) 3.5 Hours
Tools Required
Basic Shop Tools, Spring compressor
Front Drop
1.25
Rear Drop
1
Drop Range
1-1.25
Origin
Made in the USA

Video

Fitment

2015-2026 Ford Mustang Bullitt/GT/EcoBoost/V6.

Note: Lowered amount may vary from car to car depending on vehicle package and trim options. Fits 2024+ S650 Mustangs without MagneRide Damping System.

Why Steeda
The leader in Ford performance.

Steeda has been engineering and manufacturing Ford performance parts in-house in Valdosta, Georgia for over 35 years — proven on their own SCCA Majors race team and trusted by enthusiasts who live and breathe Ford. CNC-machined billet construction, proprietary CAD-driven suspension geometry, and a relentless focus on the platforms they specialize in.

QS-9000 & ISO 9001 manufacturing · Limited lifetime warranty on Steeda-manufactured parts · Made in the USA

First-hand note

FFP fits Steeda parts every week in Thousand Oaks.

— Why we stock Steeda

OE-style engineering, in-house manufacturing, race-proven on Steeda's own SCCA program.

Steeda has been engineering Mustang — and now Explorer, Focus, F-150, and Maverick — parts in Valdosta, Georgia since 1988. CNC-machined billet, proprietary CAD-driven suspension geometry, and a factory SCCA Majors road-racing team that runs their own parts on the track every weekend. When you bolt a Steeda part onto your car, it's the same part Steeda's own race cars run.

We carry Steeda because the fitment is right the first time, the warranty is real (lifetime on Steeda-manufactured parts), and the install instructions don't leave you guessing. Drop the car at our Thousand Oaks shop and our techs handle the fit-up — or order with confidence and run it yourself.

Authority: Charles Siritho · McLaren Artura Trophy owner · Spotter for Branden Sorensen FD Pro (E46 LS+Whipple, 6th at Long Beach R1 2026) · 10+ yrs Mustang & Corvette specialist

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— FFP is an Authorized Steeda Dealer

Shop the full Steeda catalog at FFP.

The leader in Ford performance — suspension, intakes, exhaust, brakes, wheels, and more — for Mustang, Bronco, Bronco Sport, Explorer, F-150, and Maverick. Enthusiast-driven, race-tested. MAP pricing always. Expert installation in Thousand Oaks, CA.

BROWSE ALL STEEDA →
Price Original price was: $379.95.Current price is: $315.96.
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OVER 35 YEARS IN FORD PERFORMANCE. RACING EVEN LONGER.
— Steeda Autosports · sold & installed by FFP
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