Eibach's Sportline kit lowers the S550 Mustang EcoBoost and V6 about 1.5" front and 1.3" rear for a purposeful drop and a lower center of gravity. Progressive-rate coils sharpen turn-in and cut body roll while keeping the ride livable on the street. Supplied as a set of four springs designed to run with the factory dampers.
| Type | Sportline performance lowering springs (set of 4) |
| Spring Design | Progressive-rate coil |
| Lowering | Front 1.5" / Rear 1.3" |
| Material | High-strength alloy spring steel |
| Warranty | Eibach 5-Year (defects in material and workmanship) |
| Part Number | 4.14735 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2020 | Ford | Mustang | Bullitt |
| 2015-2023 | Ford | Mustang | EcoBoost |
| 2015-2023 | Ford | Mustang | EcoBoost Premium |
| 2015-2021 | Ford | Mustang | GT |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2021 | Ford | Mustang | GT Premium |
| 2021 | Ford | Mustang | Mach 1 |
| 2015-2020 | Ford | Mustang | Shelby GT350 |
| 2015-2020 | Ford | Mustang | Shelby GT350R |
| 2020-2021 | Ford | Mustang | Shelby GT500 |
| 2015-2017 | Ford | Mustang | V6 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
