Name: Roush 2015-2026 Ford Mustang Lowering Springs
Brand: Roush
SKU: 422339
Price: 349.99 USD
Availability: InStock

Roush

$ 349.99

In stock, ready to ship
Backordered, shipping soon

Orders Over $750 Ship Free!

Genuine Roush Performance for Your Mustang

Enhance the stance, handling, and overall driving experience of your Mustang with the 2015-2026 Roush Mustang Lowering Springs. Engineered for performance and precision, these high-quality springs provide a 25.4mm front and 19.1mm rear drop, giving your Mustang a sleek, aggressive appearance while lowering its center of gravity for improved cornering dynamics and road feel. Designed exclusively for non-MagneRide-equipped Mustangs, these springs offer an optimized front spring rate of 200 lb/in and a progressive rear spring rate of 975 lb/in, ensuring a well-balanced ride that enhances both spirited driving and daily commutes. With Roush Performance engineering at their core, these lowering springs deliver reduced body roll, improved responsiveness, and enhanced overall stability, perfect for enthusiasts who demand both style and function. For the ultimate handling upgrade, pair these lowering springs with the 2015-2026 Roush Mustang Front & Rear Adjustable Sway Bars, which provide tunable stiffness and improved chassis control for track-ready performance. Key Features: ✅ Aggressive 25.4mm Front / 19.1mm Rear Drop - Achieve a race-inspired stance while enhancing handling precision. ✅ Optimized Spring Rates - 200 lb/in (front) and 975 lb/in (progressive rear) for superior cornering performance. ✅ Non-MagneRide Compatibility - Specifically designed for Mustangs without MagneRide suspension. (For MagneRide-equipped models, see Part Number 422330.) ✅ Enhanced Handling & Stability - Reduces body roll and improves grip for a more controlled driving experience. ✅ Perfect Pairing - Maximize performance with Roush’s Adjustable Sway Bars for a complete suspension upgrade. Upgrade your Mustang’s suspension with Roush Lowering Springs and experience the perfect balance of performance, style, and handling precision.

Key Specs

Genuine Roush Performance part, factory part number 422339
Fits 2015-2026 Ford Mustang (EcoBoost & GT W/O Magneride)
Category: Suspension
Roush estimated install time: 2 hours
Shipping weight: 37.0 lb

Notes From Roush

Does not fit Magneride Suspension. See Part Number 422330 for Magneride compatible lowering springs.

Fitment

2015 Ford Mustang EcoBoost & GT W/O Magneride
2016 Ford Mustang EcoBoost & GT W/O Magneride
2017 Ford Mustang EcoBoost & GT W/O Magneride
2018 Ford Mustang EcoBoost & GT W/O Magneride
2019 Ford Mustang EcoBoost & GT W/O Magneride
2020 Ford Mustang EcoBoost & GT W/O Magneride
2021 Ford Mustang EcoBoost & GT W/O Magneride
2022 Ford Mustang EcoBoost & GT W/O Magneride
2023 Ford Mustang EcoBoost & GT W/O Magneride
2024 Ford Mustang EcoBoost & GT W/O Magneride
2025 Ford Mustang EcoBoost & GT W/O Magneride
2026 Ford Mustang EcoBoost & GT W/O Magneride

Common Questions

Is this a genuine Roush part?

Yes. This is a factory Roush Performance part, number 422339, sourced directly through our Roush dealer account.

How long does the install take?

Roush rates this install at 2 hours. Our shop can handle it at Bessemer or Pell City, or we ship it to your door.

Will it fit my truck or car?

This part fits the 2015-2026 Ford Mustang with the EcoBoost & GT W/O Magneride. Not sure about your exact build? Call us at (205) 491-0010 before you order and we will confirm fitment.

Why Buy From TCcustoms

TCcustoms is the number one Roush supercharger dealer in the world, with full installation shops at both of our Alabama locations, Bessemer and Pell City. Every part we sell is a genuine Roush Performance part with a factory part number. We install what we sell, we ship nationwide, and customers bring vehicles to us from all over the country. Call us at (205) 491-0010 and a real builder will help you spec it right.

Advertised price is Roush MAP. Genuine Roush Performance, made for your Ford.

[{"id":45677507772495,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"422339","requires_shipping":true,"taxable":true,"featured_image":{"id":43713869611087,"product_id":8862684381263,"position":1,"created_at":"2026-06-11T17:43:16-05:00","updated_at":"2026-06-11T17:43:18-05:00","alt":null,"width":2831,"height":2000,"src":"\/\/www.tccustoms.com\/cdn\/shop\/files\/24-25_Mustang_Lowering_Springs_Mockup.jpg?v=1781217798","variant_ids":[45677507772495]},"available":true,"name":"Roush 2015-2026 Ford Mustang Lowering Springs","public_title":null,"options":["Default Title"],"price":34999,"weight":37,"compare_at_price":null,"inventory_quantity":0,"inventory_management":"shopify","inventory_policy":"continue","barcode":"844764005166","featured_media":{"alt":null,"id":35269987008591,"position":1,"preview_image":{"aspect_ratio":1.416,"height":2000,"width":2831,"src":"\/\/www.tccustoms.com\/cdn\/shop\/files\/24-25_Mustang_Lowering_Springs_Mockup.jpg?v=1781217798"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

{"id":45677507772495,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"422339","requires_shipping":true,"taxable":true,"featured_image":{"id":43713869611087,"product_id":8862684381263,"position":1,"created_at":"2026-06-11T17:43:16-05:00","updated_at":"2026-06-11T17:43:18-05:00","alt":null,"width":2831,"height":2000,"src":"\/\/www.tccustoms.com\/cdn\/shop\/files\/24-25_Mustang_Lowering_Springs_Mockup.jpg?v=1781217798","variant_ids":[45677507772495]},"available":true,"name":"Roush 2015-2026 Ford Mustang Lowering Springs","public_title":null,"options":["Default Title"],"price":34999,"weight":37,"compare_at_price":null,"inventory_quantity":0,"inventory_management":"shopify","inventory_policy":"continue","barcode":"844764005166","featured_media":{"alt":null,"id":35269987008591,"position":1,"preview_image":{"aspect_ratio":1.416,"height":2000,"width":2831,"src":"\/\/www.tccustoms.com\/cdn\/shop\/files\/24-25_Mustang_Lowering_Springs_Mockup.jpg?v=1781217798"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

Hear it from them

★★★★★
Chesley and Gaige were a pleasure to work with. They are extremely friendly and answered all my questions. Extremely satisfied with the product and customer service
Hunter W.

★★★★★
Five stars!!! Only because there is not a six star option. Chesley and his team at TCcustoms did an unbelievable job on my recent Raptor upgrade! Can’t recommend them enough.
Brad T.

★★★★★
Casey and his crew always Ready to serve the customers, myself, and the Community. Thanks TC Customs for the Exceptional add ons to my F-150!
Jeff W.

★★★★★
I was looking for a part that is pretty difficult to find for my new f150. I live a state over and watch TC on YouTube. I called and Casey answered the phone and made a miracle happen the next day. Thanks for taking care of me!
Freddy N.

★★★★★
Casey was awesome helped me pick out the the right bed cover for my new 2024 F150. Casey also to the time to tell about all the features and to discuss some of the other features from TCcustoms that would work on my truck.
Scott T.