Steeda Motor Mount Kit Adjustable Heavy Duty Mustang V6 2015-2017/ GT350/ GT350R 2015-2020/ GT 2015-2024/ GT500 2020-2022



  • Fights Fatigue and Sagging
  • 3/4" Adjustment Range
  • High-Quality Billet Aluminum
  • Made in the USA
MSRP $260.95
You save 11%

Steeda Adjustable Heavy Duty Motor Mount Kit for 2015, 2016 and 2017 V6 Mustangs, for 2015, 2016, 2017, 2018, 2019 and 2020 Shelby GT350 and GT350R Mustangs, for 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and 2024 GT Mustangs, and for 2015, 2016, 2017, 2018, 2019, 2020, 2021 and 2022 Shelby GT500 Mustangs.

Prevent sagging and fatigue caused by your 2015-2024 Mustang's stock motor mount with the Steeda Adjustable Heavy Duty Motor Mount Kit (555-4039)! This motor mount is adjustable in 1/4" increments for up to 3/4" lower than your factory mount. The kit features dual durometer bushing packages, so you can choose from softer red bushings to firmer black bushings for your S550 Mustang. The red bushings offer improved control with little engine vibration, while the firmer black bushings provide maximum control with noticeably stronger engine vibrations. As for the mount, it's constructed from premium-quality billet aluminum for increased durability and longevity. 

Features and Benefits:
- Direct-Fit Replacement
- Constructed of Premium-Quality Billet Aluminum
- Dual Durometer Bushing Packages in Soft Red and Firm Black
- Eliminates Fatigue, Sagging, and Failure
- Increased Durability
- Provides a 3/4" Adjustment Range
- Adjustable in 1/4" Increments
- Proudly Made in the USA

Vehicle Fitment:
- 2015-2017 V6 Mustang
- 2015-2024 GT Mustang
- 2015-2020 Shelby GT350/GT350R Mustang
- 2020-2022 Shelby GT500 Mustang

*Does NOT fit EcoBoost models.

Please Note: The black bushings are highly recommended for competition use only.

Tech Tip: This Adjustable Heavy-Duty Motor Mount Kit from Steeda is recommended if you are looking to upgrade your K-member to either one of the Lightweight Drag Race (P/N: KM33) or Road Race (P/N: KM34) K-Member options that are available from Steeda.

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Installation Videos

Video Transcript

We’re here with Steeda's heavy duty adjustable motor mounts fitting your 2015 Mustang GT.

These heavy duty adjustable motor mounts have special sleeves built in to allow you to lower your motor up to three-quarters of an inch in quarter of an inch increments. The adjustable mounts also come with two different bushings. You have a soft durometer red bushing which is perfect for street use and a harder durometer black bushing, which is designed for competition use.

These Steeda heavy duty adjustable motor mounts are made here in the USA and are sold as a pair.

Vehicle Fitment

This product will fit the following Mustang years:

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