11-14 Ford Mustang GT V8 5.0L ROUSH 421389 Phase 2 625HP Supercharger Upgrade Kit

The ROUSH 421389 Phase 2 625HP Supercharger Upgrade Kit is a high-performance upgrade for your 11-14 Ford Mustang GT V8 5.0L. With 625 horsepower and 525 lb-ft of torque, you’ll experience a significant boost in power and performance. The kit includes an 85mm supercharger pulley, 6-rib serpentine FEAD belt, and a ROUSH cold air induction system.

Top Features:

  • 625 Horsepower and 525 lb-ft of torque
  • 85mm Supercharger Pulley
  • 6-Rib Serpentine FEAD Belt
  • ROUSH Cold Air Induction System
  • Works with 2011-2014 Ford 5.0L Mustangs equipped with the ROUSH 5.0L supercharger kits producing 525, 540 or 575 horsepower

Vehicle Fitment:

  • Mustang 2011-2014
  • ROUSH 5.0L supercharger kits producing 525, 540 or 575 horsepower
Vendor: Roush
SKU: RSH421389
Availability: 14 In Stock
$ 829.99 USD
On-Sale $ 829.99 USD
Normally $ 829.99 USD
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UPC: 844764004382
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ROUSH 421389 Phase 2 625HP Supercharger Upgrade Kit

The ROUSH 421389 Phase 2 625HP Supercharger Upgrade Kit is a high-performance upgrade for your 11-14 Ford Mustang GT V8 5.0L. This kit is designed to increase the horsepower and torque of your Mustang to 625 HP and 525 lb-ft, making it a must-have for any Mustang enthusiast. This kit includes all the necessary components to upgrade your Mustang to the next level. With 625 horsepower and 525 lb-ft of torque, you’ll experience a significant boost in power and performance. The kit includes an 85mm supercharger pulley, 6-rib serpentine FEAD belt, and a ROUSH cold air induction system featuring a new 110mm MAF tube, larger clean air tube, open air box, and washable/re-usable performance air filter.

Key Features

  • 625 Horsepower and 525 lb-ft of torque
  • 85mm Supercharger Pulley
  • 6-Rib Serpentine FEAD Belt
  • ROUSH Cold Air Induction System
  • Works with 2011-2014 Ford 5.0L Mustangs equipped with the ROUSH 5.0L supercharger kits producing 525, 540 or 575 horsepower

Benefits

  • Significant boost in power and performance
  • Easy to install
  • Comes with a ROUSH 3 Year/36,000 Mile ROUSH Parts Only limited warranty

Product Specs

  • Application: Mustang 2011-2014
  • Installation Difficulty: Easy
  • Color: Black
  • Material: Various
  • Weight: 100 lbs

Install Difficulty Level

The ROUSH 421389 Phase 2 625HP Supercharger Upgrade Kit is designed to be easy to install. According to the manufacturer’s website, the installation process takes approximately 8 hours.

Vehicle Fitment

This kit is designed to work with 2011-2014 Ford Mustang GT V8 5.0L models equipped with the ROUSH 5.0L supercharger kits producing 525, 540 or 575 horsepower. For the most accurate vehicle fitment information, please refer to the manufacturer’s website.

If you have any questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.

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Year Make Model Submodel
2011-2014 Ford Mustang Base
2012-2013 Ford Mustang Boss 302
2011-2014 Ford Mustang GT
2011-2014 Ford Mustang Shelby GT500

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