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Massive Discount 11-14 Ford Mustang V8 5.0l Roush Performance 421390 Supercharger 625hp Phase 2 Calibrated Supercharger Kit Series [mhvLSWCe]

$74.99 $239.99 -69%

Powerful Supercharger Kit for 11-14 Ford Mustang V8 5.0L Elevate your 11-14 Ford Mustang V8 5.0L to new heights with the Roush Performance 421390 Supercharger Kit. This Phase 2 Calibrated Supercharger Kit is designed to deliver an unmatched boost in

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Powerful Supercharger Kit for 11-14 Ford Mustang V8 5.0L

Elevate your 11-14 Ford Mustang V8 5.0L to new heights with the Roush Performance 421390 Supercharger Kit. This Phase 2 Calibrated Supercharger Kit is designed to deliver an unmatched boost in performance and horsepower. With its roots-type axial flow supercharger assembly and twin four-lobe rotors, this kit promises a smooth and powerful supercharged engine that will make your Mustang truly stand out. Key features include an air to water intercooler, intake manifold, reflashed ECM, and high-flow fuel injectors and rails, ensuring optimal performance and efficiency.

Technical Specifications and Benefits

The Roush Performance 421390 kit is engineered to produce a remarkable 625 horsepower and 525 lb-ft of torque, providing a significant boost over the stock engine. This kit not only increases power and torque but also enhances engine responsiveness, throttle response, and fuel economy. The kit's comprehensive package includes a dual 60 mm throttle body, new air box, conical air filter element, and a fuel pump voltage booster, all designed to optimize your Mustang's performance. With its high efficiency intercooler system and oversized coolant degas bottle, this kit ensures optimal cooling and air-to-air exchange, contributing to a more robust and reliable engine.

Enhanced Performance for Daily Driving and Racing

Whether you're looking to enhance your daily driving experience or compete on the track, the Roush Performance 421390 Supercharger Kit is the perfect choice. This kit is compatible with 2011-2014 Ford Mustang models, offering a seamless installation process for those with basic mechanical skills. The benefits are clear: increased power and torque for better acceleration, improved engine sound and feel, enhanced throttle response for smoother shifting and cornering, and improved fuel economy for lower emissions and operating costs. Experience the thrill of driving with the Roush Performance Supercharger Kit and take your Mustang to the next level.

What Our Customers Say

December 28, 2025

Absolutely no complaints!

So well made. I am extremely happy.

- Jasmin F..

December 28, 2025

Absolutely no complaints!

An excellent product. It is very clever.

- Jamison M..

December 28, 2025

Absolutely no complaints!

This is a very, very useful item.

- Ethel H..

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