Roush S650 Mustang Phase 1 Supercharger Kit
The 740 horsepower, 600 lbs-ft of torque Roush S650 Mustang Phase 1 Supercharger Kit is engineered to provide exceptional performance through innovative design and cutting-edge components, tailored specifically for Mustang enthusiasts seeking peak horsepower and reliability.

We achieved a 10.55 second 1/4 mile at 133 MPH and 0-60 3.00 seconds with a 1.39G acceleration force on a stock car with this supercharger and slicks on a prepped track* (10R80 Automatic Transmission, 3.55 rear gear ratio).

Ready to take your 2024-2025 Mustang GT to the pinnacle of performance? The Roush Phase 1 Supercharger Kit is engineered to transform your Mustang into a 740 HP powerhouse with unbeatable durability, cooling, and power delivery.


Features:

• Unmatched Supercharger Design
  • Dual Front Inlet, Front Drive TVS R2650 Supercharger - This supercharger features a dual front inlet and front-drive setup, maximizing airflow with an optimized, high-flow inlet port. It's designed for ultimate airflow capacity, ensuring your engine breathes freely to produce unparalleled horsepower.
  • Iconic Roush Red Head Unit - The supercharger head unit boasts a unique Roush Red finish, adding an unmistakable, high-performance look to your engine bay.
  • Stock Throttle Body Compatibility - The kit reuses the factory twin 80mm throttle bodies, retaining a symmetrical appearance and allowing you to reuse stock induction components for a clean and streamlined look.
  • Inverted Supercharger Layout - Featuring an inverted design, the Roush Phase 1 kit houses dual high-efficiency intercoolers. This setup maximizes heat transfer while lowering intake air temperatures, keeping your engine cool under high demand.
• Optimized Fuel Delivery and Cooling
  • High-Flow Dual Cone Fuel Injectors - Equipped with optimized director plates, the injectors target fuel precisely for efficient combustion and enhanced performance.
  • Custom Billet Fuel Rails - These billet aluminum fuel rails provide maximum flow with minimal restriction, ensuring correct injector alignment and a consistent fuel supply to meet the demands of high-performance driving.
  • Efficient Supercharger Belt System - Designed with a custom FEAD, 90mm pulley, and strategic hardware placement, the supercharger belt runs closer to the engine, reducing crankshaft load and enhancing overall reliability.
  • Oversized Front Heat Exchanger - The large front heat exchanger delivers exceptional intercooling with minimal restriction to the factory cooling module. Its custom design makes installation straightforward, with no need to remove the front fascia, saving install time and minimizing any risk of damage.
  • Specialized Degas Bottle - This kit includes a high-capacity degas bottle that prevents coolant aeration, offering superior cooling capacity for consistent performance.
  • High-Performance Bosch PCE Intercooler Pump - The intercooler pump is a high-flow Bosch PCE model, delivering reliable cooling to support long-lasting supercharger performance.
  • Custom-Fit Hoses - Every hose in this kit is custom-formed to ensure a clean installation and streamlined underhood appearance, making the system as easy to install as it is to admire.
• Designed for Seamless Installation and Factory Fit
  • Factory Hood and K-Brace Compatibility - The entire kit is engineered to fit beneath the stock Mustang hood and K-brace without any modification. The K-brace doesn't need to be removed, making installation simpler and preserving the structural integrity of your Mustang.
  • Plug-and-Play Wiring - All wiring is plug-and-play, offering a smooth and straightforward installation process.
  • Ford Performance Spark Plugs - Colder heat range spark plugs with a reduced gap come pre-installed, ensuring optimal performance and durability under increased boost.
• Cutting-Edge Tuning and Compliance
  • Roush Diagnostic Tuning Software - The kit is calibrated with Roush's Diagnostic Tuning Software, delivering best-in-class performance while maintaining seamless diagnostic capabilities. This software ensures the kit runs smoothly while adhering to Roush's high standards.
  • Expert Collaboration with Magnuson Superchargers - Developed in partnership with Magnuson, a company with over 50 years of supercharging experience, this kit brings together Roush's and Magnuson's expertise for a product that excels in performance, durability, and innovation.
  • SEMA-Certified Emissions Compliant &amp; 50-State CARB Legal<br>The Roush Phase 1 Supercharger Kit is SEMA-certified and 50-state CARB EO legal (EO# D-488-65), ensuring it meets emissions standards across the United States.

Specifications:

• Difficulty: Advanced
• Time: 10 Hours
• Tools: Garage Tools
• Part Number: 422334 (Intakes sold separately, see Part #422334)
• Included Warranty: 3-Year/36,000-Mile Limited Powertrain Warranty

Install Instructions:

• For Instructions CLICK HERE

Fitment:

• Ford Mustang GT | Dark Horse 2024-2025

Notes:

• Air Intake system shown sold separately (Part #422334)
• Power figures are based on optimal conditions using 93-octane fuel. Actual results may vary depending on octane, intake air temps, humidity, manifold charge temps, gearing and the type of dynamometer used.