Roush 2026 Ford Mustang 5.0L Supercharger Kit 810 HP

2026 Roush S650 Mustang Supercharger Kit – 810 Horsepower

Extreme Power. OEM-Level Integration. Track-Proven Performance.

Unlock the full potential of your 2026 Ford Mustang S650 with the Roush Mustang Supercharger Kit, engineered to deliver an astonishing 810 horsepower and 630 lb-ft of torque. Designed for enthusiasts who demand uncompromising performance, reliability, and factory-level refinement, this system transforms your Mustang into a true high-performance machine—on the street or the track.

Powered by advanced EATON TVS R2650 technology and developed in collaboration with Magnuson Superchargers, this is the most capable Roush Mustang supercharger system ever produced.

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Key Performance Highlights

• 810 HP / 630 lb-ft of torque

• 13 PSI peak boost at 7,500 RPM

• 0–60 MPH in 2.88 seconds*

• 10.33-second quarter mile at 136 MPH*

• Proven on a stock S650 Mustang with slicks on a prepped track
  (10R80 automatic, 3.55 rear gears)

*Performance results based on optimal conditions using 93-octane fuel. Actual results may vary.

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Advanced Roush Supercharger Technology

Eaton TVS R2650 Supercharger System

At the core of this kit is a front-inlet, front-drive, inverted Eaton TVS R2650 supercharger, featuring an optimized high-flow inlet port for maximum airflow and efficiency. The inverted design enables larger, more efficient intercoolers, reducing intake air temperatures and maintaining consistent power under extreme conditions.

• Dual front inlet configuration

• High-efficiency twin intercoolers

• Roush Red painted supercharger head unit

• Optimized for sustained high-RPM performance

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Industry-Leading Dual Throttle Body Design

This Roush supercharger kit reuses the factory dual 80mm throttle bodies, preserving a clean, symmetrical OEM appearance while delivering up to 34% more throttle area than typical single-throttle competitors.

Benefits include:

• Improved throttle response

• Enhanced airflow capacity

• Retention of stock induction components

• No compromise in drivability or refinement

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Superior Cooling for Consistent Power

Engineered to combat heat soak in high-output applications, the Roush supercharger system includes a robust, track-ready cooling package:

• Large front-mounted heat exchanger
  (installs without removing the front fascia)

• High-flow Bosch PCE intercooler pump

• Custom high-capacity degas bottle to prevent coolant aeration

• Optimized hose routing for improved underhood airflow and appearance

The result is lower intake air temperatures, sustained boost, and repeatable performance lap after lap.

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High-Flow Fuel System Engineered for Reliability

To support increased airflow and boost pressure, the kit features a fully upgraded fuel system:

• High-flow dual-cone fuel injectors with optimized director plates

• CNC-machined billet fuel rails for maximum flow with minimal restriction

• Precision injector orientation for consistent fueling

This system ensures reliable fuel delivery across the entire powerband, even under extreme load.

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Designed for OEM-Level Fit and Durability

Roush engineers focused heavily on long-term durability and factory-quality integration:

• Custom FEAD system reduces crankshaft load

• Optimized supercharger belt path for improved reliability

• Fits under factory hood and K-brace with no modifications required

• K-brace remains installed during supercharger installation

• Fully plug-and-play wiring

Colder-range Ford Performance spark plugs with reduced gap are included to ensure safe and consistent combustion at higher boost levels.

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Quick Installation & Simplified Tuning

Easy Installation

• No front fascia removal required

• Custom-formed hoses for faster installation and clean routing

• Reuse of factory components where possible

• Reduced labor time and installation risk

Roush Diagnostic Tuning Software

Calibration is handled through Roush Diagnostic Tool (RDT) Software, delivering OEM-level flash reliability and diagnostic capability.

• OBD-II connection

• Laptop + SAE J2534 communication device required

• Optimized for drivability, performance, and engine protection

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Certified and Warrantied

• SEMA-Certified Emissions Compliant

• 3-Year / 36,000-Mile Limited Powertrain Warranty Included 

• Vehicle top speed remains unchanged from factory configuration

• NOTE: Not 50-state legal, EO Pending **

Notes:

• Intakes sold separately (Part #422334)

• Not compatible with EU6.2 regulations, or vehicles in Brazil & China markets

*View our warranty details here.

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Decades of Supercharger Expertise

This supercharger kit represents more than 50 years of combined forced-induction expertise from Roush Performance and Magnuson. From early Mustang programs to today’s S650 platform, this partnership continues to set the benchmark for power, durability, and OEM-grade refinement.

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Elevate Your 2026 Mustang

The Roush S650 Mustang Supercharger Kit delivers extreme horsepower, factory-level engineering, and track-validated results—without sacrificing drivability, emissions compliance, or reliability.

If you’re ready to experience what an 810-horsepower Mustang truly feels like, this is the definitive upgrade.