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The Livernois Motorsports S975 Performance Package is our most popular upgrade package for the 2015-2022 Dodge Charger/Challenger Hellcat 6.2L. This package takes our S900 package and increases it to even higher power levels, and 9-second potential power, all while laying the groundwork for future Livernois Motorsports upgrade packages. 

This bundled package allows for gains of up to 200hp and 190tq on 93 octane fuel.

This install package includes the following products and services: 

  • Livernois Motorsports professional installation
  • Livernois Motorsports PCM unlocking service
  • Livernois Motorsports dyno tuning
    • Increased horsepower and torque (up to 200hp and 190tq with bundled offering)
    • Improved shift feel and shift points with transmission calibration (automatic equipped vehicles)
    • Dyno proven air/fuel adjustments
    • Enhanced throttle response
  • Livernois Motorsports EvenFlo thermostat
  • High Flow air filter upgrade
  • Livernois Motorsports custom 3.05" supercharger pulley
  • Innovators West harmonic balancer
  • Appropriate-length serpentine belt
  • Injector Dynamics ID1050X upgraded fuel injectors
  • 1-year warranty

*Installed by our highly trained technicians at Livernois Motorsports & Engineering*


Performance Packages

Livernois Motorsports performance packages provide unmatched performance for late model Ford, GM and Chrysler vehicles. These specifically selected components form the basis of Livernois performance packages, and options for varying power and intended use are available for most vehicles. Choose the package that is optimal for your desired power gains. Plus, all are available to be installed by our highly experienced staff of technicians!

About Livernois Motorsports

Livernois Motorsports & Engineering has become best-known for revolutionary tuning and high-end performance products for late model Ford, Mopar and GM vehicles. The company is proud of its deep roots in the automotive and motorsports industry dating back to its original founding in 1949. Since then the company has expanded its product line to include tuning and performance components for desert racing, SCCA and drag racing. Livernois Motorsports is proud to engineer, test and manufacture its products in the USA.

Our S975 Performance package for you 2015-2019 Dodge Challenger and Charger SRT features the following items from Livernois Motorsports:
Livernois Motorsports & Engineering's line of EvenFlo low temperature thermostats reduce the operating temperatures in your performance engine. This will allow for the engine to naturally make more power power, ensure consistent performance, and increase coolant flow to help extend engine component longevity.
- K&N High Flow Air Filter
Livernois Motorsports & Engineering evaluates many available air intake solutions available for these vehicles, and chooses what we feel provides the best balance of fit, performance, and filtration capabilities. By taking the time to analyze these selections, it allows us to offer what we are always known for, the best possible results that are designed to last the life of the vehicle. For the S975 Hellcat, we have found the High Flow Filter situated within the OEM airbox to provide ample flow, while ensuring performance and protection in all environments.
- Injector Dynamics ID1050X Fuel Injectors
Livernois Motorsports & Engineering always strives to offer the best available components for all of our packages, and for the S975 Hellcat we utilize the Injector Dynamics ID1050X line of fuel injectors, which our featured in many of our popular install packages. Proven to offer unmatched drivability, while supplying sufficient fuel flow to accommodate your high power levels, these injectors offer amazing consistency.
- Innovators West Harmonic Balancer with O/D pulley
Livernois Motorsports & Engineering carefully analyzes many available harmonic balancer systems available, and chooses those that meet our stringent quality, performance, and adaptability for our wide array of performance package offerings. For the S975 Hellcat offering, we utilize the Innovators West Balancer along with their triple-dowel and keyed crank pinning system.
- Livernois Motorsports Custom Supercharger Pulley
When developing our S975, and S990 package we had one clear goal in mind. Finding the perfect balance of increased performance, with reliable blower speeds. In doing so, we determined that this necessitated a purpose designed and built supercharger pulley to work in conjunction with the Innovators West overdrive balancer.

    • 2015-2022 Dodge Challenger SRT Hellcat 6.2 Liter Supercharged
    • 2018-2022 Dodge Challenger SRT Hellcat Widebody 6.2 Liter Supercharged
    • 2015-2021 Dodge Charger SRT Hellcat 6.2 Liter Supercharged
    • 2020-2022 Dodge Charger SRT Hellcat Widebody 6.2 Liter Supercharged
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