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The Livernois Motorsports S950 Performance Package is our most popular upgrade package for the 2018-2021 Jeep Grand Cherokee Trackhawk. This package adds mid-10-second potential power, industry-exclusive Flex Fuel E85 compatibility, and the key pieces that ensures reliability is a focal point, all while laying the groundwork for future Livernois Motorsports upgrade packages. 

This bundled package allows for gains of up to 185hp and 165tq when used with E85 fuel.

This install package includes the following products and services:

  • Livernois Motorsports Professional Installation
  • Livernois Motorsports PCM unlocking service
  • Livernois Motorsports exclusive Flex Fuel upgrade 
  • Livernois Motorsports custom dyno tuning
    • Increased horsepower and torque (up to 185hp and 165tq with bundled offering)
    • Improved shift feel and shift points with transmission calibration 
    • Dyno proven air/fuel adjustments
    • Enhanced throttle response
  • Livernois Motorsports EvenFlo thermostat
  • Innovators West harmonic balancer upgrade with O/D crank pulley
  • Innovators West crankshaft pinning kit
  • Appropriate length serpentine belt
  • Injector Dynamics ID1300X 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 S950 Performance package for you 2018 Jeep Grand Cherokee Trackhawk features the following items from Livernois Motorsports:
- Livernois Motorsports Industry Exclusive Flex Fuel Tuning
Livernois Motorsports has built a reputation of adding Flex Fuel capability into a wide array of vehicles not available with it. One goal we had was to bring this capability into the Mopar world, eliminating the need for "fixed Ethanol Content" tunes, and wasted time switching back and forth to achieve proper safety levels. Our Flex Fuel tuning has brought OEM like seamless transitions into the Trackhawk world to ensure proper performance, and safety regardless of ethanol percentage.
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.
- Injector Dynamics ID1300X Fuel Injectors
Livernois Motorsports & Engineering always strives to offer the best available components for all of our packages, and for the S950 Trackhawk we utilize the Injector Dynamics ID1300X 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 S950 Trackhawk offering, we utilize the Innovators West Balancer along with their triple-dowel and keyed crank pinning system.

    • 2018-2021 Jeep Grand Cherokee Trackhawk 6.2 Liter Supercharged
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