Jeep Trackhawk HPE850 Upgrade

2018 Jeep Grand Cherokee Trackhawk HPE1000 - Hennessey Performance

Hennessey HPE850 Upgrade

Available for the 2018 – 2020 Jeep Grand Cherokee Trackhawk.


• 852 bhp @ 6,200 rpm*
• 845 lb-ft torque @ 4,200 rpm



• 0-60 mph: 2.9 sec.
• ¼ mile: 10.9 sec. @ 124 mph


HPE850 Upgrade

• Upgraded tuning software
• High flow air induction system
• Upper Pulley Upgrade (increases boost to 14 psi)
• Professional installation
• All necessary gaskets and fluids
• Chassis dyno testing and tuning
• Exterior Hennessey emblem
• Exterior HPE850 emblems
• Serial numbered dash plaque
• Serial numbered plaque in engine compartment
• Call HPE for build time and scheduling

* Estimated power ratings at the engine. Actual power will be measured at the rear wheels, before and after the upgrades are installed and tuned. Rear wheel horsepower and torque figures are approximately 15-20% lower than the factory published power figures which are measured at the crankshaft on an engine dyno.

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