6.2L Hellcat / Trackhawk / TRX Engine Upgrades
Performance Upgrades for Your 6.2L Hellcat, Trackhawk, and TRX Engines
The 6.2L Hellcat family engines are factory supercharged beasts delivering between 707 and 840 horsepower, found in Dodge Hellcat models, Jeep Trackhawk, and Ram TRX. These high-output Gen III Hemis require specialized upgrades to effectively manage heat, fuel delivery, and boost pressure for reliable, sustained performance.
Why is cooling critical for supercharged 6.2L Hellcat engines?
Supercharged engines generate significant heat, especially under heavy load or track conditions. The factory cooling system is robust but can be pushed to its limits with increased boost and power levels. Upgrading intercoolers, heat exchangers, and radiator components helps prevent heat soak, maintain consistent intake air temperatures, and protect internal components from thermal stress.
- High-efficiency intercoolers reduce intake air temperatures for denser combustion
- Upgraded heat exchangers improve coolant flow and heat rejection
- Enhanced radiators and fans support sustained cooling under track or towing conditions
What supporting modifications help your Hellcat handle more boost?
Increasing boost on the 6.2L Hellcat requires more than just pulley swaps. Fuel system upgrades such as high-flow fuel pumps and larger injectors ensure consistent fuel delivery to match added air volume. Additionally, tuning and supporting mods like upgraded spark plugs and intake components help maintain engine safety and optimize power output.
How to choose the right engine upgrades for your Hellcat, Trackhawk, or TRX
Selecting the right performance parts depends on your power goals and intended use. Whether you’re building a street cruiser, a track-ready machine, or a high-horsepower drag setup, FastHemis offers a comprehensive range of cooling, fuel, and boost management upgrades engineered specifically for the 6.2L Hellcat platform. Shop our collection to find parts that keep your supercharged Hemi running strong and reliable.