The ONLY True OEM-Calibrated, Fully Integrated, Plug-and-Play Engine Conversion
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1. 505 Horsepower
The largest naturally aspirated V8 in its class.
2. 470 lb-ft of Torque
The largest naturally aspirated V8 in its class.
3. 6.4L HEMI V8
The largest naturally aspirated V8 in its class.
This is the largest naturally aspirated V8 in its class, now available as a fully engineered, drop-in swap system for your Wrangler or Gladiator.
The ONLY true OEM-calibrated, fully integrated, plug-and-play 392 HEMI swap that includes every single component, harness, and factory PCM calibration.
This system has been refined through 200+ professional installs for OEM-level drivability and long-term reliability.
Major Components
- Brand-new 6.4L 392 HEMI engine
- Complete 505 HP engine conversion system
- NEW 8 Speed Transmission
- 3.5” full stainless-steel exhaust system (tip-to-tail)
- New A/C compressor
- New cold air intake, exhaust manifold, engine oil cooler. high flow fuel pump
- New coolant reservoir, hoses & full routing system
- High-output alternator
- New alternator belts
- All adapter plates to mate to factory transmission
- 392 engine mounts
- ECU relocation brackets
Electrical, PCM & Controls (OEM-Level Integration)
- Complete wiring harness (90% plug-and-play)
- PCM flashed to OEM factory 392 calibration
- NOT a custom tune
- Runs correctly at all elevations & conditions
- All factory gauges function exactly like stock
- Speedometer
- Tachometer
- Coolant temp
- Oil pressure
- Immobilizer, ignition & gateway devices re-bound
Fully scannable by Chrysler dealers & emissions testing
HOW THE PROCESS WORKS
Nation-wide | Driveway-to-Driveway | 3 Week turnaround
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ENQUIRY
Fill out the enquiry form below.
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PURCHASE
Make the purchase online or via phone.
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PICK UP
Door-to-door vehicle transport
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INSTALLATION
Full professional installation at SoFlo Customs
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DELIVERY
Return delivery to your driveway
MORE ABOUT THE ENGINE CONVERSION KIT
Find answers to most frequently asked questions about the Engine Conversion.
What is included in the conversion?
Everything required to complete the install and drive immediately, including full stainless exhaust.
Compatible models & vehicles?
2.0L Turbo Models - Requires upgraded fuel pump & transmission
This system is designed only for JL Wrangler & JT Gladiator platforms
Will this work with JK 3.6L models?
No, this system is designed only for JL Wrangler & JT Gladiator platforms.
Is custom tuning required?
No. This uses OEM factory 392 calibration, not risky custom tuning.
Will emissions systems function normally?
Yes. All systems are fully scan-ready for dealers and emissions testing.
How can I track my order?
When your order ships, your tracking number will be automatically updated in our parts website portal and emailed to you.
Are engine mounts included?
Yes.
Are ECU relocation brackets included?
Yes.
Are immobilizer and security systems re-paired?
Yes, all security systems function normally after flashing.
Does it come with warranty?
- Part Warranty: 24-Month | 24,000 Mile
- Labor Warranty: 12-Month | When Installed by SoFloCustoms4x4
How long does shipping take?
Most orders ship the following business day after processing. Some larger or heavier items may require freight shipping, which is only available on weekdays. For shipping coordination, call or text
Do you ship internationally or to Hawaii, Alaska, or Puerto Rico?
We typically don’t due to the high shipping costs. However, if you’d like to arrange your own shipping, we can palletize your order for pickup. Contact us to coordinate.