6.4L 392 HEMI Conversions; Wrangler JL & Gladiator JT

At Chaos Fab Shop, we take pride in being a premium solution provider for Wrangler JL and Gladiator JT owners, eager to supercharge their rides with our America’s Most Wanted 4×4 Wrangler JL and Gladiator JT 6.4L 392 Engine Conversion. We blend power, performance, and precision in a unique way to redefine your driving experience on any terrain.


Our engine conversion is more than just a power enhancement. It’s a comprehensive transformation that equips your vehicle with the prowess to master any terrain while delivering power that surpasses the factory 392 Wrangler. Recognized as a premier installer of the coveted HEMI Conversions by AMW4x4, we meticulously enhance Jeep vehicles using authentic Mopar engines and transmissions. Our approach involves the integration of AMW4x4’s meticulously designed adapters, brackets, and tubing kits. We offer an all-inclusive package that takes care of everything from the physical engine installation to a comprehensive exhaust system, along with a proprietary engine calibration. Every conversion comes with a robust 3-year/36,000-mile warranty on engine-conversion components, as well as a 1-year labor warranty, backed by accredited repair service centers.


This Complete Conversion Package Includes:

  • Mopar Performance 6.4L/392 Crate Motor
    • 505 Horsepower & 475 lb-ft of Torque
    • Cast Iron Block with 4-Bolt Main Caps
    • Aluminum Cylinder Heads & Forged Crankshaft
    • Powdered Metal Rods with Floating Pins and Hypereutectic Aluminum Pistons
    • 10.9:1 Compression Ratio for Pump Gas Use
    • 4.090-Inch Bore, 3.724-Inch Stroke
    • Hydraulic Roller Camshaft & 185 Degree Thermostat
  • Eight Speed Mopar ZF Automatic Transmission
  • In-House Machined Billet Transfer Case Adapter
  • Performance Tuned ECU & TCM
  • Necessary Mopar & Tier One, Tier Two OEM Compatibility Components
  • Comprehensive 3-Year/36,000-mile Warranty on Conversion Parts and 1-Year Labor Warranty by Chaos Fab Shop
  • Complete Pickup and Delivery Service Across the Nation are Available, the Shop is Located in Winchester, VA.

Turn-Key, Installed Price: $37,995.


At Chaos Fab Shop, we believe in elevating every aspect of your vehicle’s drivetrain to ensure it’s fit to take on both open roads and demanding off-road terrains. With our services extending beyond the powertrain, including suspension, axles, interior enhancements, and more, we’ve got you covered. We even offer hands-on training at our own off-road park, equipping you with the skills to get the most out of your newly transformed Jeep.


Chaos Fab Shop stands unparalleled when it comes to performance, safety, and service. Our years of proven experience serving government agencies with reliable engine conversion installations and custom modifications have earned us a unique trust and recognition in the industry. Each conversion and upfit is meticulously executed by our certified professionals, equipped with top-tier tools, technologies, and expertise to deliver flawless results.


We understand that an engine conversion is a significant decision. That’s why our team is always ready to provide thorough consultations and answer any questions you may have so when delivered the Jeep perfectly fits your specific needs. We uphold transparency and quality in every interaction, guiding you through every step until you’re fully satisfied.


Why settle for the ordinary when you can experience extraordinary? Amplify the power and performance of your Wrangler JL or Gladiator JT with our 392 engine conversion. Join the elite few who experience this supreme level of performance. Ready to get started? Contact the experts at Chaos Fab Shop today!


344 Victory Rd Winchester, VA 22602

Phone: (540) 323-7434

Hours: Mon-Fri: 9am – 6pm EST  

©2023 Chaos Fab Shop