HEMI Conversions

We are a premier performance HEMI conversion specialist.

Unlock the ultimate power and performance potential of your Jeep Wrangler JL or Gladiator JT with Chaos Fab Shop’s HEMI conversion services. Our expert technicians specialize in transforming your vehicle with the formidable 6.4L 392 HEMI engine, delivering unmatched horsepower, torque, and exhilarating driving experience on and off the road.

Services Offered


  • Complete 6.4L 392 HEMI engine swaps for Jeep Wrangler JL and Gladiator JT models
  • Custom engine mounting and integration for seamless fit and function
  • Upgraded cooling system installation to keep your HEMI engine running cool under extreme conditions
  • Performance exhaust system installation for enhanced sound and increased airflow
  • Tuning and calibration to optimize engine performance and drivability
  • Transmission upgrades and modifications to handle the increased power and torque
  • Suspension and drivetrain modifications to accommodate the HEMI engine's additional weight and power
What is Included in a JL or JT HEMI Conversion?


  • 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
What is the Warranty?


There is a comprehensive 3-Year/36,000-mile warranty on conversion parts and 1-year labor warranty.

Do You Pickup & Deliver?




Complete pickup and delivery service across the nation is available, our shop is located in Winchester, VA.

Experience the thrill of HEMI power in your Jeep Wrangler JL or Gladiator JT with Chaos Fab Shop’s HEMI conversion services. Contact us today to schedule your consultation and unleash the full potential of your vehicle.

More Services from Chaos

344 Victory Rd, Winchester, VA 22602

Phone: (540) 323-7434

Hours: Mon-Fri: 9AM – 6PM EST

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