Limited conversion build slots available.
We take a limited number of conversion projects each quarter to ensure every build is done right.
what makes us different
JEEP-FOCUSED HEMI AND GM CONVERSION EXPERTISE
HEMI, HELLCAT, DEMON, and popular GM swaps aren't one-size-fits-all. We build conversion packages specifically for Jeep Wranglers and Gladiators.
Complete in-house integration
Engine sourcing, wiring, cooling, driveline setup, mounting, exhaust, and tuning are all handled under one roof.
YOUR ONE-STOP UPFITTER FOR ALL THE OTHER GOODIES
We don's stop at your engine integration. We are you one-stop shop for all things custom from leather, paint, custom audio, axle swaps to custom fabrication we have the expertise do be your one stop shop to build your ultimate on or offroad rig.
Built for reliability and performance
Whether it's a trail rig or high-performance street build, our conversions are engineered to be dependable.
FAQs
What GM engines do you offer?
We offer popular LS and LT-based packages including 5.3L, 6.6L LX3, and supercharged configurations.
Which HEMI option is right for me?
The 5.7L offers excellent daily drivability, the 6.4L delivers serious naturally aspirated power, and Hellcat builds are designed for maximum performance.
Will my existing transmission work?
That depends on your vehicle and build goals. We’ll review drivetrain compatibility during the consultation process.
How long does a conversion take?
Build timelines vary based on the vehicle, engine package, and fabrication requirements.
Do your conversions include a warranty?
Yes — qualifying builds include parts and labor warranty coverage. Contact us for specific package details.
Do you offer turnkey installations?
Yes — JK Land handles the full conversion process from sourcing and installation to tuning and final testing.
What's Included in your visit
Full conversion planning
We evaluate drivetrain compatibility, cooling requirements, electronics integration, and fabrication needs before the build begins.
Complete installation and integration
Our team handles engine mounting, exhaust fabrication, wiring, cooling systems, transmission setup, and tuning.
Build communication and support
We keep you informed every step of the way with clear communication, realistic timelines, and regular photo or video updates at major build milestones.
What's Included in your visit
Every conversion starts with a detailed consultation focused on performance goals, reliability expectations, and overall build planning.
Full conversion planning
We evaluate drivetrain compatibility, cooling requirements, electronics integration, and fabrication needs before the build begins.
Complete installation and integration
Our team handles engine mounting, exhaust fabrication, wiring, cooling systems, transmission setup, and tuning.
Build communication and support
You’ll receive clear communication throughout the process with realistic expectations on project scope and timelines.
Our GM Conversion PAckages
5.3L LS Conversion
Reliable V8 performance with excellent drivability for Jeep and truck applications.
Starting At
$29,995
* Plus Installation
- 400 HP
- 400 lb-ft Torque
- Aluminum Block LS Platform
- Jeep-Specific Integration
6.6L LX3 Conversion
Big power and torque designed for aggressive off-road builds and serious performance applications.
Starting At
$34,500
* Plus Installation
- 550 HP
- 6.6L Crate Engine
- Available For JK, JL & JT Models
- Heavy-Duty Drivetrain Pairing
Supercharged LX3 Conversion
High-horsepower builds for customers wanting extreme performance and fully custom capability.
Starting At
$59,995
* Plus Installation
- 650+ HP
- Whipple Supercharger System
- 8-Speed Transmission Integration
- Custom Performance Build
Our Hemi Conversion Packages
5.7L HEMI Conversion
Perfect for Jeep owners wanting reliable V8 power and improved towing and drivability.
Starting At
$33,995
Installed
- 425 HP
- 8-Speed Automatic Transmission
- Factory-Style Integration
- OEM-Inspired Fit & Finish
- 2 Year Parts and 1 year Labor Warranty
HELLCAT, DEMON AND HIGHER HP FORCED INDUCTION CONVERSIONS
For customers who want maximum horsepower and fully custom high-performance builds.
Starting At
$59,995
Installed
- 707 - 1025 HP Options
- Supercharged Performance
- Custom Cooling
- Driveline Systems Built For Power
- 2 Year Parts and 1 year Labor Warranty
392 HEMI Conversion
Naturally aspirated V8 power built for serious off-road and street performance.
Starting At
$39,995
Installed
- 505 HP
- 475 lb-ft Torque
- 8-Speed Automatic Transmission
- Heavy-Duty Drivetrain Integration
- 2 Year Parts and 1 year Labor Warranty
What Our Customer Have To Say!
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About Us
JK Land is a modern, innovative & state of the art Jeep,
Truck & 4x4 Shop in Douglasville, Georgia.
- 12,000 sq. ft. facility
- High-tech design studio
- Hemi V8 Specialists
JK Land Jeep Sales & Outfitters
64 Hunter Road
Douglasville, GA 30134
678-214-5037
Some restrictions may apply – please inquire
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