Ever caught yourself dreaming of upgrading your ride with the legendary power of a 6.4 Hemi engine? Whether you’re searching to unlock adrenaline-pumping performance or simply eyeing a deal on a “6.4 Hemi for sale,” finding the right engine can be daunting.
Knowing where and how to buy a 6.4 Hemi is crucial—these engines are a big investment. In this article, you’ll discover where to look, what to watch for, and tips to land the best deal.
The 6.4 HEMI For Sale: Your Complete Guide
Looking for a 6.4 HEMI engine for your next build or replacement? You’re in the right place. The 6.4L HEMI, also known as the 392 HEMI, is a powerhouse widely used in Dodge, Jeep, and Chrysler performance vehicles. Whether you’re fixing up a project car, upgrading your classic muscle, or need a reliable engine swap, this engine is a top choice.
Below, you’ll find everything you need to know about buying a 6.4 HEMI for sale—how to choose the right option, where to look, key benefits and challenges, smart tips for your purchase, and cost considerations including shipping. Let’s get started!
What Is the 6.4 HEMI Engine?
The 6.4L HEMI is a modern, high-performance V8 engine found in popular models like the Dodge Charger and Challenger SRT, Jeep Grand Cherokee SRT, and Ram trucks. It is prized for its:
- 6.4 liters (392 cubic inches) displacement
- Up to 485 horsepower and 475 lb-ft of torque in stock form
- Legendary HEMI hemispherical combustion chamber design
- Excellent blend of power, durability, and technology
This engine is popular both as a performance replacement and a crate motor for hot rods, classic car upgrades, restomods, and off-road builds.
How to Find a 6.4 HEMI for Sale
When shopping for a 6.4 HEMI, you’ll come across several options:
- Brand New Crate Engines
- Remanufactured Engines
- Used Take-Out Engines
- Custom-Built Performance Engines
Let’s break down what each means and how to make a smart decision.
1. Brand New Crate Engines
- Direct from manufacturer or authorized dealers
- Factory specifications and often include a warranty
- Suitable for new builds, engine swaps, or high-end restorations
- Typically shipped in a “crate” with major components
2. Remanufactured Engines
- Professionally rebuilt to meet or exceed factory specs
- Often include upgraded or improved components
- More affordable than new, but with similar reliability
- Good option for budget-conscious projects
3. Used Take-Out Engines
- Removed from wrecked or salvaged vehicles
- Lower cost, but variable condition and warranty
- Requires careful inspection and verification
4. Custom-Built Performance Engines
- Built to your specifications by engine shops
- Can include performance upgrades: cams, forged internals, ported heads
- Great for racing or high-performance street cars
Where to Search for a 6.4 HEMI Engine
There are a variety of reputable places to find a 6.4 HEMI for sale. These include:
- Performance auto parts stores and Mopar specialists
- Online automotive retailers and auction platforms
- Local or regional engine rebuilders
- Classifieds and forums for Dodge, Jeep, and Chrysler enthusiasts
- Speed shops and hot rod builders
Some shops specialize in brand new Mopar crate engines, while others focus on remanufactured or custom builds. Always check for:
- Verified customer reviews
- Clear warranty terms
- Detailed specifications and included components
- Technical support availability
Benefits: Why Choose the 6.4 HEMI?
The 6.4L HEMI is a favorite for several good reasons:
- Impressive Power Output: Up to 485hp in factory trim, potent for any project.
- Modern Technology: Incorporates variable cam timing, active intake, and robust electronic controls.
- Parts Availability: Strong aftermarket and OEM parts support.
- Versatility: Fits classic cars, trucks, Jeeps, and modern muscle cars with the right swap hardware.
- Reliability: Proven track record in street, strip, and off-road environments.
Challenges & Important Considerations
It’s best to be aware of possible challenges before, during, and after your purchase:
- Fitment Issues: Swapping into older vehicles may require custom mounts, electronics, or adapters.
- Electronics: Modern engines need compatible wiring harnesses and engine control modules (ECM/PCM).
- Cost: Brand new engines can be pricey, and total swap costs can rise with required accessories.
- Shipping Logistics: These engines are heavy and must be shipped via freight, which affects costs and delivery times.
- Warranty Compliance: Improper installation may void warranties—always read the fine print.
Step-By-Step: Getting Your 6.4 HEMI
Here’s a simple process to help you land the perfect 6.4 HEMI engine for your build:
- Define Your Project
- What vehicle or application? Stock swap, resto-mod, custom build, or replacement?
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What power goals and budget?
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Choose Engine Type
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Decide on new, remanufactured, used, or custom-built based on your needs and resources.
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Shop Around
- Gather quotes from multiple vendors.
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Ask about warranties, shipping, and included accessories.
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Verify Specifications
- Make sure the engine fits your application.
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Confirm compatibility with transmission, mounts, electronics, and emissions requirements.
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Place Your Order
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Arrange payment, provide accurate shipping info, and clarify estimated delivery dates.
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Prepare for Delivery
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Arrange a way to unload the engine—most are shipped on pallets via freight truck.
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Install With Care
- Follow manufacturer guidelines closely.
- Hire a professional if unsure, especially for wiring and ECM/PCM programming.
Practical Tips for a Smart Purchase
- Check Serial Numbers: Authenticity matters—check for valid Mopar serial numbers and documentation.
- Ask for Details: Request photos, mileage (for used engines), and a full list of what’s included.
- Read Reviews: Peer experiences can reveal seller reliability and product quality.
- Plan for the Extras: Budget for accessories like wiring harnesses, computers, headers, and mounts.
- Consider Future Upgrades: Choose an engine setup that leaves room for further performance modifications.
Cost Tips: Engine Price & Shipping Insights
The 6.4 HEMI isn’t a small investment. Here’s what to expect and how to save:
- Brand New Crate Engines: $6,500–$10,000+
- Remanufactured Engines: $4,500–$7,500
- Used Take-Outs: $3,500–$6,000 (condition and mileage depend)
- Performance Builds: Price varies by parts and labor
Shipping Tips
- Most engines require freight shipping; costs range from $250–$600 within the US.
- Save by combining orders (engine + accessories) or arranging local pickup if possible.
- Some retailers offer “free shipping” promotions—ask before you buy.
- Factor in the cost of a liftgate delivery if you don’t have a loading dock or forklift.
Best Practices for Your 6.4 HEMI Swap
- Do Your Homework: Plan your swap, double-check fitment and wiring requirements.
- Use the Right Tools: Quality install results come from quality tools and equipment.
- Don’t Rush: Take your time and ask for help if unsure.
- Keep Documentation: Warranty claims may require proof of proper installation.
Conclusion: Is the 6.4 HEMI Worth It?
Absolutely! The 6.4L HEMI is a versatile, powerful, and modern V8 engine that brings classic performance together with advanced technology. It’s an all-star choice for modernizing older vehicles, restoring muscle cars, or making your daily driver truly special.
Whether you buy new, remanufactured, used, or custom, a bit of planning and research will help ensure a smooth process and the best results.
Frequently Asked Questions (FAQs)
How much horsepower does the 6.4 HEMI engine produce?
Most stock 6.4 HEMI engines deliver up to 485 horsepower and 475 lb-ft of torque. Performance builds can exceed these numbers with modifications.
Is the 6.4 HEMI a good swap candidate for older vehicles?
Yes! Many enthusiasts swap the 6.4 HEMI into classic Mopars, trucks, and even hot rods. Kits are available to help with mount, wiring, and computer integration.
Are wiring harnesses and computers included with a crate engine?
Usually, the base crate engine includes the engine long block with intake and fuel system. Complete swap kits may contain harnesses, computers, sensors, and other install parts. Always check with the seller for specifics.
What should I consider when buying a used or remanufactured 6.4 HEMI?
Ask for detailed history, mileage, and rebuild specifics. Go with reputable shops that provide a warranty. Inspect the engine (or ask for detailed photos) before buying.
Can I install the 6.4 HEMI at home?
With the right mechanical experience, tools, and help, it’s possible to install a 6.4 HEMI at home. However, wiring and computer setup can be complex. Professional installation is recommended for the best results and to avoid warranty issues.
With the 6.4 HEMI, you’re not just buying an engine—you’re investing in modern HEMI power and performance. Prepare well, choose wisely, and enjoy the impressive results in your next build!