Discover the ultimate naturally-aspirated Hemi power with the 6.1 Hemi engine for sale. This 6.1 Hemi is the original SRT8 powerplant, packing 425 horsepower and 420 lb-ft of torque to deliver the performance that made the Charger SRT8, Magnum SRT8, Challenger SRT8, 300C SRT8, and Jeep Grand Cherokee SRT8 some of the most celebrated modern American muscle cars of the 2005 to 2010 era. Built with a robust cast iron block and lightweight aluminum heads, it's engineered for strength, durability, and the high-RPM operation needed to make 425 hp from 6.1 liters of displacement.
The 6.1 Hemi features a high-performance camshaft with aggressive lift and duration, larger intake and exhaust valves than the 5.7 Hemi, and a higher 10.3:1 compression ratio. Sequential multi-port fuel injection ensures precise fuel delivery, while the iconic Hemi spherical combustion chamber provides excellent flame propagation across the bore. Ideal for SRT8 restorers, modern muscle car enthusiasts, swap project builders, and insurance-totaled SRT8 repower applications, this engine offers a perfect blend of raw naturally-aspirated power and modern reliability.
Don't settle for ordinary, elevate your ride with the legendary 6.1 SRT8 Hemi engine. Available now for those who demand authentic Mopar SRT8 performance.
| Option | Description |
|---|---|
| 5.7 Hemi (NA) | 345 hp / 390 hp variants. Standard truck and Charger / Challenger R/T engine. Most common Hemi. Lower-stress design. |
| 6.1 Hemi SRT8 | 425 hp at 6,200 rpm, 420 lb-ft. The original SRT8 engine sold on this page. 2005 to 2010 production. |
| 6.4 Hemi (392) | 470 to 485 hp depending on application. Replaced the 6.1 in 2011. Larger displacement, revised heads. |
| 6.2 Hellcat (Supercharged) | 707 to 717 hp depending on year. Supercharged. Different architecture, not a 6.1 successor. |
| Item | Details |
|---|---|
| INCLUDED, Long Block | Block, crankshaft, rods, pistons, camshaft, lifters, both cylinder heads, valve train (rocker arms, pushrods), oil pan, valve covers, front timing cover, harmonic balancer, intake manifold (typical). |
| NOT INCLUDED | Throttle body, ECU and harness (sold separately), 16 spark plugs (sold separately), alternator, starter, A/C compressor, power steering pump, flexplate (auto) or flywheel (manual), motor mounts, exhaust manifolds. |
| Fluids | Drained before shipping. Refill with 5W-20 or 5W-30 motor oil per Mopar SRT spec. |
| Core Note | No core charge. You are not required to return your old engine. |
The 6.1 SRT8 Hemi was a direct fit in the following vehicles:
| Vehicle | Compatibility |
|---|---|
| Dodge Charger SRT8 | 2006 to 2010 |
| Dodge Magnum SRT8 | 2006 to 2008 |
| Dodge Challenger SRT8 | 2008 to 2010 |
| Chrysler 300C SRT8 | 2005 to 2010 |
| Jeep Grand Cherokee SRT8 (WK) | 2006 to 2010 |
| Chrysler 300 SRT Design (limited markets) | Limited applications |
NOT compatible without significant work with: 5.7 Hemi applications (Charger R/T, Challenger R/T, Ram 1500, etc., uses different cam and lower-output tune), 6.4 / 392 Hemi (post-2011 SRT8 vehicles), Hellcat 6.2 supercharged applications, or non-LX/LC/WK platform vehicles.
Common 6.1 swap applications: Older Mopar muscle car restorations (Challenger, Dart, Coronet) for modern Hemi swaps, custom builds, and insurance-totaled SRT8 wreck recovery for transferring the engine to a similar chassis. Mopar Performance and aftermarket suppliers offer swap kits.
Transmission compatibility: Mopar NAG1 (W5A580) 5-speed automatic, the standard SRT8 transmission | 545RFE 5-speed automatic, some applications | 65RFE 6-speed automatic, late 6.1 applications | TR-6060 6-speed manual, Challenger SRT8 manual variants.
Every used 6.1 Hemi we ship goes through this process:
Where donor mileage is verified, it is shared. Where mileage cannot be confirmed, we disclose this openly before payment.
| Displacement | 6.1 liters (370 cubic inches) |
|---|---|
| Configuration | V8 | 16 valves | OHV pushrod |
| Bore X Stroke | 4.055 in x 3.58 in |
| Compression Ratio | 10.3:1 |
| Aspiration | Naturally Aspirated |
| Block Material | Cast Iron |
| Cylinder Head Material | Aluminum |
| Fuel System | Sequential multi port fuel injection (SMPI) |
| Cooling System | Water-cooled |
| Valve Train | 2 valves per cylinder | Overhead Valve (OHV) |
| Spark Plugs | 16 plugs total (2 per cylinder | signature Hemi design) |
| Horsepower | 425 hp at 6 | 200 rpm |
| Torque | 800 rpm | 420 lb-ft at 4 |
| Fuel Type | Premium unleaded (91+ octane recommended) |
| Production Years | 2005 to 2010 |
| Manufacturer | Chrysler / SRT |
| Common Applications | Charger SRT8 | Magnum SRT8 | Challenger SRT8 | 300C SRT8 | Jeep Grand Cherokee SRT8 |
| Emissions | EPA compliant (2005 to 2010 standards) |
| Compatibility | 2005 Dodge 6.1 Hemi Engine and cross-fit SRT8 applications |
I highly recommend Vaz Auto Solutions for anyone looking for a 6.1 Hemi engine. The product quality is outstanding, and the customer service team ensured I had all the information I needed. My car is back on the road and running better than ever.
I recently purchased a 6.1 Hemi engine from Vaz Auto Solutions and couldn't be happier. The engine arrived quickly, was well-packaged, and performs flawlessly. The customer service was also top-notch, answering all my questions promptly. Highly recommend!
Every used 6.1 Hemi engine sold by Vaz Auto Solutions is covered by a 15 day replacement warranty from the date of delivery.
To file a claim, contact us within 15 days of delivery at (240) 301-0095 or support@vazautosolutions.com.
