If you're looking to build a 6.4L HEMI from the ground up, Chrysler introduced the "Big Gas Engine" 6.4L block around the same time they were introduced for use in heavy-duty Ram pickups in 2015.

HEMI crate engine options range from factory-spec displacements like 6.2L (376 cubic-inch) and 6.4L (392 cubic-inch) versions still available from Mopar Genuine Parts to aftermarket crate HEMI ...

But what if you've already decided on a naturally aspirated gas engine and want to compare a few of the most robust options available? For example, the large 6.4-liter HEMI V8 comes ready with 410 ...

This small displacement Ford V-6 ... engine into a car has been going on for decades, with some of the best crate engines including the Ford Coyote V-8, the Mopar 7.0-liter A30 Hellephant HEMI ...

Good news then that Chrysler is prepping an all new 6.4-liter Hemi for use in its SRT products, and we're anxious to see how this new engine works in the Grand Cherokee application, which seems ...

sporting a 6.4-liter HEMI sourced from the Challenger SRT8 that makes 470 hp and 470 lb-ft of torque. Adding to the power of the big HEMI engine, Mopar has thrown on new headers, a cold air intake ...

As for the crate engine, you should prepare $37,999 at the very least for this BGE-based brute, with BGE being the heavy-duty truck version of the Apache 6.4-liter HEMI V8 engine. Rated at 10:1 ...

More importantly, however, is a new 6.4-liter HEMI V8 with 480-hp and 460 ft-lbs of torque. Pricing is expected to be set at $45,601 with the new engine also making for improvements in the fuel ...

The 6.4-liter HEMI option is priced $1,495 greater than a similarly equipped 5.7-liter HEMI-powered Ram Heavy Duty pickup and is the first gas engine available in the dual rear wheel 3500.

The third generation of the Hemi V8 debuted in 2003 and the 6.4L derivative used in today's Ram HD trucks is a member of the same engine family with a few refinements added over the years.

the 6.4-liter HEMI of the Jeep Wrangler Rubicon 392 will be discontinued with no replacement in sight. While we're not sure whether the truck-specific Big Gas Engine of the Ram HD truck line will ...