Dull on the outside and spartan on the inside, this 1966 Plymouth Belvedere is the perfect sleeper thanks to a Hemi swap.

It is a pretty similar story with 572 Hemi crate engines, which are essentially just 426 Hemis with an increased bore and stroke. In many cases, cylinder wall thickness is a concern when it comes ...

Naturally, the 426 Hemi sitting under the hood is not a true-blue unit. These engines are rare and expensive. It's a Mopar Performance crate engine augmented with various aftermarket parts.

"The 426 HEMI is such a vital part of our heritage ... of current day products (including the installation of a crate engine), to transform them into a "Mopar"-machines. To complement the ...

The result was an engine that was as tough as it was hell-bent on producing all-out power. This was the birth of the 426 Hemi. While the 426 instantly showcased its potential in NASCAR ...

from the traditional cast-iron crate version. The new Gen III High Output 426 HEMI engine is professionally built and includes a stout, balanced lower reciprocating assembly that features a forged ...