There are several differences between GM's 602 and 604 crate engines, with different components giving the 604 more horsepower (404 vs. 350 hp), for example.

What's in a name? GM's 602 crate engine may have a big number in the name, but how much power does it actually make, and how much will one set you back?

We found three Chevy small-block crate engines with at least 500 horsepower with displacements including 376, 400, and 427 cubic inches (6.2, 6.6, and 7.0 liters, respectively).

Despite debuting in 2008, you can still buy crate versions of GM's LS3 engine in 2025. But how much does one cost and how ...

Chevrolet developed a solid crate-engine program in the early '80s. A factory-built crate engine makes it more effective for the consumer, both in time and money, and the engines come with a warranty.

Chevrolet Performance has unveiled the new 1,004-horsepower ZZ632 crate engine, the largest, most-powerful engine the brand has ever offered.