The term "hemi engine" refers to an engine with a hemispherical combustion chamber. The word "hemi" is short for hemispherical, and it describes the shape of the combustion chamber in the cylinder head of the engine. This design is known for its efficiency in allowing air and fuel to flow in and out of the chamber, leading to improved combustion.

The Hemi IS an engine, you can't "put" a hemi on to another engine

A hemi engine refers to one of the most popular high performance engine types.

Chrysler corporation made the hemi engine back in the 50's.

Hemi is an engine and it's made by dodge