The Chrysler Hemi engine, known by the trademark Hemi or HEMI, is a series of high-performance American overhead valve V8 engines built by Chrysler with hemispherical combustion chambers.

A HEMI engine is a popular high-performance engine type. Learn about the history of the HEMI engine and see what sets a HEMI apart from other engine types.

Oct 6, 2025 · Ram celebrates revived HEMI, but what exactly is the iconic engine? The HEMI engine is named after the engine's hemispherical shaped piston heads. While Chrysler brands popularized and...

SUPERCHARGED 6.2L HEMI® V8 ENGINE Go all in with the commanding Ram 1500 SRT ® TRX. It offers Best-in-Class horsepower and torque 6 for a formidable drive.

Aug 31, 2023 · What Is a Hemi Engine? The term “Hemi” is derived from the word “hemispherical,” referring to the unique shape of the combustion chamber in the engine. In a Hemi engine, the …

May 6, 2025 · The name Hemi engine comes from Chrysler’s line of gasoline engines that are built with hemispherical combustion chambers. The combustion chamber can be called the heart of the engine …

Jul 18, 2025 · The HEMI V-8 engine is beloved by fans. Stellantis dropped it to get greener. RAM customers revolted. Now it's back.

2026 Ram 1500 trucks will be available with the 5.7-liter Hemi eTorque powertrain. The Hemi V8 will make 395 hp and 410 lb-ft of torque with the eTorque mild-hybrid system.

Only a handful of vehicles are currently available with Chrysler's Hemi engine, but more are joining them in 2026, including one that skipped 2025.

Jul 22, 2024 · A Hemi is an engine with a hemispherical combustion chamber, consisting of dome-shaped cylinders and piston tops. Hemispherical refers to a half-sphere, so the piston tops have to …