Hellcat Engine

Specifications

The Hellcat engine is a 6.2-liter supercharged HEMI V8 developed by Dodge, known for its high-performance capabilities. It features a cast-iron block, aluminum heads, and a forged steel crankshaft for strength and durability, paired with a 2.4-liter twin-screw supercharger. Depending on the variant, it produces between 707 and 717 horsepower in standard Hellcat models, up to 797 hp in the Redeye, and nearly 840–1,025 hp in the Demon, with torque ranging from 650 to 707 lb-ft. The Dodge Hellcat engine is a combination of massive low-end torque, aggressive throttle response, and signature supercharger that makes it a defining engine in American muscle cars including the Dodge Challenger, Charger, Durango SRT Hellcat, and RAM TRX.

Engine Variants

Hellcat Crate Engine

The Hellcat Crate Engine is a high-performance powerplant, designed for enthusiasts looking to bring the legendary power of the Dodge Hellcat to custom builds or classic cars. This supercharged 6.2 liter HEMI V8 delivers an incredible 707 horsepower and 650 lb-ft of torque straight out of the box. Featuring a robust cast-iron block, forged-steel crankshaft, and a twin-screw supercharger, it combines old-school muscle with modern engineering. The Hellcrate comes as a complete package, including essential components and wiring harnesses, making it a plug-and-play solution for high-horsepower projects.

Dodge Challenger SRT Hellcat Engine

The Hellcat engine first appeared in the 2015 Dodge Challenger SRT Hellcat, redefining modern American muscle. This comes equipped with a 6.2-liter supercharged HEMI V8 produced 707 hp and 650 lb-ft of torque, making it the most powerful muscle car engine of its time. It also features a 2.4-litre twin screw supercharger that deliver instant boost, while forged internals ensure exceptional strength under extreme conditions. Designed for both street and strip, the challenger Hellcat balanced brute force with surprising refinement, offering smooth and idle reliability. 

Hellcat Redeye

The Hellcat Redeye takes the standard Hellcat platform further with a larger 2.7-liter supercharger, strengthened internals, and upgraded fuel and cooling systems. Producing 797 horsepower and 707 lb-ft of torque, it’s built for high-speed endurance and drag-strip dominance. Found in the Challenger and Charger Redeye models, this version pushes the limits of factory performance while maintaining the street ready rides. 

Hellcat Jailbreak

The Jailbreak edition is the ultimate expression of the Hellcat family, featuring up to 807 horsepower through tuning enhancements. This features a 6.2L Supercharged HEMI V8 engine with a 2.7L supercharger offering 0-60 mph time of about 3.4 seconds and a top speed of around 203 mph.  Exclusive styling, customizable color combinations, and performance upgrades that makes the Jailbreak one of the most powerful and distinctive production cars ever offered by Dodge.

Frequently Asked Questions