6.2L Supercharged Hellcat Engine

6.2L Supercharged Hellcat Engine

The 6.2L Supercharged Hellcat HEMI V8 is a factory high-performance engine used in Dodge Challenger and Charger SRT Hellcat applications. It is also popular for custom muscle-car and performance engine swaps.

The standard Hellcat specification has 376 cubic inches (6,166 cc) of displacement, a 4.09-inch bore and 3.58-inch stroke, 9.5:1 compression, a cast-iron block and aluminum cylinder heads. The 2018 Hellcat specification was rated at 707 HP at 6,000 RPM and 650 lb-ft at 4,800 RPM.

Key Specifications

• Engine: 6.2L Supercharged HEMI Hellcat V8
• Displacement: 6.2L / 376 cu. in.
• Bore: 4.09″
• Stroke: 3.58″
• Configuration: 90-degree V8
• Aspiration: Supercharged
• Block: Cast iron
• Cylinder Heads: Aluminum
• Compression: 9.5:1
• Fuel System: Sequential multiport electronic injection
• Horsepower: Up to 707 HP on standard Hellcat configuration
• Torque: Up to 650 lb-ft
• Fuel: Gasoline

Common Applications

Depending on the exact engine version:

• Dodge Challenger SRT Hellcat
• Dodge Charger SRT Hellcat
• Dodge Challenger Hellcat Widebody
• Dodge Charger Hellcat Widebody
• Dodge Durango SRT Hellcat
• Custom Hellcat engine swaps
• High-performance muscle-car builds

Later versions such as Hellcat Redeye and Demon use higher-output versions of the 6.2L supercharged HEMI, so they should not be treated as identical engines.

Swap Requirements

A Hellcat engine swap may require:

• ECU/PCM
• Wiring harness
• Engine and transmission mounts
• Compatible transmission
• Fuel-system upgrades
• Cooling and intercooling systems
• Exhaust system
• Throttle and pedal components
• Driveshaft modifications
• CAN-bus/electronic integration
• Custom tuning