Mopar 6.2L HEMI Long Block – OEM Replacement for Hellcat Challenger & Charger (2018–2023)
This authentic Mopar 6.2L HEMI long block is a genuine OEM engine assembly built for Hellcat platforms. Designed as a direct replacement for damaged or worn engines, this long block delivers factory-level durability, thermal stability, and components engineered for supercharged high-output duty. It’s a strong foundation for both restoration and performance builds.
Key Features
- Genuine Mopar OEM 6.2L HEMI long block assembly
- Cast iron block engineered for supercharged performance
- Forged rotating assembly for strength and reliability
- Designed for sustained supercharged use
- Complete bottom end ready for buildup or replacement
Engine Overview
- Displacement: 6.2 Liters
- Configuration: V8, Supercharged HEMI
- Block Material: Cast iron
- Rotating Assembly: Forged crankshaft, rods, and pistons
- Oil System: OEM lubrication designed for performance duty
This long block was engineered by Mopar to withstand the elevated loads, pressures, and thermal demands associated with Hellcat supercharged operation while maintaining factory standards of durability and life.
Applications & Fitment
- 2018–2023 Dodge Challenger SRT Hellcat
- 2018–2023 Dodge Charger SRT Hellcat
This engine is intended for vehicles originally equipped with the 6.2L HEMI Hellcat platform. If your vehicle has non-standard modifications (non-OEM lid, custom intercooler, modified intake geometry, etc.), contact HHP for confirmation.
Intended Use & Build Orientation
OEM Replacement
- Direct OEM long block replacement with factory geometry and tolerances
- Restores factory performance without departure from original build plans
- Compatible with factory driveline and accessory configurations
High-Performance Street & Strip Builds
- Serves as a reliable base for boosted combinations with proper supporting mods
- Works with upgraded superchargers, intake systems, and exhaust headers
- Replaces the original engine with minimal geometry changes for performance upgrades
Race & Heavy Duty Uses
- Can serve as the starting point for higher-output applications when married with correct tune and fuel system
- Recommended for users advancing beyond factory demons of horsepower
What’s Included
- Mopar OEM 6.2L HEMI long block assembly
Not Included
- Supercharger assembly
- Intake, throttle body, or intake manifold
- Headers or exhaust components
- Oil Pan, Pickup & Gasket
- Fuel system upgrades
- Tuning or calibration
- Accessory drive components
Recommended Supporting Upgrades
- Supercharger systems: OEM or aftermarket TVS upgrades matched to your goals
- Intake system: high-flow intake and throttle body for increased airflow
- Headers / exhaust: reduced backpressure for improved efficiency and power
- Tuning: required for performance builds and pulley changes
Important Notes
- This is a high-performance engine assembly requiring professional installation
- Supporting components are required to operate this long block (supercharger, intake, fuel system, etc.)
- Power output depends on the supercharger configuration, tune, fuel type, and supporting mods
HHP Expertise & Support
High Horse Performance specializes in Hellcat engine and performance systems. From supercharger selection to intake and header combinations, we can help you plan a complete, reliable, high-output HEMI system. Contact us with your vehicle details and horsepower goals and we will assist you with the right combination.