Hellcat 6.2L Supercharged Engine Dressed 707hp # 68303089ACTRX

Hellcat 6.2L Supercharged Engine Dressed — 707hp

Unleash unprecedented power with the Hellcat 6.2L Mopar Hemi crate engine, dressed and ready for installation. This Hellcrate delivers a ferocious 707 hp and 650 lb-ft of torque, making it a prime choice for high-performance builds, including Mopar enthusiasts, Dodge Ram projects, and TRX-inspired swaps. Built to endure high-RPM glory while maintaining reliability, it’s engineered to meet the demands of serious horsepower enthusiasts.

Key specifications

• Displacement: 6.2 liters (376 cu in)
• Bore x Stroke: 103.9 mm x 90.9 mm
• Block: Cast iron with 4-bolt powder metal main caps
• Crankshaft: Forged steel
• Connecting rods and floating pins: Diamond-Like Coating (DLC) for reduced friction and wear
• Pistons: Forged material
• Cylinder heads: 356 aluminum with hemispherical chamber
• Intake valve: 54.3 mm
• Exhaust valve: 42 mm
• Valvetrain details: Intake valves feature hollow stems; Exhaust valves have sodium-filled stems
• Valve lift and duration (approximate): Intake 14.25 mm lift at 278 degrees; Exhaust 14.0 mm lift at 304 degrees
• Compression ratio: 9.5:1
• Maximum RPM: 6,200
• Replaces part numbers: 68303089AB, 68303089AA
• Freight quote: Please contact us prior to purchase for the freight quote

What makes it stand out

• 707 hp and 650 lb-ft of torque from a compact, purpose-built crate engine designed for high-performance Mopar builds
• 6.2L Hellcrate HEMI with robust, race-proven internals including a forged steel crank and DLC-coated rods/pins for durability under aggressive tuning
• 356 aluminum cylinder heads with hemispherical combustion chambers for efficient airflow and strong cylinder pressure
• Cast iron block with four-bolt main caps provides a solid foundation for aggressive power delivery
• Carefully chosen valve train specifics (hollow intake stems, sodium-filled exhaust stems) to balance efficiency and heat management in demanding use

Installation and compatibility notes

Engine is described as “dressed” for installation and is intended for Mopar HEMI applications. For freight arrangements and any fitment considerations, please contact us before purchase to obtain a freight quote and confirm compatibility with your build.