Mopar 426 Hemi V8 Engine

Legendary Chrysler Elephant Motor Performance Build

The Mopar 426 Hemi V8 is one of the most legendary American performance engines ever produced and is widely recognized as the iconic “Elephant Motor” of the muscle-car era.

Originally developed from Chrysler’s racing program, the 426 Hemi became famous for:

• Massive horsepower potential
• Hemispherical combustion chamber design
• Dominance in drag racing and NASCAR competition
• Legendary Mopar performance heritage

This particular engine configuration features premium performance upgrades including:

• ISKY roller tappet camshaft
• Dual Edelbrock/Weber carburetors
• Reported rebuild by noted Hemi specialist John Aleman

The result is a highly desirable vintage Mopar performance engine suited for:

• Muscle-car restorations
• Street-performance builds
• Drag-racing applications
• High-end collector projects

Listing Details

Included Features

• Mopar 426 Hemi V8 engine
• Reportedly rebuilt by John Aleman
• ISKY roller tappet camshaft
• Dual Edelbrock/Weber carburetors

Engine Specifications

Key Features

Legendary 426 Hemi Architecture

The 426 Hemi became famous for:

• Exceptional airflow capability
• Large hemispherical combustion chambers
• Massive high-performance potential
• Racing-dominant power delivery

Its design helped establish Chrysler’s reputation during the golden age of American motorsports.

ISKY Roller Tappet Camshaft

The ISKY camshaft setup supports:

• Improved valve-train performance
• Aggressive powerband characteristics
• Enhanced high-RPM operation

ISKY components are highly respected in:

• Vintage drag-racing engines
• Classic muscle-car builds
• Performance-oriented Hemi applications

Dual Edelbrock/Weber Carburetors

The dual-carburetor arrangement provides:

• Increased airflow capacity
• Strong throttle response
• Distinctive vintage racing appearance

This setup is especially admired in:

• Period-correct performance builds
• Show-quality engine bays
• High-performance street machines

Reported John Aleman Rebuild

John Aleman is known within Mopar performance circles for:

• Hemi engine expertise
• High-performance Mopar builds
• Racing-oriented engine preparation

Documented rebuild history can add collector and enthusiast appeal.

Historical Significance

The 426 Hemi is closely associated with:

• Mopar muscle-car dominance
• NHRA drag racing history
• NASCAR competition success
• Legendary American horsepower culture

It powered iconic performance vehicles such as:

• Dodge Charger
• Plymouth Road Runner
• Plymouth Barracuda

Collector & Performance Appeal

Authentic and professionally built 426 Hemis are highly sought after by:

• Mopar collectors
• Vintage drag-racing enthusiasts
• Muscle-car restorers
• High-end performance builders

The combination of:

• Hemi architecture
• Dual carburetors
• Roller camshaft setup
• Performance rebuild history

makes this engine especially attractive for serious enthusiasts.

Condition & Inspection Notes

Potential buyers and builders typically verify:

• Casting numbers and authenticity
• Internal rotating assembly specifications
• Compression ratio
• Camshaft profile
• Carburetor setup and tuning
• Documentation related to rebuild history

Professional inspection and dyno verification are recommended.