Edelbrock Supercharged GEN 3 426 HEMI Crate Engine

Fits Mopar Gen III HEMI Engines

Part #: 46127

Overview

The Edelbrock Supercharged 426ci Gen III HEMI Crate Engine is a turnkey high-performance engine designed specifically for Mopar Gen III HEMI applications. Delivering an impressive 808 horsepower and 762 ft-lbs of torque, this crate engine is engineered for enthusiasts seeking a powerful and reliable upgrade for muscle car restorations, street performance builds, or race vehicles. Combining modern supercharging technology with proven Mopar durability, it offers a perfect blend of classic HEMI power and contemporary engineering.

Built on a rugged Mopar 392 iron block, this complete engine package includes Edelbrock’s E-Force supercharger system with Eaton TVS R2650 rotors, providing instant boost response and smooth drivability. The crate engine arrives fully assembled with all necessary electronics and fuel system components, simplifying installation and integration into your Gen III HEMI platform.

Key Features

This Edelbrock 426ci Gen III HEMI crate engine is packed with advanced components and technology to maximize performance and reliability:

• 426 cubic inch displacement with a 4.090" bore and 4.050" stroke
• 808 horsepower and 762 ft-lbs of torque output
• New Mopar iron 392 block engineered for strength and durability
• Forged Manley 4340 crankshaft and H-Beam connecting rods for extreme load handling
• Forged aluminum pistons with a -5cc dish to achieve a 9.9:1 compression ratio
• Edelbrock Performer RPM cylinder heads (#61099) optimized for improved airflow
• Edelbrock E-Force supercharger system featuring Eaton TVS R2650 rotors
• Driver’s side throttle body orientation for easier intake routing
• Complete supercharger kit including electric intercooler water pump, plumbing, and recovery tank
• High-flow 60 lb/hr Siemens fuel injectors, fuel rails, ignition coils, MAF sensor housing, and reusable air filter
• Requires a minimum of 91 octane fuel for optimal performance

Construction & Design

The foundation of this crate engine is a robust Mopar 392 iron block, selected for its exceptional strength and ability to withstand high horsepower applications. The rotating assembly features forged Manley components, including a 4340 forged crankshaft and H-Beam connecting rods, ensuring durability and reliability under extreme conditions. The forged aluminum pistons are designed with a -5cc dish, resulting in a balanced 9.9:1 compression ratio that optimizes power without sacrificing engine longevity.

Edelbrock Performer RPM cylinder heads (#61099) are engineered for superior airflow and combustion efficiency, complementing the aggressive camshaft profile with 226° intake and 234° exhaust duration. The supercharger system utilizes Eaton’s proven TVS R2650 rotors, delivering efficient and consistent boost across the entire RPM range for enhanced throttle response and power delivery.

Performance & Sound

With 808 horsepower and 762 ft-lbs of torque, this supercharged 426ci Gen III HEMI crate engine delivers exhilarating acceleration and strong mid-range power. The Eaton TVS supercharger provides immediate boost response, enhancing throttle sensitivity and overall engine performance. The combination of forged internals and high-flow cylinder heads produces a potent yet reliable powerplant that sounds aggressive and commanding, perfectly suited for muscle car enthusiasts who demand both performance and presence.

Installation & Fitment

This crate engine is designed specifically for Mopar Gen III HEMI applications and comes fully assembled with all necessary electronics and fuel system components for a streamlined installation process. The driver’s side throttle body orientation simplifies intake routing, and the package is compatible with universal heat exchangers (sold separately) to complete the cooling system setup. While the engine fits a broad range of Gen III HEMI platforms, professional installation is recommended to ensure proper integration with your vehicle’s drivetrain and electrical systems.

What's Included

• Complete 426ci Gen III HEMI crate engine
• Edelbrock E-Force supercharger system with Eaton TVS R2650 rotors
• Electric intercooler water pump, intercooler plumbing, and recovery tank
• Fuel rails and 60 lb/hr Siemens fuel injectors
• Ignition coils and mass air flow sensor (MAFS) housing
• Reusable air filter
• 100" 6-rib supercharger belt

Ideal For

This Edelbrock 426ci Gen III HEMI crate engine is ideal for Mopar enthusiasts building high-performance street machines, muscle car restorations, or race vehicles that demand serious power and reliability. It is perfect for those seeking a turnkey supercharged engine solution that combines modern technology with the classic HEMI performance characteristics.

Edelbrock is one of the most recognized names in American performance, building hardware for horsepower-minded street and race builds. From intake manifolds and carburetors to EFI and supporting engine components, Edelbrock’s lineup is designed to improve airflow, throttle response, and overall engine performance for classic and modern platforms alike.