Description
392 HEMI Crate Engine – Mopar’s Naturally Aspirated Powerhouse
Introduction
For decades, Mopar’s HEMI engines have defined muscle car performance, blending legendary power with unbeatable reliability. The tradition continues with the392 hemi crate engine, a naturally aspirated 6.4L powerhouse that offers nearly 500 horsepower in a ready-to-install package. Whether you’re restoring a classic, upgrading a modern project, or building a custom street machine, the 392 hemi crate engine provides the perfect balance of brute force and factory refinement.
Product Overview
The 392 HEMI crate engine comes directly from Dodge’s most respected performance lineup, including the Challenger SRT 392, Charger Scat Pack, and other modern Mopar icons. Recognizing the demand from enthusiasts, Mopar engineered this engine as a complete crate motor—ready to bring modern muscle performance into any build.
This engine is ideal for restomods, hot rods, Jeep swaps, and classic muscle cars, offering builders a reliable way to achieve nearly 500 horsepower without forced induction. If you’re searching for a Mopar upgrade that combines heritage with modern performance, the hemi 392 crate engine is the go-to choice.
Technical Specifications & Features
At its heart, the 392 HEMI crate engine is designed for durability and everyday drivability while still delivering serious performance.
Displacement: 6.4L / 392 cubic inches
Horsepower: ~485 hp
Torque: ~475 lb-ft
Configuration: Naturally aspirated V8 for smooth, linear power delivery
Internals: Forged steel crankshaft, high-strength rods, and lightweight pistons for long-lasting reliability
Compatibility: Designed for easy integration into Mopar platforms and custom projects
Mopar built this engine to handle street cruising, track days, or daily driving with ease. The hemi 392 crate engine proves you don’t need a supercharger to achieve thrilling performance and iconic Mopar sound.
Performance Benefits
The appeal of the 392 HEMI crate engine lies in its balance. With nearly 500 horsepower and a broad torque curve, it delivers instant response across the RPM range. Unlike turbocharged or supercharged options, it provides predictable, smooth acceleration with minimal maintenance.
Perfect for classic Dodge and Plymouth restomods, Jeep off-road builds, and custom projects, this engine is as versatile as it is powerful. For enthusiasts seeking a more affordable and practical option than the supercharged Hellcat engines, the hemi 392 crate engine delivers plenty of muscle without compromise.
Why Buy the 392 HEMI Crate Engine?
Factory-Backed Power: Designed and built by Mopar for proven performance.
Reliable Output: Nearly 500 hp and 475 lb-ft of torque in a naturally aspirated setup.
Versatile Applications: Ideal for swaps, restorations, or custom projects.
Heritage Meets Modern Engineering: The legendary HEMI name with today’s technology.
When it comes to modern crate motors, the Hemi 392 crate engine offers unmatched value, performance, and Mopar reliability. Upgrade your build today with one of the most iconic naturally aspirated HEMI engines ever produced.
| Engine | 392ci 6.4L HEMI |
| Horsepower | 485HP |
| Torque | 475FT/LBS |
| Compression Ratio | 10.9:1 |
| Block | Cast Iron w/ 4-Bolt powder metal caps, 103.9mm bore |
| Crankshaft | Forged steel, 94.6mm stroke |
| Heads | Aluminum, Hemispherical chamber |
| Valves | 54.3mm intake/42mm exhaust |
| Peak RPM | 6,400RPM |





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