Top 10 Best Hemi Crate Engines for Performance | Buy Hemi Engines Online

Introduction: 10 Best Hemi Crate Engines

The Power of Hemi Crate Engines

For performance enthusiasts, Hemi crate engines represent the pinnacle of raw power, durability, and legacy. Whether you’re upgrading a muscle car, drag racing machine, or high-performance truck, the legendary Hemi V8 delivers unmatched performance.

Why Hemi Crate Engines?

Hemi engines have a long-standing reputation in the automotive industry for their superior combustion efficiency, high horsepower, and versatile applications. This guide will explore the top 10 best Hemi crate engines to help you choose the best one for your build.

Understanding Hemi Crate Engines

What Are Hemi Crate Engines?

A Hemi crate engine is a pre-assembled, ready-to-install V8 engine featuring Chrysler’s iconic hemispherical combustion chamber design. These engines come in various configurations, from naturally aspirated to supercharged beasts.

Why Are They Popular?

✅ High Power & Torque – Engineered for raw performance.
✅ Superior Airflow Efficiency – Hemispherical design for optimized combustion.
✅ Versatility – Used in muscle cars, trucks, boats, and drag racing.
✅ Aftermarket Support – Wide availability of tuning and performance upgrades.

Criteria for Selection

To make this top 10 list, each Hemi crate engine was evaluated based on:

• Power & Torque Output – More HP and torque means better performance.
• Reliability & Build Quality – Proven durability and ease of maintenance.
• Customization Potential – Availability of aftermarket upgrades.
• Value for Money – Cost-effectiveness for different performance levels.

Top 10 Best Hemi Crate Engines for Performance

1. Dodge 6.4L 392 Hemi Crate Engine

Displacement	6.4L V8
Horsepower	485 HP
Torque	475 lb-ft
Max RPM	6,400

✅ Ideal for muscle cars and trucks
✅ Affordable and reliable
❌ Lacks forced induction power

Features:

• Aluminum cylinder heads with hemispherical combustion chambers for optimal airflow.
• Cast-iron block with 4-bolt main caps ensures long-term durability.
• Comes as a complete engine assembly, including:
  • Water pump
  • Flywheel and clutch
  • Front sump oil pan
  • Intake manifold with throttle body
  • Fuel injectors and ignition coil packs
• Non-MDS (Multiple Displacement System) for consistent performance.
• Premium fuel recommended for maximum efficiency.
• Direct shipping available from multiple depots nationwide.

Warranty & Installation Notes:

• Covered by Mopar’s 3-Year / 100,000-Mile Powertrain Limited Warranty.
• To qualify for the full warranty, installation kits must be purchased together with the engine.
• Proper fitment may require modifications and additional accessories.

✅ Related Parts:

• Crate Engine Wiring Kit – Required for proper installation.
• Front Accessory Drive Kit – Ensures seamless fitment.
• Power Steering Expansion Kit – Enhances steering capability.
• Rear Sump Oil Pan Kit – Provides additional clearance for certain vehicles.

2. Dodge 6.2L Supercharged Hellcat Redeye Crate Engine

Displacement	6.2L Supercharged V8
Horsepower	807 HP
Torque	717 lb-ft
Max RPM	6,500

✅ Extreme horsepower for racing
✅ Forged internals for durability
❌ Expensive and requires additional tuning

Features:

• Supercharged Gen III HEMI V8 engine
• 2.7L supercharger for massive forced induction performance
• Premium forged alloy steel crankshaft
• Cast iron block with 4-bolt main caps for strength and longevity
• High-strength forged pistons and connecting rods
• Aluminum cylinder heads with hemispherical combustion chambers
• 54.3mm intake valves and 42mm exhaust valves
• Compression ratio: 9.5:1
• Peak RPM: 6,500

Included Components:

• Water pump
• Front sump oil pan
• Intake manifold with throttle body
• Fuel injectors and ignition coil packs

Important Notes:

• Premium fuel recommended for peak performance
• Not designed as a direct factory replacement—modifications required
• VIN number required for order processing
• Sold separately: Engine Controller Kit (P/N: 77072601AA / 77072452AF for 2015-2017 models, 77073010AA for 2021-2023 models)

Warranty & Installation Notes:

• Covered by a Mopar 3-Year / 100,000-Mile Powertrain Limited Warranty
• Installation kit must be purchased on the same invoice to qualify for the full warranty
• If no installation kit is provided, only a 90-day parts exchange warranty applies

✅ Extreme horsepower for racing
✅ Forged internals for durability
❌ Expensive and requires additional tuning

3. Mopar Hellephant Crate Engine

Displacement	7.0L Supercharged V8
Horsepower	1,000 HP
Torque	950 lb-ft

✅ Unmatched power output
✅ A legend in the Hemi lineup
❌ Very expensive and requires advanced tuning

4. Mopar Hellcat HEMI Crate Engine

Displacement	6.2L V8
Horsepower	707 HP
Torque	650 lb-ft

✅ Supercar-level performance
✅ Proven reliability
❌ Requires premium fuel and maintenance

5. Mopar 5.7L HEMI Crate Engine

Displacement	5.7L V8
Horsepower	350 HP
Torque	390 lb-ft

✅ Affordable entry into Hemi performance
✅ Excellent for daily drivers
❌ Less horsepower than higher-tier Hemi engines

6. Mopar 6.1L HEMI Crate Engine

Displacement	6.1L V8
Horsepower	425 HP
Torque	420 lb-ft

✅ Balanced power and efficiency
✅ Great for street builds
❌ Limited upgrade potential

7. Mopar 6.4L SRT HEMI Crate Engine

Displacement	6.4L V8
Horsepower	485 HP
Torque	475 lb-ft

✅ Reliable and powerful
✅ Perfect for muscle cars
❌ Naturally aspirated – lacks supercharged punch

8. Mopar 6.2L Demon Crate Engine

Displacement	6.2L Supercharged V8
Horsepower	840 HP
Torque	713 lb-ft

✅ Extreme power for drag racing
✅ Factory-tuned for high performance
❌ High cost and limited availability

9. Mopar 5.7L HEMI Magnum Crate Engine

Displacement	5.7L V8
Horsepower	345 HP
Torque	375 lb-ft

✅ Reliable and cost-effective
✅ Good for trucks and muscle cars
❌ Lower performance compared to Hellcat variants

10. Mopar 6.4L HEMI 392 Scat Pack Crate Engine

Displacement	6.4L V8
Horsepower	485 HP
Torque	475 lb-ft

✅ Well-rounded for street and track use
✅ Highly durable and efficient
❌ Not supercharged

Conclusion

The best Hemi crate engine for your build depends on your specific horsepower goals, budget, and intended use. Whether you’re looking for an affordable 5.7L HEMI or an extreme-performance Hellephant, there’s a Hemi crate engine for every performance need.

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