Introduction: The Power of the 454 Engine

If you’re searching for a 454 engine for sale, you’re likely looking to harness raw power and unmatched performance. The Chevrolet 454 big block V8 is one of the most iconic engines ever built, known for its brute strength, roaring torque, and reliability in muscle cars, hot rods, and trucks. Whether you’re restoring a classic, upgrading your street rod, or building a race car, the 454 engine remains a top choice in 2025.

In this comprehensive guide, we’ll cover:

• What is a 454 engine?

• Key features and specifications

• Common applications

• Where to find 454 engines for sale

• Price ranges (new, used, rebuilt, and crate)

• What to consider before buying

• FAQs

---

What is a 454 Engine?

The 454 engine, introduced by General Motors in 1970, is a member of the Chevy Big Block V8 family, particularly the Mark IV series. It was designed to deliver immense power for large vehicles and high-performance muscle cars.

Core Specifications:

• Displacement: 7.4L (454 cubic inches)

• Configuration: V8

• Bore x Stroke: 4.25″ x 4.00″

• Horsepower: 360–500+ HP (stock to modified)

• Torque: 500–600 lb-ft (varies)

• Fuel: Gasoline

• Applications: Muscle cars, heavy-duty trucks, marine engines, and performance builds

---

History and Legacy of the 454 Engine

Originally created for the Chevrolet Chevelle SS, Corvette, and Monte Carlo, the 454 engine quickly gained popularity in racing circuits and among car enthusiasts. It later evolved into multiple versions, including:

• LS5 – Moderate performance (360 HP)

• LS6 – High performance (450+ HP)

• Vortec 7400 (L29) – Used in GM trucks (1996–2000)

• Marine Variants – Used in boats due to torque delivery

The 454 is often favored for its aftermarket support, build versatility, and legendary torque.

---

Types of 454 Engines for Sale

Before buying, it’s important to know the different types of 454 engines available in today’s market.

1. Used 454 Engines

These are pulled from donor vehicles or rebuilt machines. Ideal for budget-conscious buyers or restoration projects.

• Pros: Affordable

• Cons: May require rebuilding or refurbishing

2. Rebuilt or Remanufactured 454 Engines

Professionally restored to factory specs using new parts.

• Pros: Reliable performance

• Cons: Higher cost than used

3. Crate 454 Engines

Brand new or custom-built engines shipped ready to install. Available from GM Performance or third-party builders.

• Pros: Warranty included, no wear and tear

• Cons: Higher cost

4. Performance-Built 454 Engines

Engines with high-performance modifications—great for racing or off-roading.

• Pros: Increased HP/Torque

• Cons: Custom-tuned for specific applications

---

Common Applications of the 454 Engine

If you’re searching for a 454 engine for sale, you likely have one of these use cases in mind:

Muscle Cars:

• 1970–1976 Chevrolet Chevelle SS

• 1970–1974 Chevrolet Corvette

• Camaro (LSX builds or retrofits)

Classic Trucks:

• Chevrolet C/K series trucks

• Suburban and Blazer models

Hot Rods and Restomods:

• Popular for custom-built street machines

Marine Engines:

• Used in performance boats and yachts

Motorhomes:

• Reliable torque delivery for heavy loads

---

Where to Find a 454 Engine for Sale

Here’s a list of reliable places to shop for a 454 engine in 2025:

1. Online Marketplaces

• eBay Motors – Thousands of listings; filters for used/new

• Craigslist – Local deals but buyer beware

• Facebook Marketplace – Good for private sellers and local finds

2. Engine Retailers

• JEGS Performance – Offers GM crate engines and custom builds

• Summit Racing – Rebuilt 454s and accessories

• BluePrint Engines – Performance-built crate engines with warranty

• ATK High Performance Engines – Long blocks and stroker kits

3. Salvage Yards

• Great for budget used engines

• May offer warranty on parts

• VIN verification is essential

4. GM Performance Dealers

• New 454 HO crate engines

• Comes with factory warranty

5. Local Builders or Machine Shops

• Custom-built 454 engines for racing or off-road

• One-on-one consultation and tuning

---

How Much Does a 454 Engine Cost in 2025?

Prices vary depending on condition, build quality, and modifications.

Factors that affect pricing:

• Bore size and stroke (stock or stroked to 496+)

• Brand (GM, BluePrint, ATK, custom builders)

• Carbureted vs EFI

• Warranty coverage

• Shipping costs

---

Things to Consider Before Buying a 454 Engine

1. Compatibility

Ensure the engine fits your chassis and mounts. Consider:

• Motor mounts

• Transmission compatibility (TH400, 4L80E, etc.)

• Cooling system upgrades

2. Engine Condition

Used or rebuilt? Look for:

• Compression test results

• Leak-down test

• Visual inspection (cracks, oil leaks)

3. Warranty

Crate and remanufactured engines often come with:

• 12-month or 24-month warranties

• Mileage caps (e.g., 12,000 miles)

4. Horsepower and Purpose

Decide your power goals:

• Street driving (350–450 HP)

• Drag racing (600+ HP)

• Towing or off-road torque

5. Fuel System

Consider:

• Carbureted setup (simple and classic)

• Fuel injection (modern EFI systems)

6. Shipping and Installation

Check shipping rates and crate size. Also plan for:

• Engine hoist/rentals

• Professional install if needed

• Break-in procedures

---

Best 454 Engine Models to Buy in 2025

🔧 Chevrolet Performance 454 HO

• 438 HP / 500 lb-ft

• Forged crankshaft and high-flow heads

• ~$8,000–$10,000

🔧 BluePrint 454 Crate Engine

• Dyno tested

• Up to 550 HP

• Includes aluminum heads

• ~$9,000–$12,000

🔧 ATK High Performance 496 Stroker

• Based on 454 block

• Up to 600 HP

• Forged internals

• ~$11,000–$15,000

---

Pros and Cons of Buying a 454 Engine

✅ Pros:

• Legendary torque and power

• Readily available parts

• Easy to modify

• Perfect for restomods and racing

• Long-term performance investment

❌ Cons:

• Heavy engine (adds weight)

• Poor fuel economy

• Higher emissions (for older versions)

• Initial cost can be high

---

Frequently Asked Questions (FAQs)

❓ Is the 454 engine still in production?

No, original GM 454s are no longer in regular production, but crate versions and remanufactured 454 engines are still widely available.

❓ What vehicles had the 454 engine?

The 454 was found in vehicles like:

• 1970–1974 Corvette

• 1970–1976 Chevelle SS

• C/K Series Trucks

• Suburban and Blazer (HD versions)

❓ How much horsepower does a 454 engine have?

Stock versions ranged from 360 to 450 HP, while crate and performance builds can exceed 600+ HP.

❓ Is the 454 engine good for towing?

Absolutely. Its high torque makes it excellent for towing in motorhomes, boats, and trucks.

❓ What’s the difference between a 454 and a 496?

A 496 stroker is a modified 454 with increased stroke and displacement, offering more torque and HP, ideal for performance applications.

❓ Can you run EFI on a 454 engine?

Yes, you can upgrade to electronic fuel injection (e.g., Holley Sniper EFI) for better drivability, mileage, and cold starts.