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LT4 Supercharged Engine for Sale: Everything You Need to Know Before Buying

If you’re searching for an LT4 supercharged engine for sale, you’re likely serious about high-performance power. The Chevrolet LT4 is one of the most sought-after supercharged V8 engines in the performance world, delivering track-ready horsepower straight from the factory. Whether you’re upgrading a project car, building a custom muscle car, or replacing an existing engine, the LT4 offers exceptional power, reliability, and tuning potential.

In this guide, we’ll cover everything you need to know about buying an LT4 supercharged engine, including specifications, vehicle compatibility, pricing, and key considerations before purchasing.

What Is the LT4 Supercharged Engine?

The LT4 engine is a 6.2L supercharged V8 developed by General Motors. It powers high-performance vehicles such as:

Chevrolet Corvette Z06 (C7)
Cadillac CTS-V
Chevrolet Camaro ZL1

Designed for extreme performance, the LT4 combines advanced engineering with forced induction to produce impressive horsepower and torque.

LT4 Engine Specifications

Engine Type: 6.2L Supercharged V8
Displacement: 376 cubic inches
Horsepower: Up to 650 HP
Torque: 650 lb-ft
Supercharger: 1.7L Eaton R1740 TVS
Fuel System: Direct Injection
Compression Ratio: 10.0:1

This powerhouse engine is factory-built to handle high boost pressures while maintaining street reliability.

Why Buy an LT4 Supercharged Engine?

If you’re considering an LT4 engine for sale, here are the top reasons enthusiasts choose it:

1. Massive Factory Horsepower

With up to 650 horsepower out of the box, the LT4 provides supercar-level performance without requiring extensive modifications.

2. Proven Reliability

Unlike many aftermarket builds, the LT4 is OEM-engineered and factory-tested. That means durability under high stress conditions.

3. Excellent Tuning Potential

The LT4 responds well to performance upgrades such as:

Smaller supercharger pulleys
Camshaft upgrades
Ported blower
E85 conversion
Long-tube headers

With proper tuning, it’s common to see 700–800+ horsepower.

4. Perfect for Engine Swaps

The LT4 crate engine is popular for swaps into:

Classic muscle cars
Restomod builds
Custom trucks
High-performance street cars

Its compact design and aftermarket support make installation more manageable than many other supercharged setups.

LT4 Crate Engine vs Used LT4 Engine

When searching for an LT4 supercharged engine for sale, you’ll typically find two main options:

Brand-New LT4 Crate Engine

Zero miles
Factory warranty (when purchased through authorized dealers)
Includes supercharger and accessories (depending on package)
Higher cost

Best for: Builders who want reliability and warranty protection.

Used or Pulled LT4 Engine

Removed from wrecked or salvaged vehicles
Lower upfront cost
May require inspection or rebuild
Limited or no warranty

Best for: Budget-focused performance builds.

How Much Does an LT4 Supercharged Engine Cost?

Pricing varies depending on condition and package.

New LT4 crate engine: $9,000 – $18,000
Used LT4 engine: $5,000 – $14,000
Fully dressed swap packages: $7,000 – $22,000

Factors that affect pricing:

Mileage (for used engines)
Included accessories (ECU, wiring harness, supercharger lid, etc.)
Shipping costs
Seller reputation

Always compare multiple listings before making a purchase.

What to Look for When Buying an LT4 Engine

Before purchasing an LT4 engine for sale, consider these critical factors:

1. Engine Condition

If buying used:

Ask for compression test results
Request detailed photos
Check service history
Confirm mileage

2. Included Components

Some listings include:

Supercharger assembly
Fuel injectors
Throttle body
Engine harness
ECU

Others may sell the long block only. Verify exactly what you’re getting.

3. Compatibility

Ensure compatibility with:

Your transmission (manual or automatic)
Engine mounts
Cooling system
Fuel system
ECU and wiring setup

4. Seller Reputation

Buy from:

Authorized GM Performance dealers
Reputable performance shops
Verified online marketplaces with reviews

Avoid deals that seem significantly under market value without proof of condition.

Is the LT4 Engine Right for Your Build?

The LT4 supercharged engine is ideal if you want:

Instant boost and torque
Modern performance technology
Street and track capability
High resale value

However, keep in mind:

Supercharged engines require proper cooling
Installation may require professional tuning
Fuel system upgrades are often necessary for swaps

If you’re building a high-horsepower street machine or restomod, the LT4 is one of the best plug-and-play forced induction options available.

Common Upgrades for the LT4 Engine

Many buyers searching for an LT4 supercharged engine for sale also plan performance upgrades. Popular modifications include:

Ported supercharger
Upgraded camshaft
High-flow intake system
Larger heat exchanger
Performance exhaust system
Flex fuel conversion

With proper tuning, the LT4 can reliably exceed factory output while maintaining drivability.

Where to Find an LT4 Supercharged Engine for Sale

You can find LT4 engines through:

GM Performance Parts dealers
High-performance engine shops
Online automotive marketplaces
Salvage and auction platforms
Specialty engine importers/exporters

Always verify shipping policies and warranty details before completing your purchase.

Frequently Asked Questions (FAQ)

How much horsepower does the LT4 make?

The LT4 produces up to 650 horsepower and 650 lb-ft of torque in factory configuration.

Is the LT4 better than the LT1?

Yes, the LT4 includes a supercharger and produces significantly more horsepower than the naturally aspirated LT1.

Can I daily drive an LT4 engine?

Yes. The LT4 is factory-installed in production vehicles and is designed for both street and track use.

Does the LT4 require premium fuel?

Yes. Premium high-octane fuel is recommended for optimal performance.

Final Thoughts: Is the LT4 Worth It?

If you’re searching for an LT4 supercharged engine for sale, you’re looking at one of the most powerful and reliable factory supercharged V8 engines available today. With 650 horsepower, strong aftermarket support, and proven durability, the LT4 is an excellent investment for serious performance enthusiasts.

Whether you’re building a restomod, upgrading your current ride, or planning a full engine swap, the LT4 delivers supercharged performance with OEM reliability.

Ready to take your build to the next level? Start comparing available LT4 engines today and choose the option that fits your performance goals and budget.