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LT ENGINES

Corvette-level performance with state-of-the-art direct injection technology.

L8
Engines

Heavy-duty power and pull.

L8E

l8e
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TBD

Horsepower*
A Yellow Speedometer Icon

6,600

Max RPM
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TBD

lb.-ft. Torque*
A Yellow Displacement Icon

400 (6.6L)

Displacement

L8P

l8p
A Yellow Horsepower Icon

523

Horsepower*
A Yellow Speedometer Icon

6,000

Max RPM
Two Yellow Gears Slightly Apart with an Arrow Pointing at a Curve from the Left One to the Other

543

lb.-ft. Torque*
A Yellow Displacement Icon

6.6L

Displacement

L8T

l8t
A Yellow Horsepower Icon

401

Horsepower*
A Yellow Speedometer Icon

5,600

Max RPM
Two Yellow Gears Slightly Apart with an Arrow Pointing at a Curve from the Left One to the Other

464

lb.-ft. Torque*
A Yellow Displacement Icon

6.6L

Displacement
#/#

LT4
Engines

Redefining what supercharged means.

LT4

lt4
A Yellow Horsepower Icon

650

Horsepower*
A Yellow Speedometer Icon

6,600

Max RPM
Two Yellow Gears Slightly Apart with an Arrow Pointing at a Curve from the Left One to the Other

650

lb.-ft. Torque*
A Yellow Displacement Icon

6.2L

Displacement

LT4 E-ROD*

lt4 e-rod
A Yellow Horsepower Icon

650

Horsepower*
A Yellow Speedometer Icon

6,600

Max RPM
Two Yellow Gears Slightly Apart with an Arrow Pointing at a Curve from the Left One to the Other

650

lb.-ft. Torque*
A Yellow Displacement Icon

6.2L

Displacement
#/#

LT1
Engines

Modern muscle that makes a name for itself.

LT1

lt1
A Yellow Horsepower Icon

455

Horsepower*
A Yellow Speedometer Icon

6,600

Max RPM
Two Yellow Gears Slightly Apart with an Arrow Pointing at a Curve from the Left One to the Other

455

lb.-ft. Torque*
A Yellow Displacement Icon

6.2L

Displacement

LT1 E-ROD*

lt1 e-rod
A Yellow Horsepower Icon

455

Horsepower*
A Yellow Speedometer Icon

6,600

Max RPM
Two Yellow Gears Slightly Apart with an Arrow Pointing at a Curve from the Left One to the Other

455

lb.-ft. Torque*
A Yellow Displacement Icon

6.2L

Displacement
#/#
Several Engineers in White Lab Coats Examine a Chevrolet Crate Engine

Decades of Building Performance

A look back at the LS, LSX, and LT Engine Family Histories.

View Timeline
Engine & Transmission Packages
Engine & Transmission Packages

Factory-matched Connect & Cruise* engine-and-transmission combinations that deliver.
Learn More
A Chevrolet Performance Parts Connect and Cruise Powertrain System
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“All LT1 and LT4 A2 engines have Dynamic Fuel Management and Variable Valve Timing.”

Steve, Design Release Engineer - Performance Parts / LT Engines

Discover more expert answers and insights from our Chevrolet Performance engineering team below.
Explore FAQ

2026 HOT ROD Power Tour

Chevy Performance cruises the Heartland for the 32nd annual high-performance road trip
Front View of Chevrolet Sport Cars Racing on Track
Chevrolet Hot Rod Sports Vehicle Engine
Aerial View of Car Show With Chevrolet Sports Cars and Trucks
Orange Chevrolet Hot Rod Sports Vehicle
Orange Chevrolet Hot Rod Sports Vehicle With Open Trunk and Luggage Inside
Classic Orange Chevrolet Car Parked Outside of Brick Building
Explore the Event

Parts intended for competition use only*

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LT ENGINES FREQUENTLY ASKED QUESTIONS

Answers from Steve, our Chevrolet Performance LT Engine Design Release Engineer

What is the difference between LT and LS?

There are many differences. The LS family belongs to GM's Gen 3 and Gen 4 V8 engines. The LT family is a Gen 5 architecture. A few of the differences: LS engines use Port Fuel Injection and LT engines are Direct Injection. Active Fuel Management is only found on specific LS engines. All LT1 and LT4 A2 engines have Dynamic Fuel Management and Variable Valve Timing. 

Can you use LS parts in an LT build?

Most LS parts cannot be used on an LT engine.  

Do I need to tune an LT crate engine after installation?

Yes. We offer a complete control kit with our unique calibration for the LT crate engine.

What is a Chevrolet Performance LT4 engine?

A Gen5 supercharged engine from our production Camaro that is used for Chevrolet Performance.  

Can I put an LT crate engine in a classic car or truck?

Yes, you can put an LT crate engine in a classic car or truck!
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