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Performance Parts LT Engines LS/LSX Engines Small Block Engines Big Block Engines eCrate All Crate Engines Engine & Transmission Packages Racing Engines Transmissions Components Vehicle Upgrades All Parts Where To Buy Owner's Support

LS/LSX Engines

The foundation for an enduring legacy
and versatile, custom builds.

LS3
Engines

The engines other racers worry about. 

LS3

ls3
tbd

430

Horsepower*
tbd

6,600

Max RPM
tbd

425

lb.-ft. Torque*
tbd

6.2L

Displacement

LS364/450

ls364/450
tbd

452

Horsepower*
tbd

6,800

Max RPM
tbd

441

lb.-ft. Torque*
tbd

6.0L

Displacement

LS376/480

ls376/480
tbd

495

Horsepower*
tbd

6,600

Max RPM
tbd

473

lb.-ft. Torque*
tbd

6.2L

Displacement

LS376/515

ls376/515
tbd

533

Horsepower*
tbd

6,600

Max RPM
tbd

477

lb.-ft. Torque*
tbd

6.2L

Displacement

LS376/525

ls376/525
tbd

525

Horsepower*
tbd

6,600

Max RPM
tbd

486

lb.-ft. Torque*
tbd

6.2L

Displacement

LS9 Long Block

ls9 long block
tbd

638

Horsepower*
tbd

6,600

Max RPM
tbd

486

lb.-ft. Torque*
tbd

6.2L

Displacement

LSX
Engines

Racing-engineered for custom builds.

LSX454

lsx454
tbd

627

Horsepower*
tbd

7,100

Max RPM
tbd

586

lb.-ft. Torque*
tbd

7.4L

Displacement

LSX376-B15

lsx376-b15
tbd

473

Horsepower*
tbd

6,600

Max RPM
tbd

444

lb.-ft. Torque*
tbd

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.

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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
A Close-up Photo of Talbert Goldman Wearing Shades and a Baseball Cap

“It simplifies the whole project. If you have any issues, you plug into it, and you work on it and go from there. It makes it so simple."

Talbert Goldman
Mike Goldman Customs
View of a Chevrolet Performance Parts Crate Engine with a Red Paintjob on Top Housed in a Red GM Vehicle's Engine Bay

Featured Event

The Best Engines of Holley LS Fest East 2024
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