Rugged And Reliable Builder's Choice

Chevrolet Performance LS3 Crate Engines

Seamless Fitment for Chevy LS Swaps

Time-Tested Street and Track Ready Designs

Warranty-Backed Chevy Reliability

SHOP LS3 CRATE ENGINES

In Stock and Ready to Ship!

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VERSATILE

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POWERFUL

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RELIABLE

LS376-525

Chevy's Best And Most Versatile

Top-quality blocks and internals combine the performance and longevity that define the Chevy muscle legacy.

Built For Upgrades

Enough torque and horsepower to stand alone, or serve as a solid foundation for future power upgrades.

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Direct-Fit Installation

Choose an install kit or connect-and-cruise option to make your LS swap or custom project easier.

Serious Power, Smart Value

Shop our selection of LS3s at unbeatable prices - you'll find an option for every build and budget.

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World-Class Warranty

Chevy LS3 crate engines are backed by an industry-leading 24-month/50,000-mile limited warranty.