
LSX Series Crate Engines
Chevrolet Performance’s LSX crate engines take LS power to the next level, with racing-engineered combinations that deliver power with strength for your custom car. The LSX series of crate engines are based on the LSX Bowtie Block and use a number of production-based and LSX high-performance parts to deliver ultimate performance engines that were never offered in production vehicles. See how this Chevy engine family measures up with comparisons of horsepower, torque, and other technical specifications.
LSX Series Crate Engine

LSX 454 627 HP CRATE ENGINE CHEVROLET PERFORMANCE
The LSX454 is filled with an all-forged, super-tough rotating assembly and features a pair of our deep-breathing LSX six-bolt cylinder heads. It also comes dressed with great-looking, orange powder-coated valve covers with engraved "LSX454" logos.

LSX 376-B15 473 HP CRATE ENGINE
For builder who want to stretch the performance of a turbocharged or supercharged combination, we've got just the foundation you need. Chevrolet Performance's new LSX376-B15, featuring a durable, all-forged rotating assembly to handle up to 15 pounds of boost.