The Chevrolet LSX engine is a masterpiece of modern performance engineering — a powerhouse born from the legendary LS family and refined by Chevrolet Performance to handle extreme horsepower and durability demands. Designed for racers, builders, and enthusiasts who crave ultimate strength and reliability, the LSX represents the peak of small-block innovation.
Built with a cast-iron block, forged internals, and six-bolt main caps, the LSX engine was engineered to endure immense stress under high-boost and racing conditions. Its robust design allows it to easily produce over 1,000 horsepower, making it one of the most trusted foundations for drag racing, road racing, and custom street builds.
Beyond brute strength, the LSX offers incredible versatility and tunability. Available in multiple displacements — from 376 cubic inches (6.2L) to 454 cubic inches (7.4L) — it provides builders with endless possibilities for customization and performance optimization.
From the racetrack to the open highway, the LSX engine defines what true performance means — a seamless blend of power, precision, and endurance. Celebrated by tuners and racing professionals worldwide, the LSX stands as a symbol of Chevrolet’s engineering excellence and a benchmark for high-performance engines everywhere.
