6.2L LSA Bare Aluminum Engine Block

The Chevrolet Performance 6.2L LSA engine block is a bare aluminum block engineered for GM LS-Series vehicles, serving as a durable foundation for high-performance builds. This block features a 4.065-inch finished bore and a 9.240-inch deck height, along with a robust 6-bolt main configuration and a 1-piece rear main seal for enhanced reliability. Constructed from lightweight, high-strength aluminum, this bare block is designed to support over 550 horsepower, making it suitable for both mild street engines and extreme Outlaw applications. Its dimensions and specifications make it a direct replacement for certain factory applications, including the 2009-2012 Cadillac CTS-V with the 6.2L supercharged engine and the 2012 ZL1 Camaro. Chevrolet Performance engines and components are known for their quality and proven performance, offering enthusiasts a way to add enhanced capabilities to stock vehicles or create custom powerplants.