4th Generation LS:

The LS2 engine, a pivotal member of the fourth generation LS family, represents an evolution over its predecessor, the LS1, with a focus on increased displacement, refined cylinder head design, and enhanced power output. Introduced in 2005, the LS2 retains the lightweight construction ethos of the LS family, featuring an aluminum block and cylinder heads that contribute to its impressive power-to-weight ratio.

The engine is a 6.0-liter V8 made up of the lightweight aluminum block and cylinder heads. With improvements over the LS1, the LS2 featured a higher displacement, better breathing cylinder heads, and increased power. It produced approximately 400 to 405 horsepower and 400 lb-ft of torque in stock form. The LS2’s characteristics made it a popular choice for performance enthusiasts and engine swappers due to its impressive power potential and adaptability.