This A-Premium Cylinder Head Gasket is designed for Chevy Impala 2004-2005 and Buick Regal V6 3.8L models. It ensures a perfect seal to prevent leaks and maintain engine performance. Key features include compatibility with specific Chevy and Buick models, high-quality material for durability, and easy installation. Technical specifications: fits V6 3.8L engines, made from durable gasket material, suitable for 2004-2005 Chevy Impala and 2004-2006 Buick Regal models.