The New NOS Mr Gasket Valve Cover Set 9800 is a high-quality performance part designed for Small Block Chevy Chevrolet engines. Made by the trusted brand Mr Gasket, these valve cover gaskets are manufactured to provide a secure seal for optimal engine performance. Specifically designed for 305, 327, and 350 engines, this set is a reliable and durable choice for car enthusiasts looking to enhance their engine's performance. Perfect for maintaining or upgrading your Chevrolet engine, these valve cover gaskets are a must-have for any car part collection.