Chevy LS Cathedral Port Covers offer an effective way to protect your engine's intake, exhaust, and water pump ports from dirt and debris. Made from durable ABS plastic, these covers are designed to precisely fit LS engines with Cathedral ports, ensuring secure protection during storage, painting, or maintenance. Easy to install with basic hand tools, they provide a convenient solution to keep your engine clean and safeguarded. Note: These covers are specifically designed for Cathedral ports and will not fit square port heads.