Easy to install, this valve cover set is compatible with most Small Block Chevy engines, providing a perfect fit and exceptional functionality. Elevate your engine's style and performance with the HOLLEY 241-242 valve cover, designed for enthusiasts who demand the best. Features: Material: High-quality aluminum construction for durability Finish: Black powder coat for added protection and style Design: Finned design for a classic vintage look Functionality: Features a breather hole for optimal engine performance Compatibility: Tailored for Small Block Chevy engines.