Die-Cast Slant-Edge Valve Covers, For Small Block Chevy. Brandname: PROFORM Part Number: 141-939 Description. Give your engine a custom look with a pair of GM licensed slant edge valve covers by Proform. The diagonal cut of the top section ensures no mess, and the bottom lip will give a tight seal.
Each of these valve covers features oversize bolts for fast removal and is designed to clear roller rockers and stud girdles. Proform manufactures these valve covers out of quality materials to ensure a proper fit and durability. WARNING : This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer.