The Edelbrock #41643 Racing Series valve covers are designed for Chevy 262-400 V8 1959-86 applications. These new Racing Series accessories are the latest addition to our line of engine dress-up accessories. Made from heavy-gauge, die-cast aluminum, these valve covers feature a sleek flat black textured finish with diamond cut finish raised racing stripe and Edelbrock Racing logo. The modern high-tech look will give any engine an aggressive look to match it's performance. Our Tall Profile are 2" taller than stock, and clear most roller rockers and valvetrain components. Our Low Profile valve covers clear all air-conditioning, alternator brackets and aluminum rockers. Overall height is measured from gasket flange to top at the highest point.Installation Notes: • Black Textured Finish • Overall Height: 4.51” Tall Profile • Will not fit 1986 & later Corvette aluminum heads or 1987 & later S/B Chevy cast iron heads. • Some tall profile valve covers will interfere with air-conditioning compressors, EGR valves and power brake boosters.