Upgrade your engine's performance with the Edelbrock Cylinder Sleeves, designed specifically for cylinders 1 and 8. This cast iron sleeve ensures durability and strength, making it a reliable choice for high-performance applications. Constructed from high-quality cast iron for enhanced durability and resistance to wear. With a length of 9.240 inches, this sleeve is tailored to meet specific performance needs. Ideal for use with RHS Race blocks, ensuring compatibility and peak performance in racing conditions. Sold individually, allowing for easy replacement or upgrades as needed. The Edelbrock Cylinder Sleeves are essential components for serious racers and performance enthusiasts looking to enhance their engine's capabilities. Invest in quality and reliability with Edelbrock.