Cylinder Sleeve 4.0820 Bore 6.875 OAL 4.052 ID

The Melling Cylinder Sleeve 4.0820 Bore 6.875 OAL (CSL1155) is a precision-engineered cast iron sleeve designed for engine block repair and restoration work. This component effectively addresses cylinder wall damage, scoring, and wear that can compromise compression and oil control in high-mileage or modified engines. It serves as a cost-effective solution for enthusiasts rebuilding street engines or prepping classic cars for competition.

Manufactured by Melling, a trusted OEM and aftermarket supplier, this cylinder sleeve features a 4.0820-inch bore diameter, a 4.052-inch inner diameter, and a 6.875-inch overall length. The cast iron construction ensures durability and stability under sustained load and heat cycling. The tight dimensional tolerance allows for proper honing and finishing to match OEM specifications, maintaining critical compression ratios and ring sealing geometry.

This sleeve is ideal for mechanics and engine builders working on cast iron blocks with damaged cylinder walls, particularly those running higher boost pressures or nitrous systems. Its design allows for restoration without the need for complete block replacement, making it a valuable component for serious automotive enthusiasts.