Cylinder Sleeve 4.320 ID 4.250 OD 5.50 Length

The Cylinder Sleeve 4.320 ID 4.250 OD 5.50 Length by MELLING is a precision engine block component designed for heavy-duty applications in automotive and industrial powerplant builds. This sleeve is essential for restoring cylinder integrity in worn blocks or providing reinforced cylinder walls in performance vehicles. It is ideal for operators and technicians who require reliability in mission-critical equipment.

Manufactured by MELLING, a recognized authority in engine reconditioning, this cylinder sleeve features a 4.320-inch inner diameter and a 4.250-inch outer diameter with a 5.50-inch sleeve length. These specifications ensure precise bore restoration and optimal ring sealing geometry. The tight dimensional tolerance between ID and OD (0.070 inches) provides robust structural support and superior heat transfer characteristics, critical for maintaining cylinder wall stability under high-RPM or high-load conditions.

Field-proven in fleet maintenance and performance engine applications, this MELLING cylinder sleeve is suitable for technicians rebuilding marine and automotive engines. Its design resists thermal cycling and prevents gas blowby, contributing to extended engine service life. This product is an excellent choice for those looking to enhance engine performance and durability.