Cometic C4349-120 MLS Cylinder Head Gasket BMW Bore - M42B18 M44B19 86mm

The Cometic C4349-120 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for BMW M42B18 and M44B19 engines. This high-performance gasket features an 86mm bore diameter and .120" (3.05mm) compressed thickness, providing exceptional sealing capability for stock and modified applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior strength and durability
• 86mm bore diameter designed for BMW M42B18 and M44B19 4-cylinder engines
• .120" compressed thickness for precise compression ratio control
• Advanced embossment technology ensures even pressure distribution
• Eliminates the need for additional sealants or retorquing
• Resistant to extreme temperatures and combustion pressures
• Compatible with aluminum heads and blocks

Cometic MLS head gaskets feature multiple layers of stainless steel with elastomeric coatings that expand and contract with thermal cycling, maintaining a superior seal throughout the engine's operating range. The gasket's design accommodates minor surface imperfections while providing excellent recovery properties, making it ideal for both street and racing applications. This gasket is commonly used in BMW E30 318i/is, E36 318i/is/ti, and Z3 1.9 models equipped with M42 or M44 engines.