Cometic C4394-084 BMW MLS Cylinder Head Gasket Bore - M20 85mm 084

The Cometic C4394-084 is a high-performance multi-layer steel (MLS) cylinder head gasket engineered specifically for BMW M20B25 and M20B27 inline-six engines. This precision-manufactured gasket features an 85mm bore diameter and .084" (2.13mm) compressed thickness, providing exceptional sealing capability for both stock and modified applications.

Key Features:

• Multi-layer steel construction for superior strength and durability
• 85mm bore diameter optimized for M20B25 and M20B27 engines
• .084" compressed thickness for precise compression control
• Advanced MLS design accommodates thermal expansion and engine movement
• Eliminates the need for retorquing after installation
• Resistant to combustion gases, coolant, and oil leakage
• Ideal for performance builds, forced induction, and high-compression applications

Cometic MLS gaskets utilize multiple layers of stainless steel with elastomeric coatings to create a robust seal that withstands extreme cylinder pressures and temperatures. This gasket is designed to provide reliable, long-lasting performance in BMW E30, E28, and E34 chassis equipped with M20 series engines, making it an excellent choice for engine rebuilds, restorations, and performance upgrades.