Cometic C4308-030 MLS Cylinder Head Gasket Bore BMW Tritec - 78.5mm

The Cometic C4308-030 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for BMW T16B3 and T16B4 Tritec engines. This precision gasket features a 78.5mm bore diameter and .030" (0.76mm) compressed thickness, providing exceptional sealing capability for stock and modified applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 78.5mm bore diameter designed for BMW Tritec engine specifications
• .030" compressed thickness for optimal compression and sealing
• Embossed stainless steel layers with FKM (Viton) rubber coated exterior
• Withstands extreme cylinder pressures and temperatures
• Accommodates thermal expansion and engine movement
• Ideal for both OEM replacement and performance builds

Cometic MLS head gaskets are manufactured using multiple layers of stainless steel with a polymer coating, creating a gasket that recovers quickly from compression and maintains consistent clamping pressure. The advanced design allows the gasket to adapt to minor surface imperfections while preventing combustion leaks, making it the preferred choice for demanding applications including turbocharged and high-compression engines.