Cometic C4505-040 BMW MLS Cylinder Head Gasket Bore - S54B32 87.5mm

The Cometic C4505-040 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for the BMW S54B32 inline-six engine. This gasket features an 87.5mm bore diameter and a compressed thickness of .040 inches (1.0mm), making it ideal for stock and mild performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 87.5mm bore diameter engineered for the S54B32 engine
• .040" (1.0mm) compressed thickness for stock compression ratios
• Embossed stainless steel layers with advanced coating technology
• Exceptional resistance to extreme cylinder pressures and temperatures
• Designed to accommodate minor surface imperfections and thermal expansion

Cometic MLS gaskets are manufactured using multiple layers of stainless steel with a Viton rubber coating, providing maximum sealing performance while maintaining the ability to recover from compression. This design ensures reliable sealing even under high-performance conditions, making it an excellent choice for BMW S54 engine rebuilds and performance builds.