Cometic C5781-040 MLS Cylinder Head Gasket for Porsche Engine - 928 M28

The Cometic C5781-040 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Porsche 928 models equipped with M28 series engines. This high-performance gasket features a .040" (1.0mm) compressed thickness and is engineered for a 100mm bore diameter, ensuring optimal sealing performance for left-hand side cylinder bank applications.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme temperatures and pressures
• Compatible with Porsche M28.41, M28.42, M28.43, M28.44, M28.45, M28.46, M28.47, M28.49, and M28.50 engine variants
• .040 inch compressed gasket thickness for precise compression ratio control
• 100mm bore diameter designed for left-hand side (LHS) cylinder head installation
• Eliminates the need for additional sealants due to advanced MLS technology
• Manufactured to OE specifications with enhanced material properties for improved reliability

Cometic Gaskets are renowned in the performance and racing industries for their ability to withstand the demanding conditions of high-performance engines. The MLS construction features multiple layers of stainless steel with specialized coatings that allow micro-movement between layers while maintaining a perfect seal. This design accommodates thermal expansion and engine movement better than traditional composite gaskets, making it ideal for both stock rebuilds and performance applications on the Porsche 928 platform.