Cometic C5845-066 MLS Cylinder Head Gasket for Mazda FS-DE/FS-DET Bore - 84.5mm

The Cometic C5845-066 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Mazda FS-DE and FS-DET engines. This high-performance gasket features an 84.5mm bore diameter and a compressed thickness of .066 inches, making it ideal for both naturally aspirated and turbocharged applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .066 inch (1.68mm) compressed gasket thickness
• 84.5mm bore diameter for precise fit
• Engineered for Mazda FS-DE (naturally aspirated) and FS-DET (turbocharged) engines
• Handles high cylinder pressures in performance and boosted applications
• Embossed stainless steel layers with elastomeric coating for optimal sealing

Cometic MLS head gaskets are trusted by engine builders worldwide for their ability to withstand extreme temperatures and cylinder pressures. The multiple layers of stainless steel with special coatings provide excellent recovery and conformability to sealing surfaces, ensuring a reliable seal even in demanding performance conditions. This gasket is commonly used in street performance builds, track applications, and turbocharged setups where stock gaskets may fail under increased boost pressure.