Cometic C4984-040 MLS Cylinder Head Gasket Bore Mazda BP Engine - 85mm 040

The Cometic C4984-040 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Mazda BP-4W Turbo and BP-Z3 engines. This high-performance gasket features an 85mm bore diameter and .040" (1.02mm) compressed thickness, making it ideal for turbocharged and high-performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme cylinder pressures
• 85mm bore diameter specifically engineered for Mazda BP-series engines
• .040" compressed thickness allows for precise compression ratio tuning
• Designed for BP-4W Turbo and BP-Z3 engine applications
• Embossed stainless steel layers with elastomeric coating for maximum combustion sealing
• Handles high heat and pressure conditions in turbocharged applications
• Resists gasket failure from blown head gaskets common in modified engines

Cometic MLS gaskets are the industry standard for performance engine builders, offering exceptional reliability in demanding street and racing environments. The multi-layer design allows for minor surface imperfections while maintaining a perfect seal, and the advanced materials resist corrosion from modern ethanol-blend fuels and coolant chemicals.