Cometic C4122-140 MLS Cylinder Head Gasket Bore Mazda - 80mm 140 B6D/B6T/B6ZE

The Cometic C4122-140 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Mazda B6D, B6T, and B6ZE 1.6L engines. This high-performance gasket features a .140-inch compressed thickness with an 80mm bore diameter, making it ideal for custom compression ratio tuning and high-output engine builds.

Advanced MLS Construction:

• Five-layer stainless steel construction for maximum strength and durability
• Outer layers embossed and coated with Viton fluoroelastomer rubber on both sides
• Heat resistant up to 482°F (250°C) for extreme temperature environments
• Center shim layer provides precise thickness control and superior rebound characteristics
• Corrosion-resistant stainless steel materials for long-lasting performance

Performance Benefits:

• Requires no additional sealants for installation
• Ideal for both aluminum-to-aluminum and aluminum-to-cast iron block applications
• Withstands high cylinder pressures and shearing forces in turbocharged and high-compression engines
• Round bore shape ensures consistent sealing across all cylinders

Cometic gaskets are proudly manufactured in the USA using American-sourced materials, and are trusted by championship-winning racing teams across multiple motorsports disciplines. Each gasket is precision-engineered to meet the demands of harsh sealing environments and extreme load conditions.