Cometic C4278-140 Toyota MLS Cylinder Head Gasket Bore - 7M-GE/7M-GTE 84mm

The Cometic C4278-140 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Toyota 7M-GE and 7M-GTE inline-six engines. This precision gasket features an 84mm bore diameter and .140-inch compressed thickness, making it ideal for performance builds and turbocharged applications that demand superior sealing under extreme cylinder pressures.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and conformability
• .140-inch (3.56mm) compressed thickness for custom compression ratio tuning
• 84mm bore diameter optimized for 7M engine specifications
• Superior sealing performance under high boost and elevated combustion temperatures
• Eliminates leak paths and maintains consistent clamping pressure
• Compatible with both naturally aspirated 7M-GE and turbocharged 7M-GTE engines
• Ideal for performance rebuilds, forced induction upgrades, and competition applications

Cometic's MLS gaskets feature multiple layers of stainless steel with proprietary coatings that allow the gasket to adapt to sealing surface imperfections while maintaining torque retention. This design provides the reliability needed for high-horsepower Toyota inline-six builds, whether street-driven or track-focused.