Cometic C4320-045 MLS Cylinder Head Gasket for Nissan RB26DETT 87mm Bore

The Cometic C4320-045 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for the Nissan RB26DETT engine. This high-performance gasket features an 87mm bore diameter and .045" compressed thickness, making it ideal for modified and high-boost applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .045" (1.14mm) compressed thickness for increased compression ratio
• 87mm bore diameter precision-cut for RB26DETT engines
• Engineered to withstand extreme cylinder pressures in turbocharged applications
• Resistant to combustion gas leakage, coolant seepage, and oil contamination
• Embossed stainless steel layers with proprietary coating system

Cometic MLS gaskets are the preferred choice for professional engine builders and performance enthusiasts working with Nissan's legendary RB26DETT twin-turbo inline-six engine. The multi-layer design provides excellent recovery characteristics and maintains seal integrity under thermal cycling and high combustion pressures common in modified GT-R applications.