Cometic C4322-075 MLS Cylinder Head Gasket for Nissan Engines Bore - RB30 86mm

The Cometic C4322-075 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Nissan RB30E, RB30ET, and RB30S inline-six engines. This precision-manufactured gasket features an 86mm bore diameter and 0.075-inch compressed thickness, making it ideal for both stock rebuilds and performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme conditions
• 0.075-inch (1.9mm) compressed thickness allows for precise compression ratio tuning
• 86mm bore diameter optimized for RB30 engine specifications
• Engineered to withstand high cylinder pressures in turbocharged and naturally aspirated applications
• Eliminates the need for additional sealants when properly installed
• Stopper layer embossment provides improved sealing around combustion chambers and coolant passages

Cometic MLS gaskets feature multiple layers of stainless steel with elastomer coatings that create a superior seal while accommodating engine movement and thermal expansion. This gasket is compatible with both stock and performance RB30 engine builds, including turbocharged RB30ET applications where reliable sealing under boost is critical. Proper surface preparation and torque specifications are essential for optimal performance.