Cometic H2569SPCY051S GM LSX Gen IV Bore MLS Head Gasket - 4.185 051

The Cometic H2569SPCY051S is a high-performance Multi-Layer Steel (MLS) head gasket engineered specifically for GM LSX Gen IV engines with a 4.185-inch bore diameter. This .051-inch thick gasket is designed for the right cylinder bank and delivers exceptional sealing performance in high-boost and high-compression applications.

Key Features:

• Multi-Layer Steel construction with multiple embossed layers for superior sealing
• 4.185-inch bore diameter optimized for LSX Gen IV engines
• .051-inch (1.3mm) compressed thickness for precise compression ratio tuning
• Proprietary coating provides enhanced surface conformability and micro-sealing
• Designed to withstand extreme cylinder pressures in forced induction and high-performance naturally aspirated builds
• Right bank configuration for proper installation orientation

Cometic MLS head gaskets are the preferred choice for engine builders and performance enthusiasts who demand maximum reliability under extreme conditions. The multi-layer design allows for controlled movement between layers while maintaining an excellent seal, making this gasket ideal for turbocharged, supercharged, and nitrous applications where cylinder pressure spikes can compromise inferior gaskets.