Cometic C10257-030 MLS Head Gasket Bore Thick - 4.320 030

The Cometic C10257-030 is a Multi-Layer Steel (MLS) head gasket engineered for high-performance applications requiring precise sealing and durability. This gasket features a 4.320-inch bore diameter with a compressed thickness of .030 inches, designed to accommodate stroker and big-bore engine builds.

Key Features:

• Multi-Layer Steel construction for superior strength and heat resistance
• 4.320-inch bore diameter for large displacement engines (approximately 128 cubic inches per cylinder)
• .030-inch compressed thickness allows for custom compression ratio tuning
• Premium gasket material resists blowout and maintains seal integrity under extreme conditions
• Precision-engineered for consistent clamping pressure and reliable sealing

Cometic MLS head gaskets are a trusted choice among engine builders and performance enthusiasts who demand maximum reliability in high-horsepower applications. The multi-layer design provides exceptional conformability to deck surfaces while maintaining the strength needed for boosted and high-compression engines.