Cometic C10121-043 MLS Head Gasket Set 4.500" Bore .043" Thick

The Cometic C10121-043 Multi-Layer Steel (MLS) head gasket set delivers professional-grade sealing performance for high-performance and racing engines. Engineered with Cometic's proven MLS technology, this gasket pair features a 4.500-inch bore diameter and .043-inch compressed thickness, providing exceptional durability under extreme cylinder pressures and temperatures.

Key Features:

• Multi-Layer Steel construction with multiple layers of stainless steel for superior strength and recovery
• 4.500-inch bore diameter accommodates stroker and big-bore engine builds
• .043-inch compressed thickness allows for precise compression ratio tuning
• Pair of gaskets included for V-twin or multi-cylinder applications
• Viton rubber gasket coating provides enhanced sealing and resistance to coolant and oil
• Embossed stainless steel construction ensures consistent clamping pressure
• Designed for high-performance street, drag racing, and marine applications

Cometic MLS head gaskets are the choice of professional engine builders and racers worldwide. The multi-layer design allows the gasket to respond to thermal expansion and contraction while maintaining an effective seal. This gasket set is ideal for boosted applications, nitrous oxide systems, and naturally aspirated high-compression builds where reliability is critical.