Cometic C10273 MLS Head Gasket 4.185" Bore .040" Thick for Harley-Davidson FXST

The Cometic C10273 is a high-performance Multi-Layer Steel (MLS) head gasket engineered specifically for Harley-Davidson FXST models with primary drive systems. This precision gasket features a 4.185-inch bore diameter and .040-inch (40 thousandths) compressed thickness, providing superior sealing performance for V-Twin engines.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and heat resistance
• 4.185-inch bore diameter designed for Big Twin applications
• .040-inch compressed gasket thickness
• Engineered specifically for FXST Softail models with primary drive
• Superior sealing technology prevents compression loss and oil leaks
• Withstands extreme cylinder pressures and temperatures
• Precision-manufactured to OEM specifications and tolerances

Cometic's MLS gaskets utilize multiple layers of stainless steel with advanced coating technology to create a gasket that conforms to irregular sealing surfaces while maintaining excellent recovery properties. This design ensures consistent clamping loads and reliable sealing even under high-performance conditions, making it an ideal choice for both stock and modified Harley-Davidson engines.