Cometic C9743-060 MLS Head Gasket Bore Twin Cam - 4.125 060 2-Pack

The Cometic C9743-060 is a premium Multi-Layer Steel (MLS) cylinder head gasket set designed for Harley-Davidson Twin Cam 117 cubic inch engines with a 4.125-inch bore diameter. This high-performance gasket features a .060-inch compressed thickness, making it ideal for custom engine builds requiring additional deck height clearance.

Multi-Layer Steel Construction:

• Three-layer design with two outer Viton-coated embossed spring steel layers
• Inner steel support layer provides superior clamping force and rebound characteristics
• Viton rubber coating resists fuel, oil, and coolant while maintaining flexibility
• Will not creep, crack, or become brittle over time

Technical Specifications:

• Bore Size: 4.125 inches (round)
• Compressed Thickness: .060 inches
• Material: Multi-Layer Stainless Steel (MLS)
• Number of Layers: 3
• Quantity: 2 gaskets per set (one pair)

Cometic MLS head gaskets are engineered to withstand the demanding conditions of high-performance V-Twin engines. The multi-layer construction allows the gasket to adapt to irregular sealing surfaces while maintaining consistent pressure across the entire combustion chamber. Perfect for aluminum heads, aluminum blocks, and cast iron applications on Harley-Davidson Twin Cam motors.