Cometic H1340SP1030S MLS Head Gasket Harley-Davidson - 030 1340cc

The Cometic H1340SP1030S is a multi-layer steel (MLS) cylinder head gasket engineered for 1340cc Harley-Davidson engines. Designed with performance enthusiasts in mind, this gasket delivers superior sealing and durability in demanding high-performance applications.

Multi-Layer Steel Construction:

• Three-layer stainless steel design for maximum strength and corrosion resistance
• Outer layers embossed and coated with Viton fluoroelastomer for exceptional sealing
• Viton coating withstands temperatures up to 482°F (250°C)
• Center shim layer allows precise thickness control at .030 inches
• Excellent rebound characteristics maintain consistent sealing under thermal cycling

Performance Benefits:

• Eliminates the need for re-torquing after installation
• Promotes even torque distribution across sealing surface
• Reduces bore distortion for improved engine performance
• Withstands shearing forces between dissimilar metals
• Ideal for aluminum heads on cast iron blocks or aluminum-to-aluminum applications
• Superior resistance to coolants, oils, and harsh sealing environments

Cometic's MLS gaskets are manufactured to exacting tolerances, ensuring reliable performance in street, racing, and high-boost applications. The stainless steel construction provides long-term durability while the Viton coating ensures positive sealing even on less-than-perfect surfaces.