Cometic C9984-066 MLS Head Gasket Set for Harley Shovelhead 1966-1984 .066" Thickness 2-Pack

The Cometic C9984-066 Multi-Layer Steel (MLS) head gasket set is engineered specifically for Harley-Davidson Shovelhead engines from 1966-1984 with standard 3.5" bore. This premium gasket set features a heavy-duty .066" compressed thickness and includes two head gaskets for complete cylinder head sealing.

Advanced MLS-5 Construction:

• Five-layer design with uncoated stainless steel center shim layers for precise thickness control
• Two outer layers embossed and coated on both sides with Viton for superior sealing performance
• Embossed spring steel outer layers meet demanding sealing requirements across various load conditions and surface finishes
• Active combustion seal on multiple layers provides exceptional reliability

Premium Materials and Manufacturing:

• Manufactured from fuel-resistant materials that will not creep, crack, or become brittle
• Made in the USA with Cometic's advanced engineering and manufacturing processes
• Replaces H-D OEM part number 16770-66

Cometic MLS head gaskets promote even torque load distribution across the gasket sealing surface, reducing bore distortion and improving piston ring seal for enhanced engine performance and longevity.