Cometic C9689-036 HD Evolution Stock Bore 3.5" Head Gasket Set .036" MLS

The Cometic C9689-036 Multi-Layer Steel (MLS) head gasket set is designed specifically for Harley-Davidson Evolution engines with stock 3.500" bore dimensions. This premium gasket set features Cometic's advanced MLS construction with a compressed thickness of .036", providing superior sealing performance and durability for high-performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum strength and heat resistance
• Stock bore size of 3.500" for HD Evolution engines
• Compressed gasket thickness of .036" (36 thousandths)
• Includes 2 head gaskets per package
• Stainless steel construction resists corrosion and withstands extreme temperatures
• Advanced embossment technology ensures optimal sealing at combustion chamber
• Ideal for high-compression and performance engine builds

Cometic MLS head gaskets feature multiple layers of stainless steel with a viton rubber coating that provides exceptional recovery and sealing properties. The gaskets are engineered to handle the thermal expansion and contraction cycles common in air-cooled V-twin engines, making them the preferred choice for both street and racing applications.