Cometic C9985-045 MLS Head Gasket 3 5/8 Inch Bore .045 Inch Thick

The Cometic C9985-045 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered for demanding powersports applications. Featuring a 3 5/8 inch (3.625 inch) bore diameter and .045 inch thickness, this gasket is designed primarily for Harley-Davidson Panhead and Shovelhead engines.

Advanced MLS Construction:

• Multi-layer stainless steel design promotes even torque load distribution across the sealing surface
• Load Control Embossments (LCE) reduce bore distortion for improved piston ring seal and increased power
• Center shim layer is uncoated stainless steel for durability and heat resistance
• Outer layers are embossed and coated on both sides with Viton for superior sealing in harsh environments

Premium Features:

• Manufactured from fuel-resistant materials that will not creep, crack, or become brittle
• Withstands extreme temperatures and high combustion pressures
• Compatible with aluminum heads, aluminum blocks, and cast iron blocks
• Engineered for various surface finishes and load conditions
• Made in the USA to exacting quality standards

This gasket is sold as a pair and provides the reliability needed for high-performance engine builds and rebuilds. The MLS construction offers excellent rebound characteristics and corrosion resistance for long-term durability.