Cometic C9114-030-HB 4.060" Bore Head Gasket .030" MLS with Base O-Ring for HD 113CI

The Cometic C9114-030-HB is a high-performance Multi-Layer Steel (MLS) head gasket designed specifically for Harley-Davidson 113 cubic inch engines. This precision-engineered gasket features a 4.060-inch bore diameter and a compressed thickness of .030 inches, making it ideal for high-compression and stroker motor applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 4.060" bore diameter optimized for 113CI displacement
• .030" compressed thickness for precise compression ratio tuning
• Base O-ring design provides enhanced sealing at the deck surface
• Accommodates thermal expansion and contraction better than traditional gaskets
• Resistant to blowout and gas leakage under extreme cylinder pressures
• Compatible with aluminum and iron cylinder heads

Cometic MLS gaskets are constructed from multiple layers of stainless steel with a Viton rubber coating, providing exceptional resistance to combustion gases and fluids. The base O-ring feature on this gasket adds an extra layer of sealing security at the cylinder deck, making it an excellent choice for high-performance street and racing applications. This gasket is designed to be used with properly prepared surfaces for optimal sealing performance.