Cometic C9688-HB-030-020 MLS Head Gasket HD EVO Stock Bore .030" Thickness

The Cometic C9688-HB-030-020 is a premium Multi-Layer Steel (MLS) head gasket designed specifically for Harley-Davidson Evolution engines with stock bore dimensions. This high-performance gasket features Cometic's proven MLS construction with a .030" compressed thickness for the head gasket and .020" base gasket thickness, providing superior sealing and durability under extreme conditions.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum strength and heat resistance
• .030" compressed head gasket thickness
• .020" base gasket thickness included
• Designed for Harley-Davidson Evolution engine stock bore applications
• Superior gasket recovery and torque retention compared to traditional composite gaskets
• Eliminates the need for retorquing after initial installation
• Compatible with aluminum, steel, and cast iron cylinder heads

Cometic MLS gaskets utilize multiple layers of stainless steel with advanced coating technology to create a superior seal that withstands extreme temperatures and pressures. The embossed design ensures proper sealing around combustion chambers, oil passages, and coolant ports while accommodating surface imperfections. This gasket set is ideal for street, performance, and racing applications where reliability is critical.