Cometic C9968-358 MLS Head Gasket for 1948-65 Panhead 3-5/8" Bore .040" Thick

The Cometic C9968-358 is a premium Multi-Layer Steel (MLS) head gasket engineered specifically for Harley-Davidson Panhead engines from 1948 to 1965. Designed for 3-5/8" (3.625") bore diameter with a .040" compressed thickness, this gasket provides superior sealing performance for both stock and modified applications.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and heat resistance
• Precision-engineered for 3-5/8" bore Panhead top ends
• .040" compressed gasket thickness for accurate compression ratio tuning
• Designed to handle the thermal expansion and cylinder pressures of V-twin engines
• Superior conformability to cylinder head and deck surface imperfections
• Eliminates the need for additional sealants when surfaces are properly prepared

Cometic's MLS gaskets feature multiple layers of stainless steel with elastomeric coatings that provide exceptional recovery and sealing properties. This technology makes them ideal for vintage Panhead builds, restorations, and performance applications where reliable sealing is critical. Proper surface preparation with recommended RA finish is essential for optimal performance.