Cometic H3291SP7066S MLS Head Gasket Bore Thick - 3.291in 066in

The Cometic H3291SP7066S is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered for sport compact applications. Featuring a 3.291-inch bore diameter and a compressed thickness of .066 inches, this gasket delivers a precise, reliable seal for high-output engines where combustion integrity is critical.

Key Features:

• Multi-Layer Steel (MLS) construction — multiple embossed layers of proprietary high-temperature coated and uncoated stainless steel for superior sealing performance
• 3.291" bore diameter — precision-cut for accurate fitment and consistent combustion sealing
• .066" compressed thickness — engineered to maintain proper compression ratio in performance builds
• Requires less clamp load than conventional gaskets, reducing bore distortion during installation
• Conforms to surface irregularities — embossed outer layers adapt to varying surface finishes and load conditions
• High-temperature resistant — withstands the extreme heat and pressure demands of performance and racing engines
• Designed for street, road race, and sport compact performance applications

Cometic is a globally recognized leader in precision engine sealing solutions, manufacturing gaskets for automotive, powersports, V-twin, marine, and motorsport applications. The H3291SP7066S MLS head gasket is ideal for engine builders seeking a proven, race-validated sealing solution that meets the demands of modified or high-compression street and track engines.