Cometic C9791-030 Millennium Head & Base Gasket Kit 3-9/16" Bore .030" .018"

The Cometic C9791-030 Millennium Head and Base Gasket Kit is engineered for high-performance applications requiring precise sealing and durability. This complete gasket kit features a 3-9/16" (3.5625") bore diameter and is designed for engines demanding superior compression sealing under extreme conditions.

Key Features:

• Multi-Layer Steel (MLS) Millennium construction for maximum durability and heat resistance
• Head gasket thickness: .030" (30 thousandths) for precise compression control
• Base gasket thickness: .018" (18 thousandths) for optimal deck height adjustment
• 3-9/16" bore diameter accommodates custom and big-bore engine builds
• Advanced coating technology ensures superior sealing and blowout resistance
• Ideal for V-Twin motorcycle engines, performance rebuilds, and racing applications

Cometic's Millennium gaskets utilize multiple layers of stainless steel with proprietary coatings to create a gasket that conforms to irregular surfaces while maintaining excellent recovery properties. This kit provides both head and base gaskets needed for complete top-end sealing, making it perfect for engine builders who demand reliability and performance in high-compression, high-heat environments.