Cometic C9737 Cylinder Base Gasket for Harley Twin Cam Axtell 4.065" Bore .020" Thick

The Cometic C9737 is a precision-engineered cylinder base gasket designed specifically for Harley-Davidson Twin Cam engines equipped with Axtell aftermarket cylinders featuring a 4.065" standard bore. This high-performance gasket features a .020" (0.51mm) thickness and is constructed from rubber-coated steel material for superior sealing capabilities.

Key Features:

• Rubber coated steel (RCM) construction for optimal sealing on irregular surfaces
• .020" thickness allows for precise deck height adjustment
• Designed specifically for Axtell 4.065" bore cylinders
• Armor-clad reinforced material withstands extreme temperatures and pressures
• Round corner design ensures proper fitment
• Sold as a pair for both cylinders
• Made in the USA

Cometic gaskets utilize reinforced material compounds including armor-clad, graphite, and galvanized steel construction to provide exceptional sealing on irregular surfaces. This gasket is engineered to maintain compression and prevent leaks in high-performance applications, making it ideal for modified Twin Cam engines running Axtell big bore cylinders.