Cometic C9059F Knucklehead Valve Cover Gasket - Front Exhaust .031" Fiber

The Cometic C9059F is a precision-engineered valve cover gasket designed specifically for Harley-Davidson Knucklehead Big Twin engines produced from 1936 to 1947. This high-quality fiber gasket provides reliable sealing for the front exhaust valve cover assembly.

Key Features:

• Premium .031" (0.031 inch) compressed fiber construction
• Application-specific design for Knucklehead front exhaust valve cover
• High-temperature and fuel-resistant material composition
• Replaces OEM Harley-Davidson part number 17539-38
• Manufactured in the USA with quality American materials
• No retorquing or additional sealant required

Cometic gaskets are engineered to withstand the demanding conditions of vintage motorcycle engines, providing superior sealing performance and durability. The compressed fiber material creates a reliable seal that resists leaks even under high temperatures and cylinder pressures. This gasket is an essential component for proper engine sealing during restoration or routine maintenance of classic Knucklehead engines.