Cometic Top End Gasket Kit with Fiber Base Gasket for GasGas, Husqvarna and KTM (C3811FB)

The Cometic C3811FB Top End Gasket Kit is engineered for rebuilding the top end of select GasGas, Husqvarna and KTM engines. This comprehensive kit includes the correct fiber base gasket, head gasket, cylinder O-rings and other application-specific O-rings or seals required for top-end removal and reassembly. Each component is selected to provide reliable fitment and dependable sealing performance for service and rebuild applications.
The head gasket material is designed to draw heat away from the combustion ring and distribute it evenly across the gasket surface. This helps reduce localized hot spots and supports consistent sealing performance under demanding engine conditions. Materials may vary by component according to the requirements engineered for the specified application, ensuring the kit is properly suited to the intended engine platform.
The Cometic C3811FB kit contains the necessary gaskets, seals and O-rings to rebuild the top end from the cylinder base upward. Using a complete, application-specific gasket set helps simplify installation and reduces the need to source individual sealing components separately. Manufactured in the USA, this Cometic top-end gasket kit is a practical choice for maintenance, repair and performance-focused engine assembly.

Features:

• Complete top-end gasket kit for rebuilding from the cylinder base upward

• Includes fiber base gasket, head gasket, cylinder O-rings and application-specific seals

• Engineered for select GasGas, Husqvarna and KTM applications

• Head gasket material helps distribute heat evenly and reduce hot spots

• Materials vary by component to match the specified application

• Made in the USA

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