Athena Top End Gasket Kit for GasGas, Husqvarna and KTM (P400270600090)

The Athena P400270600090 Top End Gasket Kit is designed for professional, semi-professional, and amateur riders who refresh their engine before a race or during the riding season. This application-specific kit provides the essential top-end sealing components needed for dependable engine service on compatible GasGas, Husqvarna, and KTM motorcycles. Athena is known for producing precision-engineered engine components that support reliable performance and consistent fitment.
The kit includes a premium MLSS head gasket along with two or more high-quality base gaskets in different thicknesses. This selection allows riders and technicians to adjust engine compression according to their preferred fuel and performance setup. Use the appropriate gasket combination to maintain stock compression for standard gasoline or increase compression for applications using race fuel, helping tailor the engine configuration to specific riding and racing requirements.
Athena manufactures the P400270600090 kit for convenient top-end maintenance and compression optimization. The included gasket options support careful engine assembly and provide flexibility during rebuilds, tuning, and midseason service. Always verify motorcycle compatibility and follow the engine manufacturer’s service procedures, torque specifications, and installation guidelines before assembly.
This kit does not include valve stem seals, rubber components, shims, or other fiber gaskets. These items must be sourced separately when required for the engine service. Choose the Athena P400270600090 Top End Gasket Kit when you need a purpose-built gasket solution for compatible GasGas, Husqvarna, and KTM applications.

Features:

• Application: Designed for professional, semi-professional, and amateur riders performing top-end engine service

• Gasket Type: Includes a premium MLSS head gasket for reliable cylinder-head sealing

• Base Gaskets: Includes two or more base gaskets with different thicknesses

• Compression Tuning: Allows adjustment for stock compression with standard gasoline or higher compression with race fuel

• Application Coverage: Designed for compatible GasGas, Husqvarna, and KTM motorcycles

• Service Use: Suitable for pre-race engine refreshes, rebuilds, and midseason maintenance

• Exclusions: Does not include valve stem seals, rubber components, shims, or other fiber gaskets

Ships from Parts Unlimited.