Athena A274343FSA Full Engine Gasket Set

The Athena A274343FSA is a complete full engine gasket set engineered to deliver OEM-quality sealing performance for powersports engine rebuilds and overhauls. Athena is a globally trusted manufacturer with over 50 years of experience supplying gaskets to some of the world's leading motorcycle and powersports OEM manufacturers.

This full gasket set includes all necessary gaskets and O-rings required to rebuild both the top and bottom ends of the engine. Every component is manufactured in state-of-the-art, computer-controlled facilities using the highest quality composite and metallic materials to meet or exceed original factory specifications.

Key Features:

• Complete full engine gasket set for top-end and bottom-end engine rebuilds
• Head gaskets feature rubber-coated spring steel construction for superior sealing
• Soft steel base gaskets are rubber coated for reliable compression
• Steel core materials offer high spring-back and superior tensile strength
• Revolutionary transparent coating ensures a perfect seal at extremely high temperatures
• High-temperature blue silicone beading applied to the most critical flat gaskets
• Each gasket developed using 2D/3D modeling, FEM simulations, and validated on static and dynamic test benches
• Multi-layer embossing ensures uniform compression and optimal sealing
• Dimensional accuracy verified using profilometers and Virtek® inspection systems
• Designed for OEM replacement setups
• Includes all gaskets, rubber parts, and O-rings — oil seals are not included

Athena's full gasket sets are the choice of professional mechanics and enthusiasts alike, backed by the same R&D expertise used to supply top-tier racing programs including MXGP, AMA Supercross, and EnduroGP. Kit contents may vary by fitment application.