Top-End Gasket Kit

Athena Top-End Gasket Kit is designed for riders who want a dependable, performance-focused top-end refresh before a race or during the season. With a premium MLSS (multi-layer steel) head gasket and multiple base gasket options, you can rebuild with confidence and tailor your setup to match your fuel choice and desired compression.

This kit helps you restore sealing integrity after wear, reduce the risk of leaks, and optimize engine performance by giving you flexibility in compression ratio. Whether you are maintaining stock compression for standard pump fuel or setting up higher compression for race fuel, the included gasket thickness options make precise tuning easier during assembly.

Key features:

• ✅ Premium MLSS head gasket for strong, consistent sealing
• ✅ Two or more base gaskets in different thicknesses to optimize compression ratio
• ✅ Built for race and mid-season engine refreshes (pro, semi-pro, and amateur riders)

Benefits of use:

• 🔹 Compression tuning flexibility: choose a setup for standard gas (stock compression) or race gas (higher compression)
• 🔹 Reliable rebuild outcome: quality sealing components support consistent engine performance
• 🔹 Time-saving service kit: key top-end gaskets matched for a proper refresh

Technical notes:

• 📌 Includes MLSS head gasket + multiple base gaskets (thickness options vary by application)
• 📌 Does not include valve stem seals, rubber parts, shims, or other fiber gaskets
• 📌 Brand: Athena
• 📌 Vendor part number: P400485600272

Why choose this product?

• ⭐ Designed specifically for riders who service engines for peak performance
• ⭐ Premium gasket materials intended for dependable sealing and repeatable results
• ⭐ Helps you dial in the build during assembly with multiple base gasket thicknesses