Top-End Gasket Kit

Refresh your 4-stroke top end with confidence. The Athena Top-End Gasket Kit is designed for pro, semi-pro and amateur riders who rebuild or freshen their engine before a race or during the season. By including a premium MLS/MLSS head gasket and multiple base gaskets in different thicknesses, this kit helps you dial in the right compression setup for your riding goals and fuel choice.

Optimize performance and reliability during a top-end service—choose a standard setup for pump fuel or adjust for higher compression when running race gas. It’s a practical solution that saves time searching for individual gaskets and gives you flexibility when setting up your engine.

Key features:

• ✅ Premium MLS/MLSS head gasket for strong sealing performance
• ✅ Includes two or more base gaskets in different thicknesses to optimize compression ratio
• ✅ Ideal for pre-race engine refresh and mid-season maintenance

Benefits of use:

• 🔹 Lets you fine-tune compression for your fuel choice (standard vs. race gas)
• 🔹 Helps ensure reliable sealing after a top-end rebuild
• 🔹 Convenient kit format reduces downtime and simplifies ordering

Technical specifications:

• 📌 Brand: Athena
• 📌 Engine type: 4-Stroke
• 📌 Type: Top End
• 📌 Units: Kit
• 📌 Vendor part number: P400485600213

Why choose this product?

• ⭐ Built for riders who demand dependable sealing and repeatable rebuild results
• ⭐ Multiple base gasket options make setup easier when targeting the right compression
• ⭐ A smart choice for race prep and regular maintenance intervals

Note: Kit does not include valve stem seals, rubber parts, shims, or other fiber gaskets.