Description
Engine gasket failure doesn’t just cost you performance—it costs you reliability. The ATHENA Complete Gasket Kit delivers OEM-quality sealing across your entire top-end and engine rebuild, using proven materials engineered to withstand extreme temperatures and high RPM stress. When you’re rebuilding, you need gaskets that won’t let you down; this kit gives you that confidence.
What’s Included:
- Head gaskets with rubber-coated spring steel construction
- Soft steel base gaskets, rubber-coated
- Steel core materials for superior springback
- High-temperature blue silicone beading on critical flat gaskets
- Transparent coating for consistent sealing
- Complete valve stem seals
- All necessary rubber components for top-end rebuild
- Full engine gasket set coverage
Technical Specifications:
- Material: Spring steel, soft steel
- Construction: Rubber-coated
- Tensile strength: Superior rating
- High-temperature rating: Extreme performance
- Fitment: Yamaha P400485850089
- Scope: Top-end and complete engine
- Oil seals: Not included
- Installation: Bolt-on replacement





