ATHENA Top End Gasket Kit - High-Quality Composite & Nitrile Seals for Reliable Performance

Description

Ensure optimal engine performance with the ATHENA P400485160183 Top End Gasket Kit, engineered for durability and leak prevention in high-performance powersports engines. This comprehensive kit delivers precision sealing for critical engine components, keeping your ride running smoothly under demanding conditions.

Key Features

  • High-Quality Composite Materials: Combines durable composite paper, nitrile rubber, and Mylar for superior heat resistance and long-lasting sealing integrity.
  • Complete Top-End Coverage: Includes head gasket, base gasket, exhaust gasket, cylinder head cover gasket, and other essential seals for full engine protection.
  • Seamless Fit & Compatibility: Precision-engineered for standard powersports engines to ensure perfect alignment and easy installation.

Why Choose This Product

Upgrade your engine's reliability with a gasket kit designed to withstand extreme temperatures and pressure fluctuations. The ATHENA kit's advanced materials prevent oil leaks and coolant seepage, reducing maintenance costs and downtime. Its all-inclusive design saves time by eliminating the need for multiple part purchases, while the durable construction ensures years of trouble-free performance. Perfect for riders who demand peak engine efficiency and longevity from their powersports equipment.
SKU: GMD5AFF4BE
MPN: P400485160183
UPC: 8050444899359
Category: Gaskets/Seals
Brand: Athena
Stock: In Stock
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Ensure optimal engine performance with the ATHENA P400485160183 Top End Gasket Kit, engineered for durability and leak prevention in high-performance powersports engines. This comprehensive kit delivers precision sealing for critical engine components, keeping your ride running smoothly under demanding conditions.

Key Features

  • High-Quality Composite Materials: Combines durable composite paper, nitrile rubber, and Mylar for superior heat resistance and long-lasting sealing integrity.
  • Complete Top-End Coverage: Includes head gasket, base gasket, exhaust gasket, cylinder head cover gasket, and other essential seals for full engine protection.
  • Seamless Fit & Compatibility: Precision-engineered for standard powersports engines to ensure perfect alignment and easy installation.

Why Choose This Product

Upgrade your engine's reliability with a gasket kit designed to withstand extreme temperatures and pressure fluctuations. The ATHENA kit's advanced materials prevent oil leaks and coolant seepage, reducing maintenance costs and downtime. Its all-inclusive design saves time by eliminating the need for multiple part purchases, while the durable construction ensures years of trouble-free performance. Perfect for riders who demand peak engine efficiency and longevity from their powersports equipment.
SKU GMD5AFF4BE
MPN P400485160183
UPC/GTIN 8050444899359
Brand Athena
Category Gaskets/Seals
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Reviews

Make Model Years
KTM 450 SX-F 2019-2023
KTM 350 SX-F 2019-2023
Husqvarna FC 450 2019-2023
Husqvarna FC 350 2019-2023

Frequently Asked Questions

Yes, it includes the head gasket, base gasket, and all necessary top-end seals.

Yes, designed as a direct replacement with comparable thickness and materials.

Fits 2019-2023 KTM 450 SX-F models, including Factory Edition.

Only if rebuilding with oversized pistons; otherwise, clean thoroughly.

Installation Guide

Difficulty Medium
Est. Time 1 hr 0 min

Tools Required

  • torque wrench
  • socket set
  • gasket scraper
  • piston ring compressor

Pro Tips

  • Use assembly lube on cylinder and piston
  • Torque head bolts in crisscross pattern to spec
  • Replace O-rings if included

Common Mistakes to Avoid

  • Not cleaning mating surfaces thoroughly
  • Incorrect torque sequence on head bolts

Comparison vs Stock/OEM

Aftermarket kit with similar materials but often more durable composites

Improvements

  • Better heat resistance
  • Precise fit for performance engines
  • Cost-effective replacement

Considerations

  • Verify thickness matches OEM specs for compression

Durability & Warranty

Expected Lifespan Matches OEM; 40-60 hours of riding depending on conditions
Warranty 1 year manufacturer defect warranty
Maintenance Inspect during regular top-end services (every 40 hours)

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