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Start ShoppingATHENA R4856-089 Race Gasket Kit - High-Performance MLS Head Gasket Kit for Racing
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Description
Upgrade your racing engine's reliability with the ATHENA R4856-089 Race Gasket Kit, engineered for extreme performance and long-lasting durability. This comprehensive gasket set delivers precision sealing and heat resistance for high-horsepower racing engines.
Key Features
- Reinforced Composite Materials: Advanced composites provide superior heat resistance and sealing integrity under extreme racing conditions.
- MLS Head Gasket Technology: Multi-Layer Steel construction ensures optimal compression and leak-free performance in high-stress environments.
- Complete Racing Kit: Includes cylinder head, base, exhaust, crankcase, and water pump gaskets for full engine sealing coverage.
- Nickel-Plated Steel Base Gasket: Enhanced corrosion resistance and flatness for precise sealing surfaces.
Why Choose This Product
Engineered specifically for racing applications, this kit offers unmatched durability and sealing performance. The combination of MLS head gaskets, reinforced composites, and nickel-plated steel components ensures maximum compression, heat resistance, and leak prevention. Perfect for high-performance engines requiring precise sealing under extreme temperatures and pressures. Replace OEM gaskets with this racing-grade solution for improved reliability and longevity in competitive environments.
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Upgrade your racing engine's reliability with the ATHENA R4856-089 Race Gasket Kit, engineered for extreme performance and long-lasting durability. This comprehensive gasket set delivers precision sealing and heat resistance for high-horsepower racing engines.
Key Features
- Reinforced Composite Materials: Advanced composites provide superior heat resistance and sealing integrity under extreme racing conditions.
- MLS Head Gasket Technology: Multi-Layer Steel construction ensures optimal compression and leak-free performance in high-stress environments.
- Complete Racing Kit: Includes cylinder head, base, exhaust, crankcase, and water pump gaskets for full engine sealing coverage.
- Nickel-Plated Steel Base Gasket: Enhanced corrosion resistance and flatness for precise sealing surfaces.
Why Choose This Product
Engineered specifically for racing applications, this kit offers unmatched durability and sealing performance. The combination of MLS head gaskets, reinforced composites, and nickel-plated steel components ensures maximum compression, heat resistance, and leak prevention. Perfect for high-performance engines requiring precise sealing under extreme temperatures and pressures. Replace OEM gaskets with this racing-grade solution for improved reliability and longevity in competitive environments.| SKU | GM4D4BD72C |
|---|---|
| MPN | R4856-089 |
| Brand | Athena |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| KTM | 450 SX-F | 2019-2024 |
| KTM | 350 SX-F | 2019-2024 |
| Husqvarna | FC 450 | 2019-2024 |
| Husqvarna | FC 350 | 2019-2024 |
Frequently Asked Questions
Yes, includes head gasket, base gasket, exhaust, crankcase, and water pump gaskets. Does not include cylinder or piston.
Designed for stock bore sizes. Check with cylinder manufacturer for compatibility with oversized pistons.
Race kits use thicker, reinforced materials for higher compression and extreme conditions. Better sealing under racing stress.
Yes, compatible with shared engine platforms (2019+ 350/450 SX-F/FC models).
Installation Guide
Difficulty
Medium
Est. Time
2 hr 0 min
Tools Required
- torque wrench
- socket set
- gasket scraper
- engine stand recommended
Pro Tips
- Use assembly lube on bearings/crank during full rebuild
- Torque head bolts in criss-cross pattern
- Apply thin layer of RTV sealant to water pump gasket if specified
Common Mistakes to Avoid
- Not cleaning mating surfaces thoroughly
- Incorrect torque sequence on head bolts
- Reusing old O-rings
Comparison vs Stock/OEM
Athena Race gaskets are thicker and use multi-layer steel construction vs. OEM single-layer composites
Improvements
- Better sealing under high cylinder pressures
- Resists blowouts in racing conditions
- Improved heat resistance
Considerations
- Requires precise torque specs
- Not for trail/low-performance use
Durability & Warranty
Expected Lifespan
Full engine rebuild cycle (40-100 hours racing)
Warranty
1 year limited manufacturer warranty against defects
Maintenance
Inspect during regular top-end services. Replace with every cylinder rebuild
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