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Start ShoppingATHENA 4-Stroke Big Bore Top End Gasket Kit - High-Quality Composite Gasket Set for 160mm Bore Engines
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Description
Upgrade your 4-stroke engine's performance with Athena's premium top-end gasket kit. Engineered for big bore 160mm bore applications, this complete gasket set ensures optimal sealing, durability, and power delivery for riders demanding peak performance.
Key Features
- High-Quality Composite Materials: Durable, heat-resistant gaskets designed to withstand extreme engine temperatures and pressures.
- Complete Top-End Set: Includes head, base, and exhaust gaskets for seamless installation with Athena big bore kits.
- 160mm Bore Compatibility: Precision-engineered for big bore cylinder applications, ensuring perfect fit and function.
- 4-Stroke Engine Optimization: Enhances sealing efficiency and reduces leaks for reliable performance.
Why Choose This Product
Upgrade to a gasket kit built for power and longevity. Our composite materials resist warping and degradation, while the complete set eliminates the need for multiple purchases. Designed specifically for Athena big bore kits, this kit simplifies maintenance and maximizes engine efficiency. Whether you're modifying a high-performance engine or upgrading a standard model, this gasket set delivers the reliability riders expect from top-tier powersports components.
SKU:
GM7EE3A0A8
MPN:
P400510160002
UPC:
8050444899960
Category:
Gaskets/Seals
Brand:
Athena
Stock:
In Stock
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Upgrade your 4-stroke engine's performance with Athena's premium top-end gasket kit. Engineered for big bore 160mm bore applications, this complete gasket set ensures optimal sealing, durability, and power delivery for riders demanding peak performance.
Key Features
- High-Quality Composite Materials: Durable, heat-resistant gaskets designed to withstand extreme engine temperatures and pressures.
- Complete Top-End Set: Includes head, base, and exhaust gaskets for seamless installation with Athena big bore kits.
- 160mm Bore Compatibility: Precision-engineered for big bore cylinder applications, ensuring perfect fit and function.
- 4-Stroke Engine Optimization: Enhances sealing efficiency and reduces leaks for reliable performance.
Why Choose This Product
Upgrade to a gasket kit built for power and longevity. Our composite materials resist warping and degradation, while the complete set eliminates the need for multiple purchases. Designed specifically for Athena big bore kits, this kit simplifies maintenance and maximizes engine efficiency. Whether you're modifying a high-performance engine or upgrading a standard model, this gasket set delivers the reliability riders expect from top-tier powersports components.| SKU | GM7EE3A0A8 |
|---|---|
| MPN | P400510160002 |
| UPC/GTIN | 8050444899960 |
| Brand | Athena |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| KTM | 450 SX-F | 2019-2025 |
| KTM | 350 SX-F | 2019-2025 |
| Husqvarna | FC 450 | 2019-2025 |
| Husqvarna | FC 350 | 2019-2025 |
Frequently Asked Questions
Yes, it includes head gasket, base gasket, exhaust gasket, and all necessary seals for top-end rebuild.
Specifically for Athena 160mm big bore cylinder kits (P400510160000 series). Not for stock cylinders.
Fits 2019-2025 KTM 450 SX-F / XC-F with Athena 160mm big bore cylinder.
You'll need engine oil, assembly lube, and proper torque specs from your service manual.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- torque wrench
- socket set
- gasket scraper
- engine oil
Pro Tips
- Use assembly lube on cylinder wall
- Torque head bolts in crisscross pattern
- Replace O-rings if worn
Common Mistakes to Avoid
- Not cleaning mating surfaces thoroughly
- Incorrect torque sequence on cylinder head bolts
Comparison vs Stock/OEM
Aftermarket kit for enlarged 160mm bore (vs OEM ~95mm), thicker composite materials
Improvements
- Supports increased displacement for more power
- Higher quality sealing materials
- Better heat resistance
Considerations
- Requires big bore cylinder kit
- Engine rebuild required
Durability & Warranty
Expected Lifespan
Same as OEM - 40-100 hours depending on riding style
Warranty
2 year manufacturer defect warranty
Maintenance
Inspect during regular top-end services (every 40 hours)
What Others Are Saying
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