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Start ShoppingCOMETIC C7779 High Performance MLS Top End Gasket Kit for Powersports Engines
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Description
Upgrade your powersports engine's reliability and performance with the COMETIC C7779 High Performance Top End Gasket Kit. Engineered for durability and precision, this premium kit ensures optimal sealing and longevity for high-output engines.
Key Features
- Multi-Layer Steel (MLS) Head Gasket: Constructed from heat-resistant MLS material for superior sealing under extreme temperatures and pressures.
- One-Piece Fuel Injected Full Lift Base Gasket: Designed for seamless integration with modern fuel injection systems and full lift engine designs.
- 0.027in Head Gasket Thickness: Standard thickness ensures compatibility with OEM specifications while maintaining structural integrity.
- 0.010in Base Gasket Thickness: Precision-engineered for optimal compression and sealing in high-performance engines.
- Complete Top-End Kit: Includes premium valve cover and crankcase gaskets for comprehensive engine sealing solutions.
Why Choose This Product
Whether you're modifying a high-horsepower powersports engine or maintaining a stock unit, this kit delivers unmatched durability and performance. The MLS construction resists warping and blow-by, while the precise thickness specifications ensure proper engine compression and sealing. With all essential components included, this kit simplifies installation and reduces downtime for riders demanding peak engine performance.
SKU:
GMDD6479BF
MPN:
C7779
UPC:
191070016302
Category:
Gaskets/Seals
Brand:
Cometic
Stock:
Only 4 left!
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Upgrade your powersports engine's reliability and performance with the COMETIC C7779 High Performance Top End Gasket Kit. Engineered for durability and precision, this premium kit ensures optimal sealing and longevity for high-output engines.
Key Features
- Multi-Layer Steel (MLS) Head Gasket: Constructed from heat-resistant MLS material for superior sealing under extreme temperatures and pressures.
- One-Piece Fuel Injected Full Lift Base Gasket: Designed for seamless integration with modern fuel injection systems and full lift engine designs.
- 0.027in Head Gasket Thickness: Standard thickness ensures compatibility with OEM specifications while maintaining structural integrity.
- 0.010in Base Gasket Thickness: Precision-engineered for optimal compression and sealing in high-performance engines.
- Complete Top-End Kit: Includes premium valve cover and crankcase gaskets for comprehensive engine sealing solutions.
Why Choose This Product
Whether you're modifying a high-horsepower powersports engine or maintaining a stock unit, this kit delivers unmatched durability and performance. The MLS construction resists warping and blow-by, while the precise thickness specifications ensure proper engine compression and sealing. With all essential components included, this kit simplifies installation and reduces downtime for riders demanding peak engine performance.| SKU | GMDD6479BF |
|---|---|
| MPN | C7779 |
| UPC/GTIN | 191070016302 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | CRF450R | 2019-2025 |
| Honda | CRF450RX | 2019-2025 |
| Honda | CRF450RL | 2021-2025 |
Frequently Asked Questions
Yes, the C7779 kit fits all 2019-2025 CRF450R, CRF450RX, and CRF450RL models.
This kit uses a 0.027" MLS head gasket which is standard thickness for these engines.
Yes, this is a complete top-end kit that includes both head and base gaskets which should always be replaced together.
Yes, the MLS head gasket is suitable for stock and mildly increased compression ratios.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- torque wrench
- socket set
- gasket scraper
- engine assembly lube
- torque angle gauge
Pro Tips
- Clean all mating surfaces with brake cleaner and plastic scraper
- Follow Honda torque specs exactly
- Apply thin layer of assembly lube to cylinder studs
- Check head gasket orientation markings
Common Mistakes to Avoid
- Not cleaning mating surfaces thoroughly
- Incorrect torque sequence
- Over-torquing head bolts
Comparison vs Stock/OEM
Multi-layer steel head gasket vs single-layer OEM composite
Improvements
- Superior sealing under high heat/pressure
- Better for high-performance applications
- More resistant to head lift
- One-piece base gasket eliminates multi-piece issues
Considerations
- Higher cost than OEM
- Requires proper torque procedure
Durability & Warranty
Expected Lifespan
Matches or exceeds OEM - 40+ hours racing typical
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during every top-end service (20-40 hours)
What Others Are Saying
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