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Start ShoppingCOMETIC C7978 High Performance Top End Gasket Kit - MLS Head Gasket & OEM Replacement Intake Gasket for 99mm Bore
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Description
Upgrade your engine's sealing integrity with the COMETIC C7978 High Performance Top End Gasket Kit. Engineered for 99mm bore engines, this complete gasket solution combines durable multi-layer steel (MLS) technology with OEM-grade components to ensure peak performance and long-term reliability.
Key Features
- Multi-Layer Steel (MLS) Head Gasket: Provides exceptional durability and heat resistance for high-performance engines.
- OEM Replacement Intake Gasket: Full-length design ensures perfect fit and seal for fuel-injected systems.
- Reed Cage Replacement Intake Gasket: Precision-engineered for optimal airflow and engine efficiency.
- Half-Thickness Base Gasket: Reduces weight while maintaining structural integrity and sealing capability.
Why Choose This Product
Engineers and riders rely on COMETIC gaskets for their unmatched durability and precision fit. This kit eliminates the need for multiple parts, simplifying installation while delivering superior sealing performance. The MLS head gasket withstands extreme temperatures and pressures, while the OEM-grade components ensure compatibility with original equipment specifications. Perfect for high-output engines requiring reliable sealing without compromising performance.
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Upgrade your engine's sealing integrity with the COMETIC C7978 High Performance Top End Gasket Kit. Engineered for 99mm bore engines, this complete gasket solution combines durable multi-layer steel (MLS) technology with OEM-grade components to ensure peak performance and long-term reliability.
Key Features
- Multi-Layer Steel (MLS) Head Gasket: Provides exceptional durability and heat resistance for high-performance engines.
- OEM Replacement Intake Gasket: Full-length design ensures perfect fit and seal for fuel-injected systems.
- Reed Cage Replacement Intake Gasket: Precision-engineered for optimal airflow and engine efficiency.
- Half-Thickness Base Gasket: Reduces weight while maintaining structural integrity and sealing capability.
Why Choose This Product
Engineers and riders rely on COMETIC gaskets for their unmatched durability and precision fit. This kit eliminates the need for multiple parts, simplifying installation while delivering superior sealing performance. The MLS head gasket withstands extreme temperatures and pressures, while the OEM-grade components ensure compatibility with original equipment specifications. Perfect for high-output engines requiring reliable sealing without compromising performance.
| SKU | GM135403CB |
|---|---|
| MPN | C7978 |
| UPC/GTIN | 191070025922 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Kawasaki | KX450 | 2019-2025 |
Frequently Asked Questions
Fits Kawasaki KX450 2019-2025 with 99mm bore.
Designed for 99mm bore, ideal for stock or performance top-end builds.
Yes, MLS head gasket with 0.027in thickness is included.
Yes, MLS construction handles high-performance applications well.
Installation Guide
Difficulty
Medium
Est. Time
2 hr 0 min
Tools Required
- torque wrench
- socket set
- gasket scraper
- engine stand recommended
Pro Tips
- Use Cometic sealant on gaskets if specified, torque in criss-cross pattern, verify compression before final assembly
Common Mistakes to Avoid
- Not cleaning mating surfaces thoroughly
- Incorrect torque sequence on head bolts
Comparison vs Stock/OEM
MLS multi-layer steel vs. single-layer composite OEM; superior sealing under high heat/pressure
Improvements
- Better heat resistance
- Improved durability in race conditions
- No compression loss
Considerations
- Requires precise torque specs; not reusable
Durability & Warranty
Expected Lifespan
Multiple race seasons with proper torque/install
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during every top-end service; re-torque head bolts after heat cycles
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