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Start ShoppingCometic C7019 High Performance Top End Gasket Kit - MLS Head Gasket for Engine Rebuilds
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Description
Upgrade your engine's sealing integrity with Cometic's C7019 High Performance Top End Gasket Kit. Designed for stock or mildly modified engines, this comprehensive kit ensures optimal compression and sealing under high cylinder pressures, delivering reliable performance for racing and track use.
Key Features
- Multi-Layer Steel (MLS) Head Gasket: Advanced MLS construction with high-temperature coatings resists micro-leakage and maintains sealing under extreme thermal and mechanical stress.
- Complete Top-End Sealing System: Includes head gasket, base gasket, exhaust gaskets, valve cover/cam cover gaskets, and O-rings for all critical circuits in your engine's top end.
- Model-Dependent Compatibility: Exhaust and cover gaskets are tailored to specific engine models, ensuring perfect fitment and sealing performance.
- High-Performance Materials: Premium fiber/composite materials for ancillary seals provide durability and resistance to heat, oil, and chemical degradation.
Why Choose This Product
Cometic's C7019 kit exceeds OEM sealing standards with its advanced MLS technology and comprehensive component selection. Whether you're rebuilding an engine for street use or track competition, this kit provides the reliability needed to maintain peak performance. The included high-temperature coatings and durable materials ensure long-term sealing integrity, while the model-specific components simplify installation and reduce the risk of leaks. Perfect for riders who demand precision and durability in their power sports engines.
SKU:
GM9A36399D
MPN:
C7019
UPC:
191070007768
Category:
Gaskets/Seals
Brand:
Cometic
Stock:
Out of Stock
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Upgrade your engine's sealing integrity with Cometic's C7019 High Performance Top End Gasket Kit. Designed for stock or mildly modified engines, this comprehensive kit ensures optimal compression and sealing under high cylinder pressures, delivering reliable performance for racing and track use.
Key Features
- Multi-Layer Steel (MLS) Head Gasket: Advanced MLS construction with high-temperature coatings resists micro-leakage and maintains sealing under extreme thermal and mechanical stress.
- Complete Top-End Sealing System: Includes head gasket, base gasket, exhaust gaskets, valve cover/cam cover gaskets, and O-rings for all critical circuits in your engine's top end.
- Model-Dependent Compatibility: Exhaust and cover gaskets are tailored to specific engine models, ensuring perfect fitment and sealing performance.
- High-Performance Materials: Premium fiber/composite materials for ancillary seals provide durability and resistance to heat, oil, and chemical degradation.
Why Choose This Product
Cometic's C7019 kit exceeds OEM sealing standards with its advanced MLS technology and comprehensive component selection. Whether you're rebuilding an engine for street use or track competition, this kit provides the reliability needed to maintain peak performance. The included high-temperature coatings and durable materials ensure long-term sealing integrity, while the model-specific components simplify installation and reduce the risk of leaks. Perfect for riders who demand precision and durability in their power sports engines.| SKU | GM9A36399D |
|---|---|
| MPN | C7019 |
| UPC/GTIN | 191070007768 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | CRF450R | 2009-2012 |
| Honda | CRF450X | 2010-2012 |
| Honda | CRF450R Expert | 2009-2013 |
Frequently Asked Questions
Yes, Cometic top-end gasket kits are designed as direct-fit replacements for the OEM gaskets for the specific engine application. Always confirm fitment by part number and vehicle details before ordering.
For Cometic MLS head gaskets, the general recommendation is to install them clean and dry on properly prepared surfaces, unless the engine manufacturer specifically calls for a sealant in a particular area. Do not coat the whole gasket with RTV or copper spray unless Cometic’s application notes explicitly say so.
Cometic high performance top-end kits are widely used in race and high-compression builds. However, suitability depends on your specific compression ratio, tuning, and application. For radical builds, consult your engine builder or Cometic directly about gasket thickness and material selection.
No. A top-end kit typically covers only the cylinder head, cylinder base, and related top-end gaskets and seals. Bottom-end components (crank seals, main bearings, side covers, etc.) require a separate complete or bottom-end gasket kit.
Resurfacing is not always required, but the head and cylinder mating surfaces must be within the flatness tolerance specified in the service manual. If they are warped, pitted, or corroded, resurfacing is strongly recommended for reliable sealing.
Installation Guide
Difficulty
Medium
Est. Time
2 hr 0 min
Tools Required
- Metric/SAE socket set (per vehicle requirements)
- Torque wrench (capable of OEM head torque specs)
- Breaker bar
- Feeler gauges (for valve clearance if required by model)
- Plastic scraper or razor blade (for cleaning old gasket material)
- Engine assembly lube (for cams/lifters if removed)
- Shop towels and brake cleaner/solvent
- Service manual for torque specs and tightening sequence
Pro Tips
- Always have the factory service manual open for exact torque values and sequences.
- Dry-fit the head gasket first to confirm orientation and alignment with oil/coolant passages.
- Use a precision straightedge and feeler gauges to check head and cylinder deck flatness; resurface if out of spec.
- Clean mating surfaces with a plastic scraper and solvent, then wipe with a lint-free cloth until absolutely clean.
- Re-torque head bolts if the OEM procedure calls for it after initial heat cycles.
- Blow out head bolt holes with compressed air so trapped oil/coolant does not skew torque readings.
Common Mistakes to Avoid
- Not following the factory head bolt tightening sequence and torque steps
- Reusing old head bolts or studs when OEM specifies replacement (torque-to-yield hardware)
- Installing the head gasket upside-down or backwards (oil/coolant passages misaligned)
- Not cleaning the mating surfaces thoroughly (leaving old gasket material, sealant, or scratches)
- Skipping checks for warped head or cylinder (no straightedge/feeler gauge measurement)
- Using RTV or sealant where MLS head gaskets are intended to be installed dry
Comparison vs Stock/OEM
Cometic’s high performance top-end kits generally match or exceed OEM sealing performance, particularly under high cylinder pressures and racing conditions, by using multi-layer steel head gaskets and high-spec materials.
Improvements
- Improved sealing reliability at high compression and high RPM compared with many OEM composite gaskets.
- Better resistance to fretting and micro-leaks due to MLS construction and specialized coatings.
- Consistent compressed thickness for predictable compression ratio and head torque retention.
Considerations
- Proper surface preparation and flatness are more critical with MLS gaskets than with some softer OEM composite designs.
- Requires careful adherence to torque specs and patterns; improper installation can negate advantages.
- In extremely high-compression or boosted applications, you may need to select a specific thickness or custom gasket through Cometic.
Durability & Warranty
Expected Lifespan
Comparable to or better than OEM when installed on in-spec, flat surfaces and used within intended performance ranges.
Warranty
Typical gasket warranty is limited to manufacturing defects only and does not cover improper installation or engine tuning issues; exact terms depend on the distributor and Cometic’s current policy.
Maintenance
No direct maintenance of the gasket itself. Indirectly, monitor coolant and oil levels, watch for cross-contamination, overheating, or compression loss. Re-torque procedures, if required, must follow the service manual.
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