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Start ShoppingCometic C7237 High Performance Top End Gasket Kit - MLS Head Gasket for Race-Level Rebuilds
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Description
Upgrade your engine's reliability and performance with Cometic's C7237 High Performance Top End Gasket Kit. Designed for race-level rebuilds, this precision-engineered kit delivers superior sealing and durability to handle extreme power and heat demands.
Key Features
- Comprehensive Component Set: Includes head gasket, base gasket, exhaust gaskets/o-rings, valve stem seals (where applicable), and application-specific o-rings for complete top-end sealing.
- Advanced Material Options: Multi-Layer Steel (MLS) head gaskets or high-performance composite materials (application-dependent) for maximum heat resistance and compression integrity.
- Model-Specific Design: Engineered for exact fitment on specific engine models, ensuring proper sealing without guesswork or compatibility issues.
- High-Performance Reliability: Built to withstand high RPMs, elevated temperatures, and extreme pressure for racing and modified engine applications.
Why Choose This Product
Cometic's C7237 kit combines precision engineering with durable materials to deliver unmatched sealing performance. The inclusion of application-specific components ensures compatibility with various engine configurations, while MLS or composite materials provide long-lasting reliability. Ideal for riders seeking to maximize engine efficiency and performance without compromising on safety or durability. Perfect for both professional racers and serious enthusiasts looking to achieve peak mechanical performance.
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Upgrade your engine's reliability and performance with Cometic's C7237 High Performance Top End Gasket Kit. Designed for race-level rebuilds, this precision-engineered kit delivers superior sealing and durability to handle extreme power and heat demands.
Key Features
- Comprehensive Component Set: Includes head gasket, base gasket, exhaust gaskets/o-rings, valve stem seals (where applicable), and application-specific o-rings for complete top-end sealing.
- Advanced Material Options: Multi-Layer Steel (MLS) head gaskets or high-performance composite materials (application-dependent) for maximum heat resistance and compression integrity.
- Model-Specific Design: Engineered for exact fitment on specific engine models, ensuring proper sealing without guesswork or compatibility issues.
- High-Performance Reliability: Built to withstand high RPMs, elevated temperatures, and extreme pressure for racing and modified engine applications.
Why Choose This Product
Cometic's C7237 kit combines precision engineering with durable materials to deliver unmatched sealing performance. The inclusion of application-specific components ensures compatibility with various engine configurations, while MLS or composite materials provide long-lasting reliability. Ideal for riders seeking to maximize engine efficiency and performance without compromising on safety or durability. Perfect for both professional racers and serious enthusiasts looking to achieve peak mechanical performance.| SKU | GMF3AE2F18 |
|---|---|
| MPN | C7237 |
| UPC/GTIN | 191070029081 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Frequently Asked Questions
C7237 is a model-specific top end gasket kit. You must verify the exact year, make, model, and engine size against a Cometic or retailer fitment chart before ordering. The same part number does not fit multiple dissimilar engines.
Cometic top end kits are typically performance-oriented replacements that meet or exceed OEM sealing performance. Many applications use multi-layer steel (MLS) head gaskets and upgraded materials designed for high-compression and racing use.
Most Cometic head and base gaskets are designed to be installed dry, but some side cover or water-jacket joints may require OEM-specified sealant. Follow the instructions in your service manual and any notes from Cometic for your specific application.
No. A top end gasket kit only covers the upper end (head, cylinder, and related seals). For crankcase, clutch cover, stator cover, and oil pan gaskets you would need a complete engine or bottom-end kit.
No. Cometic head gaskets and other crush-type gaskets are designed for one-time use only. Always replace with a new gasket if the head is removed again.
Installation Guide
Difficulty
Medium
Est. Time
2 hr 0 min
Tools Required
- Metric or SAE socket set (as appropriate)
- Torque wrench with manufacturer torque specs
- Feeler gauges (for valve clearance on 4-strokes)
- Scraper or plastic razor for old gasket removal
- Brake cleaner or gasket surface cleaner
- Shop rags
- Service manual for torque sequence and specs
Pro Tips
- Always have the OEM service manual open for correct torque specs, tightening sequence, and valve clearance values.
- Dry-fit the gaskets and o-rings first to confirm orientation and location before final assembly.
- Use a straightedge and feeler gauge to check the cylinder head and cylinder deck for warpage; have them machined if out of spec.
- Clean all threaded holes with compressed air and chase with a tap if needed to ensure accurate torque readings.
- Allow any required sealant (if specified by OEM or Cometic) to skin per directions before final torque.
- After first heat cycle, some builders re-check torque (only if allowed by the service manual).
Common Mistakes to Avoid
- Reusing old head bolts or studs when manufacturer specifies replacement
- Not cleaning gasket surfaces completely, leaving old material or sealant
- Installing gaskets dry when Cometic or OEM procedure calls for specific sealant (on certain locations only)
- Ignoring torque sequence and torque specs for cylinder head and cylinder base
- Not checking head and cylinder deck for warpage before installing a new head gasket
- Mixing up o-rings or small seals included in the kit and placing them in wrong locations
Comparison vs Stock/OEM
Cometic C7237 is a high-performance, model-specific top end gasket kit intended as an upgrade or premium replacement for OEM gaskets.
Improvements
- Use of multi-layer steel (MLS) or advanced composite materials in many applications for improved sealing under high compression and elevated cylinder pressures.
- Better resistance to detonation and micro-leakage compared with many paper/fiber OEM gaskets on performance builds.
- More consistent clamp load distribution and long-term sealing when paired with proper torque and flat sealing surfaces.
- Kits usually include all the top-end seals needed in one package, reducing the chance of missing a small o-ring or gasket compared with ordering OEM pieces individually.
Considerations
- Correct surface finish and flatness are more important with MLS-style performance gaskets than with some softer OEM composite gaskets.
- Some race builders prefer to combine Cometic head gaskets with aftermarket head studs for maximum reliability in high-boost or high-compression builds.
- Always confirm compression ratio effects if using different thickness head gaskets than OEM; Cometic offers multiple thicknesses for some applications.
Durability & Warranty
Expected Lifespan
Comparable to or better than OEM when installed on flat, clean surfaces with proper torque; designed to withstand high-compression and race use.
Warranty
Typical Cometic policy covers manufacturing defects only; gaskets are consumable items and not covered for wear, misuse, or improper installation.
Maintenance
No periodic maintenance of the gasket itself; monitor for coolant or oil leaks, overheating, or compression loss. Address fueling and ignition issues to avoid detonation, which can damage any head gasket.
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