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Start ShoppingCometic C7316 High Performance Top End Gasket Kit - MLS Multi-Layer Steel Gasket Set for Racing & Rebuilds
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Description
Upgrade your engine's reliability and performance with Cometic's C7316 High Performance Top End Gasket Kit. Engineered for racing and premium rebuilds, this MLS (Multi-Layer Steel) gasket set ensures optimal sealing and durability under extreme conditions.
Key Features
- MLS Multi-Layer Steel Construction: Superior heat resistance and sealing integrity for high-performance engines.
- Comprehensive Component Set: Includes head gasket, base gasket, exhaust/intake gaskets, valve cover gaskets, and O-rings for complete top-end sealing.
- Designed for Racing & Rebuilds: Precision-engineered to handle high horsepower and boost applications without compression leaks.
- USA-Made Quality: Manufactured in the U.S. with strict quality control for consistent performance.
Why Choose This Product
Cometic's C7316 gasket kit delivers unmatched durability and sealing reliability for power sports engines. The combination of MLS steel and composite materials resists warping and degradation, ensuring long-term performance. Its complete component set reduces installation time and eliminates the need for additional parts. Ideal for racers and rebuild enthusiasts seeking maximum engine efficiency and peace of mind.
SKU:
GM6CD53A39
MPN:
C7316
UPC:
191070012700
Category:
Gaskets/Seals
Brand:
Cometic
Stock:
Only 2 left!
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Upgrade your engine's reliability and performance with Cometic's C7316 High Performance Top End Gasket Kit. Engineered for racing and premium rebuilds, this MLS (Multi-Layer Steel) gasket set ensures optimal sealing and durability under extreme conditions.
Key Features
- MLS Multi-Layer Steel Construction: Superior heat resistance and sealing integrity for high-performance engines.
- Comprehensive Component Set: Includes head gasket, base gasket, exhaust/intake gaskets, valve cover gaskets, and O-rings for complete top-end sealing.
- Designed for Racing & Rebuilds: Precision-engineered to handle high horsepower and boost applications without compression leaks.
- USA-Made Quality: Manufactured in the U.S. with strict quality control for consistent performance.
Why Choose This Product
Cometic's C7316 gasket kit delivers unmatched durability and sealing reliability for power sports engines. The combination of MLS steel and composite materials resists warping and degradation, ensuring long-term performance. Its complete component set reduces installation time and eliminates the need for additional parts. Ideal for racers and rebuild enthusiasts seeking maximum engine efficiency and peace of mind.| SKU | GM6CD53A39 |
|---|---|
| MPN | C7316 |
| UPC/GTIN | 191070012700 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Yamaha | YZ450F | 2014-2017 |
| Yamaha | WR450F | 2014-2017 |
Installation Guide
Difficulty
Medium
Est. Time
2 hr 0 min
Tools Required
- service manual for the specific vehicle/engine
- metric/SAE socket set (per vehicle requirements)
- torque wrench (capable of OEM cylinder head and cylinder base torque values)
- angle gauge (if OEM specifies torque-to-yield / angle tightening)
- feeler gauges (for valve clearance adjustment if applicable)
- plastic or brass scraper (for old gasket removal)
- razor scraper (used carefully on iron surfaces only, if needed)
- brake cleaner or dedicated gasket remover/solvent
- shop towels and lint-free rags
- straightedge (to check head and cylinder deck for warpage)
- thread chaser or tap set (to clean head bolt threads)
- assembly lube / engine oil (for reassembly)
- coolant and engine oil (for refill after reassembly, as applicable)
Pro Tips
- Always consult the factory service manual for the exact torque values and tightening sequence; follow Cometic’s gasket‑specific instructions if provided.
- Dry‑fit the head and cylinder with the dowel pins installed before final assembly to ensure the new gaskets sit flat and properly aligned.
- Use a straightedge and feeler gauge to check head and cylinder deck warpage; resurface if outside OEM spec before installing a new MLS head gasket.
- Chase all head bolt threads and blow out the holes with compressed air to avoid hydraulic lock and false torque readings.
- Handle MLS head gaskets by the edges and avoid bending or scratching them; keep them clean and free of fingerprints, oil, and debris until installed.
- If the engine uses coolant passages through the head gasket, verify that all passages line up with the gasket openings and that no passages are blocked.
- After first heat cycle, check for external leaks (coolant, oil, combustion blow‑by) around the head and base gasket area.
Common Mistakes to Avoid
- Reusing old head bolts or studs where the OEM specifies single‑use (torque‑to‑yield) hardware
- Installing gaskets dry or with sealant when the manufacturer specifies the opposite (MLS gaskets normally installed dry, no spray copper unless explicitly specified)
- Not cleaning and degreasing the mating surfaces completely before gasket installation
- Allowing deep scratches or gouges on the head or cylinder deck, which can cause sealing failure
- Incorrect torque sequence or torque values on cylinder head and base nuts/bolts
- Neglecting to check cylinder head and cylinder deck for warpage before reassembly
- Pinching or misaligning dowel pins or locating sleeves during head/cylinder installation
- Forgetting to re‑torque fasteners where the OEM procedure requires a warm‑up and re‑torque (older engines)
Comparison vs Stock/OEM
Compared with most OEM paper or composite top-end gaskets, Cometic high-performance kits are designed to offer improved sealing under higher cylinder pressures and temperatures, especially when using multi-layer steel head gaskets where applicable.
Improvements
- Higher resistance to combustion pressure and detonation compared with many OEM paper/fiber gaskets
- Better long-term sealing on properly prepared surfaces, especially for performance or race applications
- Engine-specific gasket thicknesses that help maintain or fine-tune compression ratio within intended spec
- Materials and construction engineered for repeated heat cycles and high-RPM use
Considerations
- MLS-style head gaskets typically demand stricter surface finish and flatness than basic OEM paper gaskets; heads and cylinders may need resurfacing for best results.
- Must follow manufacturer torque specs and installation procedures carefully; improper installation can negate benefits.
- Not all Cometic kits are MLS; exact benefits depend on the specific engine and gasket design used in C7316.
Durability & Warranty
Expected Lifespan
Intended to last for the normal service life of a properly assembled top end under recommended use; actual life depends heavily on tuning, operating conditions, and maintenance.
Warranty
Cometic typically offers a limited warranty against defects in materials and workmanship; coverage may not extend to failures caused by improper installation, detonation, overheating, or incorrect tuning.
Maintenance
['Monitor coolant and oil levels and check for signs of cross-contamination (milky oil, oily coolant).', 'Periodically inspect around the cylinder head and base for weeping or staining that might indicate a minor leak.', 'Maintain correct ignition timing, air–fuel ratio, and cooling system performance to avoid detonation and overheating, which drastically shorten gasket life.', 'Follow recommended service intervals for valve clearance checks and top-end inspections as per the vehicle’s service manual.']
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