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Start ShoppingCometic C9201 MLS Primary Housing Gasket for Evo Big Twin & Twin Cam Engines – High-Performance Sealing Solution
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Description
Upgrade your engine's reliability with Cometic's C9201 MLS primary housing gasket, engineered for flawless sealing in high-performance Evo Big Twin and Twin Cam engines. This critical component ensures long-lasting durability and prevents costly leaks, keeping your powerplant running smoothly under extreme conditions.
Key Features
- Multi-Layer Steel (MLS) Construction: Superior heat resistance and sealing integrity for demanding engine environments.
- 0.015" Thickness: Optimized compression for perfect fitment without compromising durability.
- Primary Housing Compatibility: Precision-engineered for Evo Big Twin and Twin Cam engines.
- Lightweight Design: Only 0.1 lbs, reducing unnecessary engine component weight.
Why Choose This Product
Cometic's C9201 gasket delivers unmatched sealing performance with its MLS construction, eliminating the risk of coolant or oil leaks. The precise dimensions ensure a perfect fit, while the ultra-thin profile maintains engine efficiency. Riders benefit from enhanced reliability, reduced maintenance costs, and peace of mind knowing their engine is protected against high-temperature stress and vibration. Whether you're modifying or maintaining your powerplant, this gasket provides the durability needed for long-term performance.
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Upgrade your engine's reliability with Cometic's C9201 MLS primary housing gasket, engineered for flawless sealing in high-performance Evo Big Twin and Twin Cam engines. This critical component ensures long-lasting durability and prevents costly leaks, keeping your powerplant running smoothly under extreme conditions.
Key Features
- Multi-Layer Steel (MLS) Construction: Superior heat resistance and sealing integrity for demanding engine environments.
- 0.015" Thickness: Optimized compression for perfect fitment without compromising durability.
- Primary Housing Compatibility: Precision-engineered for Evo Big Twin and Twin Cam engines.
- Lightweight Design: Only 0.1 lbs, reducing unnecessary engine component weight.
Why Choose This Product
Cometic's C9201 gasket delivers unmatched sealing performance with its MLS construction, eliminating the risk of coolant or oil leaks. The precise dimensions ensure a perfect fit, while the ultra-thin profile maintains engine efficiency. Riders benefit from enhanced reliability, reduced maintenance costs, and peace of mind knowing their engine is protected against high-temperature stress and vibration. Whether you're modifying or maintaining your powerplant, this gasket provides the durability needed for long-term performance.
| SKU | GME1B8C327 |
|---|---|
| MPN | C9201 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Harley-Davidson | Evolution Big Twin | 1986-1999 |
| Harley-Davidson | Twin Cam | 1999-2017 |
Frequently Asked Questions
No, C9201 is for Evo Big Twin (1986-1999) and Twin Cam (1999-2017). For M8 use Cometic C9256.
MLS gaskets like this can often be reused if undamaged, but replacement is recommended during primary disassembly.
Yes, inspect and replace primary chaincase O-ring (OEM 11105) if worn.
Cometic is multi-layer steel for superior sealing under high heat/pressure vs. stock paper/composite.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- socket set
- torque wrench
- gasket scraper
- Harley primary lock tool
Pro Tips
- Clean surfaces with brake cleaner and plastic scraper. Torque bolts in crisscross pattern to spec (84-108 in-lbs). Apply light oil to bolts.
Common Mistakes to Avoid
- Not cleaning mating surfaces thoroughly
- Incorrect torque sequence
- Reusing old primary gasket
Comparison vs Stock/OEM
Multi-layer steel vs. stock paper/composite gasket
Improvements
- Superior sealing under high pressure/heat
- Resists blowouts
- Longer service life
Considerations
- Slightly thicker (0.015") - verify clearances
Durability & Warranty
Expected Lifespan
Entire engine life if installed properly; reusable 2-3 times
Warranty
1 year Cometic manufacturer defect warranty
Maintenance
Inspect during primary service (every 10k miles)
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