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Start ShoppingCometic C9641F Twin Cam Carb/EFI Gasket - MLS Full Kit for High-Performance Engines
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Description
Upgrade your engine's reliability with Cometic's premium Twin Cam Carb/EFI Gasket kit. Engineered for high-performance applications, this full gasket solution ensures optimal sealing and longevity for both carbureted and fuel-injected systems.
Key Features
- Multi-Layer Steel (MLS) Construction: Provides exceptional durability and heat resistance for demanding engine environments.
- 0.040 in. (1.02mm) Thickness: Ensures proper compression and sealing without compromising engine performance.
- Silicone Beading: Prevents leaks and maintains a secure fit around critical engine components.
- Full Kit Coverage: Includes all necessary components for Carburetor and EFI systems, saving time and effort during installation.
Why Choose This Product
Cometic's C9641F gasket kit combines advanced materials with precision engineering to deliver unmatched sealing performance. The MLS construction resists warping and degradation, while the silicone beading ensures long-term reliability. As a complete kit, it eliminates the need for additional parts, making it a cost-effective solution for Twin Cam engine rebuilds or modifications. Perfect for riders seeking dependable performance and peace of mind on the track or trail.
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Upgrade your engine's reliability with Cometic's premium Twin Cam Carb/EFI Gasket kit. Engineered for high-performance applications, this full gasket solution ensures optimal sealing and longevity for both carbureted and fuel-injected systems.
Key Features
- Multi-Layer Steel (MLS) Construction: Provides exceptional durability and heat resistance for demanding engine environments.
- 0.040 in. (1.02mm) Thickness: Ensures proper compression and sealing without compromising engine performance.
- Silicone Beading: Prevents leaks and maintains a secure fit around critical engine components.
- Full Kit Coverage: Includes all necessary components for Carburetor and EFI systems, saving time and effort during installation.
Why Choose This Product
Cometic's C9641F gasket kit combines advanced materials with precision engineering to deliver unmatched sealing performance. The MLS construction resists warping and degradation, while the silicone beading ensures long-term reliability. As a complete kit, it eliminates the need for additional parts, making it a cost-effective solution for Twin Cam engine rebuilds or modifications. Perfect for riders seeking dependable performance and peace of mind on the track or trail.
| SKU | GM41189985 |
|---|---|
| MPN | C9641F |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Harley-Davidson | Twin Cam 88 Carbureted Models | 1999-2006 |
| Harley-Davidson | Twin Cam EFI Models | 2007-2017 |
Frequently Asked Questions
The C9641F is specifically for Twin Cam Big Twin engines (88ci and up). Sportsters use Evolution engines and require different part numbers like C5255 or similar.
Yes, this is a complete Carb/EFI Twin Cam gasket kit including head gaskets, base gaskets, exhaust gaskets, valve cover gaskets, and all necessary o-rings.
0.040" is the stock replacement thickness. 0.030" is for high-compression builds. Choose based on your piston-to-valve clearance and desired compression ratio.
The C9641F includes MLS head gaskets. No additional head gaskets are needed.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- torque wrench
- socket set
- gasket scraper
- engine assembly lube
- RTV sealant
Pro Tips
- Clean all surfaces thoroughly with brake cleaner
- Use assembly lube on bearings and cam journals
- Torque head bolts in proper sequence
- Apply thin bead of RTV to cylinder base
Common Mistakes to Avoid
- Over-torquing head bolts
- Not cleaning surfaces properly
- Misaligning dowel pins
Comparison vs Stock/OEM
Multi-layer steel construction vs paper/composition stock gaskets
Improvements
- Superior sealing under high heat/pressure
- Will not burn through like paper gaskets
- Better for high compression/performance builds
- Longer service life
Considerations
- Requires perfectly flat surfaces
- More expensive than OEM
- Proper torque sequence critical
Durability & Warranty
Expected Lifespan
Engine life (100,000+ miles typical)
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during valve adjustments, replace if damaged
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