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Start ShoppingCometic C9630 Twin Cam Carb/EFI Gasket Kit - MLS Multi-Layer Steel Gaskets for High-Performance Engines
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Description
Upgrade your Harley-Davidson engine's sealing performance with Cometic's premium Twin Cam Carb/EFI gasket kit. Engineered for durability and precision, this MLS gasket set ensures leak-free operation and long-term reliability for street and track use.
Key Features
- Multi-Layer Steel (MLS) Construction: Superior heat resistance and sealing integrity for high-performance engines
- 0.040" Thickness: Optimal compression for perfect sealing without compromising engine breathing
- Complete Kit Includes: Base, cylinder head, intake, exhaust, and valve cover gaskets for full engine coverage
- Lightweight Design: 0.5 lbs total weight for easy handling and installation
Why Choose This Product
Cometic's Twin Cam gasket set delivers unmatched durability and compatibility with Harley-Davidson engines. The MLS material resists warping and degradation, while the comprehensive kit eliminates the need for multiple purchases. Riders benefit from improved engine efficiency, reduced maintenance costs, and peace of mind with a trusted performance brand.
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Upgrade your Harley-Davidson engine's sealing performance with Cometic's premium Twin Cam Carb/EFI gasket kit. Engineered for durability and precision, this MLS gasket set ensures leak-free operation and long-term reliability for street and track use.
Key Features
- Multi-Layer Steel (MLS) Construction: Superior heat resistance and sealing integrity for high-performance engines
- 0.040" Thickness: Optimal compression for perfect sealing without compromising engine breathing
- Complete Kit Includes: Base, cylinder head, intake, exhaust, and valve cover gaskets for full engine coverage
- Lightweight Design: 0.5 lbs total weight for easy handling and installation
Why Choose This Product
Cometic's Twin Cam gasket set delivers unmatched durability and compatibility with Harley-Davidson engines. The MLS material resists warping and degradation, while the comprehensive kit eliminates the need for multiple purchases. Riders benefit from improved engine efficiency, reduced maintenance costs, and peace of mind with a trusted performance brand.
| SKU | GM3EE36B10 |
|---|---|
| MPN | C9630 |
| UPC/GTIN | 191070033149 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Harley-Davidson | Twin Cam 88 Carbureted Models (Softail, Dyna, Touring) | 1999-2006 |
| Harley-Davidson | Twin Cam EFI Models (Softail, Dyna, Touring) | 2006-2017 |
| Harley-Davidson | FXD, FLH, FLT, FXST Series | 1999-2017 |
Frequently Asked Questions
Yes, C9630 fits 1999-2017 Twin Cam EFI models including FLHTCU Ultra Classic.
Yes, 0.040" MLS construction provides better sealing than stock composite gaskets.
No milling required for stock bore/stroke configurations. Check piston-to-valve clearance.
Yes, C9630 covers both carbureted and EFI Twin Cam applications with EV6/EV27 heads.
Complete set: base gasket, cylinder head gaskets, intake/exhaust, rocker box, valve cover gaskets.
Installation Guide
Difficulty
Medium
Est. Time
2 hr 0 min
Tools Required
- torque wrench
- socket set
- gasket scraper
- engine oil
- Harley torque specs chart
Pro Tips
- Use Cometic sealant on critical areas
- Follow Harley torque specs exactly (cylinder head: 16-21 ft-lbs initial)
- Measure deck clearance before install
Common Mistakes to Avoid
- Not cleaning mating surfaces thoroughly
- Incorrect torque sequence
- Over-torquing head bolts
Comparison vs Stock/OEM
MLS multi-layer steel vs. stock single-layer composite
Improvements
- Superior sealing under high heat/pressure
- Better for performance builds
- Resists blowout better than OEM
Considerations
- Requires precise torque specs
- Slightly thicker than stock
Durability & Warranty
Expected Lifespan
Engine rebuild lifespan (50,000+ miles with proper install)
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during valve adjustments; replace during major engine work
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