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Start ShoppingCometic C9008 Sportster MLS Head Gasket - Durable Multi-Layer Steel Gasket for Harley-Davidson Engines
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Description
Upgrade your Sportster engine's sealing system with Cometic's premium multi-layer steel (MLS) head gasket. Engineered for durability and precision, this gasket ensures optimal compression, heat resistance, and long-term reliability for high-performance riding.
Key Features
- Multi-Layer Steel (MLS) Construction: Superior heat resistance and sealing integrity for demanding engine conditions.
- Precision Fit for 3.375 in. Bore Size: Perfectly sized for Sportster engines to prevent leaks and ensure proper compression.
- 0.040 in. Thickness: Optimal sealing performance while maintaining engine efficiency and cooling.
- Durable for Long-Lasting Performance: Resists warping and degradation under high temperatures and pressure.
Why Choose This Product
Cometic's MLS head gasket delivers unmatched reliability for Sportster engines, combining advanced materials with precise engineering. Its multi-layer design prevents blow-by and coolant leaks, while the 0.040 in. thickness ensures proper sealing without compromising engine efficiency. Ideal for riders seeking maximum performance and longevity from their Harley-Davidson Sportster.
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Upgrade your Sportster engine's sealing system with Cometic's premium multi-layer steel (MLS) head gasket. Engineered for durability and precision, this gasket ensures optimal compression, heat resistance, and long-term reliability for high-performance riding.
Key Features
- Multi-Layer Steel (MLS) Construction: Superior heat resistance and sealing integrity for demanding engine conditions.
- Precision Fit for 3.375 in. Bore Size: Perfectly sized for Sportster engines to prevent leaks and ensure proper compression.
- 0.040 in. Thickness: Optimal sealing performance while maintaining engine efficiency and cooling.
- Durable for Long-Lasting Performance: Resists warping and degradation under high temperatures and pressure.
Why Choose This Product
Cometic's MLS head gasket delivers unmatched reliability for Sportster engines, combining advanced materials with precise engineering. Its multi-layer design prevents blow-by and coolant leaks, while the 0.040 in. thickness ensures proper sealing without compromising engine efficiency. Ideal for riders seeking maximum performance and longevity from their Harley-Davidson Sportster.
| SKU | GM0EDD4EB1 |
|---|---|
| MPN | C9008 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Harley-Davidson | Sportster (XL883, XL1100, XL1200) | 1986-2003 |
| Harley-Davidson | Sportster (XL883, XL1200) | 2004-2021 |
Frequently Asked Questions
Yes, C9008 fits 1986-2021 Sportster models including XL883. Confirm your bore size is 3.375in.
It's a common performance thickness. Stock is often 0.030-0.040in. Check your service manual for compression specs.
Yes, MLS construction handles up to 12:1 compression ratios well.
No, MLS gaskets are dry seal. Ensure surfaces are flat and clean.
Installation Guide
Difficulty
Medium
Est. Time
1 hr 0 min
Tools Required
- torque wrench
- socket set
- gasket scraper
- engine stand or hoist
Pro Tips
- Clean head and base thoroughly with brake cleaner
- Follow Harley torque specs (typically 15-20 ft-lbs in crisscross pattern)
- Apply light oil to bolts, never to gasket surfaces
Common Mistakes to Avoid
- Not cleaning mating surfaces thoroughly
- Incorrect torque sequence
- Reusing old bolts
Comparison vs Stock/OEM
MLS multi-layer steel vs single-layer composite OEM
Improvements
- Superior sealing under high pressure/heat
- Better durability for performance builds
- Resists blowout better than paper gaskets
Considerations
- Slightly thicker may change compression ratio slightly
Durability & Warranty
Expected Lifespan
Engine rebuild lifespan (50,000+ miles with proper torque)
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during valve checks; re-torque head bolts after 500 miles initial run-in
What Others Are Saying
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