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Start ShoppingCOMETIC C9508F MLS Starter Gasket for Panhead/Shovelhead/Evo Big Twin - Durable & Reliable
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Description
Upgrade your motorcycle's engine reliability with the COMETIC C9508F MLS Starter Gasket. Engineered for Panhead, Shovelhead, and Evo Big Twin models, this durable gasket provides a perfect seal to prevent leaks and ensure smooth operation. Its multi-layer steel construction offers superior heat resistance and longevity, making it an essential upgrade for riders seeking peak performance.
Key Features
- Multi-Layer Steel (MLS) Construction: Provides exceptional durability and heat resistance for long-lasting performance.
- 0.015" Thickness: Ensures a precise fit and optimal compression for secure sealing.
- Standard Fitment: Compatible with all Panhead, Shovelhead, and Evo Big Twin starter openings.
- Lightweight Design: Weighs just 0.1 lbs for easy handling and installation.
Why Choose This Product
Whether you're restoring a classic or maintaining a modern Big Twin, this gasket delivers unmatched reliability. Its MLS construction prevents warping and leaks, while the precise dimensions ensure a perfect fit. Trusted by mechanics and riders alike, this product enhances engine efficiency and reduces maintenance headaches. Perfect for both daily commuting and weekend rides, it's a must-have for any Harley-Davidson enthusiast.
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Upgrade your motorcycle's engine reliability with the COMETIC C9508F MLS Starter Gasket. Engineered for Panhead, Shovelhead, and Evo Big Twin models, this durable gasket provides a perfect seal to prevent leaks and ensure smooth operation. Its multi-layer steel construction offers superior heat resistance and longevity, making it an essential upgrade for riders seeking peak performance.
Key Features
- Multi-Layer Steel (MLS) Construction: Provides exceptional durability and heat resistance for long-lasting performance.
- 0.015" Thickness: Ensures a precise fit and optimal compression for secure sealing.
- Standard Fitment: Compatible with all Panhead, Shovelhead, and Evo Big Twin starter openings.
- Lightweight Design: Weighs just 0.1 lbs for easy handling and installation.
Why Choose This Product
Whether you're restoring a classic or maintaining a modern Big Twin, this gasket delivers unmatched reliability. Its MLS construction prevents warping and leaks, while the precise dimensions ensure a perfect fit. Trusted by mechanics and riders alike, this product enhances engine efficiency and reduces maintenance headaches. Perfect for both daily commuting and weekend rides, it's a must-have for any Harley-Davidson enthusiast.
| SKU | GMD7003D79 |
|---|---|
| MPN | C9508F |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Harley-Davidson | Panhead Big Twin | 1948-1984 |
| Harley-Davidson | Shovelhead Big Twin | 1966-1984 |
| Harley-Davidson | Evolution Big Twin | 1984-1999 |
Frequently Asked Questions
Yes, fits all 1984-1999 Evolution Big Twin models with electric starters.
MLS gaskets like this can often be reused if undamaged, but replacement is recommended during teardown.
C9508F is the full gasket; C9508 may refer to variations or kits—confirm with Cometic part lookup.
Inspect the starter nose cone O-ring; replace if worn (common Cometic part SP9110).
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Socket set (7/16" or 10mm)
- Torque wrench
- Gasket scraper
- RTV sealant (optional)
Pro Tips
- Clean all surfaces with brake cleaner. Use a thin bead of RTV on both sides if desired for extra seal. Torque to 15-20 ft-lbs.
Common Mistakes to Avoid
- Not cleaning mating surfaces thoroughly
- Over-torquing starter bolts
Comparison vs Stock/OEM
Replaces paper OEM gasket with multi-layer steel for superior sealing
Improvements
- Better heat resistance
- Conforms to minor surface imperfections
- Reusable if undamaged
Considerations
- Slightly thicker than paper (0.015")—verify clearance
Durability & Warranty
Expected Lifespan
Engine life (if installed correctly)
Warranty
Cometic 1-year warranty against defects
Maintenance
Inspect during starter removal; no routine maintenance needed
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