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Start ShoppingCometic C9632 Evo Sportster Seal - MLS Gasket for Reliable Engine Performance
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Description
Ensure optimal engine performance with Cometic's C9632 Evo Sportster Seal, engineered for durability and precision fit. This MLS gasket delivers reliable sealing for high-performance motorcycle engines, preventing leaks and maintaining peak power output.
Key Features
- Multi-Layer Steel (MLS) Construction: Superior heat resistance and sealing integrity for long-lasting performance
- 0.040 in. (1.020 mm) Thickness: Balanced compression for secure sealing without excessive engine compartment heat buildup
- 3.875 in. (98.43 mm) Bore Size: Precision-engineered fit for Evo Sportster engines
- 4.125 in. x 4.125 in. Dimensions: Comprehensive coverage for critical engine sealing surfaces
- 0.1 lbs Weight: Lightweight design for easy installation and reduced stress on engine components
Why Choose This Product
Cometic's C9632 seal combines advanced MLS technology with motorcycle-specific engineering to deliver unmatched sealing reliability. Its precise bore size compatibility ensures perfect fitment, while the durable construction resists warping and degradation from engine heat. This gasket is ideal for riders seeking to maintain peak engine performance and prevent costly leaks in high-output motorcycle applications.
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Ensure optimal engine performance with Cometic's C9632 Evo Sportster Seal, engineered for durability and precision fit. This MLS gasket delivers reliable sealing for high-performance motorcycle engines, preventing leaks and maintaining peak power output.
Key Features
- Multi-Layer Steel (MLS) Construction: Superior heat resistance and sealing integrity for long-lasting performance
- 0.040 in. (1.020 mm) Thickness: Balanced compression for secure sealing without excessive engine compartment heat buildup
- 3.875 in. (98.43 mm) Bore Size: Precision-engineered fit for Evo Sportster engines
- 4.125 in. x 4.125 in. Dimensions: Comprehensive coverage for critical engine sealing surfaces
- 0.1 lbs Weight: Lightweight design for easy installation and reduced stress on engine components
Why Choose This Product
Cometic's C9632 seal combines advanced MLS technology with motorcycle-specific engineering to deliver unmatched sealing reliability. Its precise bore size compatibility ensures perfect fitment, while the durable construction resists warping and degradation from engine heat. This gasket is ideal for riders seeking to maintain peak engine performance and prevent costly leaks in high-output motorcycle applications.| SKU | GM8EDE1B96 |
|---|---|
| MPN | C9632 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Harley-Davidson | Sportster XL883 | 1986-1990 |
| Harley-Davidson | Sportster XL1100 | 1986-1990 |
| Harley-Davidson | Sportster XL1200 | 1988-1994 |
| Harley-Davidson | Sportster 883/1200 Evolution | 1991-2003 |
Frequently Asked Questions
Yes, C9632 fits all Evolution Sportster engines 1986-1994, including 883/1100/1200 models.
0.040" thickness is standard replacement for OEM; available in other thicknesses like 0.030" or 0.051" if needed.
Yes, rated for 98mm bores; confirm bore size matches your pistons.
MLS gaskets can be installed dry, but Cometic recommends their gasket sealer for best results on iron heads.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- torque wrench
- socket set
- gasket scraper
- head bolt kit
Pro Tips
- Use Cometic sealant on both sides if high compression
- Torque in 3 stages following Harley crisscross pattern
- Check piston-to-valve clearance
Common Mistakes to Avoid
- Not cleaning surfaces thoroughly
- Incorrect torque sequence
- Reusing old head bolts
Comparison vs Stock/OEM
MLS construction vs. OEM composite/paper gasket
Improvements
- Superior sealing under high compression/boost
- Resists warping and blowout
- Better for performance builds
Considerations
- Requires precise torque; not reusable
Durability & Warranty
Expected Lifespan
Engine life with proper install (100,000+ miles)
Warranty
1 year Cometic manufacturer warranty
Maintenance
Inspect during valve adjustments; no specific maintenance needed
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