COMETIC C9210 Evo Sportster Primary Gasket - MLS Multi-Layer Steel Gasket for Reliable Engine Sealing

Description

Upgrade your Evo Sportster's engine sealing with the COMETIC C9210 Primary Gasket. This high-performance MLS gasket combines multi-layer steel with silicone beading to ensure long-lasting durability and leak-free operation. Designed for precise fitment on primary cover openings, it's engineered to withstand extreme temperatures and pressures, giving riders peace of mind on the road.

Key Features

  • Multi-Layer Steel (MLS) Construction: Provides superior sealing strength and resistance to thermal cycling for reliable engine performance.
  • Silicone Beading: Enhances sealing integrity around critical engine components, preventing leaks and oil contamination.
  • 0.015 in. Thickness: Optimized for balanced durability and flexibility, ensuring perfect compression without over-stressing engine components.
  • Primary Cover Fitment: Precision-engineered to match Evo Sportster primary cover openings for seamless installation and optimal sealing.

Why Choose This Product

Cometic's C9210 gasket is trusted by mechanics and riders alike for its unmatched durability and leak prevention. The combination of MLS steel and silicone beading creates a robust seal that resists breakdown from heat, vibration, and oil exposure. Its lightweight design (0.1 lbs) reduces stress on engine components while maintaining structural integrity. Whether you're rebuilding an engine or replacing a worn gasket, this product ensures reliable performance and extended engine life without compromising power or efficiency.

SKU: GM07C38E27
MPN: C9210
Category: Gaskets/Seals
Brand: Cometic
Stock: Only 3 left!
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Upgrade your Evo Sportster's engine sealing with the COMETIC C9210 Primary Gasket. This high-performance MLS gasket combines multi-layer steel with silicone beading to ensure long-lasting durability and leak-free operation. Designed for precise fitment on primary cover openings, it's engineered to withstand extreme temperatures and pressures, giving riders peace of mind on the road.

Key Features

  • Multi-Layer Steel (MLS) Construction: Provides superior sealing strength and resistance to thermal cycling for reliable engine performance.
  • Silicone Beading: Enhances sealing integrity around critical engine components, preventing leaks and oil contamination.
  • 0.015 in. Thickness: Optimized for balanced durability and flexibility, ensuring perfect compression without over-stressing engine components.
  • Primary Cover Fitment: Precision-engineered to match Evo Sportster primary cover openings for seamless installation and optimal sealing.

Why Choose This Product

Cometic's C9210 gasket is trusted by mechanics and riders alike for its unmatched durability and leak prevention. The combination of MLS steel and silicone beading creates a robust seal that resists breakdown from heat, vibration, and oil exposure. Its lightweight design (0.1 lbs) reduces stress on engine components while maintaining structural integrity. Whether you're rebuilding an engine or replacing a worn gasket, this product ensures reliable performance and extended engine life without compromising power or efficiency.

SKU GM07C38E27
MPN C9210
Brand Cometic
Category Gaskets/Seals
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Reviews

Make Model Years
Harley-Davidson Sportster (XL models with Evolution engine) 1986-2006
Harley-Davidson Sportster 883/1100/1200 1986-1990
Harley-Davidson Sportster 883/1200 1991-2003

Frequently Asked Questions

Yes, compatible with 1986-2006 Evolution Sportster XL models.

Standard 0.015" thickness matches OEM specs; Cometic offers custom thicknesses if needed.

No, MLS gaskets are single-use; crush beading provides the seal.

Yes, designed for stock and aftermarket Evo primary covers.

Installation Guide

Difficulty Easy
Est. Time 15 min

Tools Required

  • socket set (3/8" drive)
  • torque wrench
  • gasket scraper
  • primary lock-tite

Pro Tips

  • Clean surfaces with brake cleaner, apply thin layer of assembly lube to gasket edges, torque bolts in crisscross pattern to 84-108 in-lbs

Common Mistakes to Avoid

  • Not cleaning mating surfaces thoroughly
  • Over-torquing primary bolts

Comparison vs Stock/OEM

Replaces paper/composite OEM gasket with multi-layer steel for superior sealing

Improvements

  • Better heat resistance
  • No compression set
  • Reusable primary cover bolts

Considerations

  • Slightly higher cost than OEM

Durability & Warranty

Expected Lifespan Engine rebuild lifespan (50,000+ miles)
Warranty 1 year Cometic manufacturer defect warranty
Maintenance Inspect during primary service; replace every teardown

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