Cometic C7908-EST High Performance Top End Gasket Kit - MLS Head Gasket & Viton Seals for Powersports Engines

Description

Upgrade your powersports engine's reliability with Cometic's high-performance top end gasket kit. Engineered for durability and precision, this complete kit delivers optimal sealing and long-term performance for demanding off-road and street applications.

Key Features

  • Multi-Layer Steel (MLS) Head Gasket: Constructed from high-strength steel for superior heat resistance and sealing reliability under extreme engine conditions.
  • Viton Seals Construction: Heat-resistant Viton material ensures durability in high-temperature environments, preventing leaks and maintaining compression.
  • Customizable Thickness Options: Standard 0.040 in. head gasket thickness with availability for other sizes to accommodate specific engine requirements.
  • Complete Top-End Kit: Includes head gasket, base gasket, exhaust gasket, valve cover gasket, and O-rings for comprehensive engine sealing solutions.

Why Choose This Product

Cometic's top end gasket kit is engineered for powersports enthusiasts who demand peak engine performance. The MLS head gasket provides exceptional durability, while Viton seals ensure long-term reliability in high-heat environments. This complete kit eliminates the need for multiple purchases, saving time and ensuring perfect fitment for your engine. Whether you're modifying a high-performance motorcycle or maintaining a racing ATV, this kit offers the precision and strength required for demanding applications.
SKU: GM93E04DA8
MPN: C7908-EST
UPC: 191070013691
Category: Gaskets/Seals
Brand: Cometic
Stock: Only 4 left!
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Upgrade your powersports engine's reliability with Cometic's high-performance top end gasket kit. Engineered for durability and precision, this complete kit delivers optimal sealing and long-term performance for demanding off-road and street applications.

Key Features

  • Multi-Layer Steel (MLS) Head Gasket: Constructed from high-strength steel for superior heat resistance and sealing reliability under extreme engine conditions.
  • Viton Seals Construction: Heat-resistant Viton material ensures durability in high-temperature environments, preventing leaks and maintaining compression.
  • Customizable Thickness Options: Standard 0.040 in. head gasket thickness with availability for other sizes to accommodate specific engine requirements.
  • Complete Top-End Kit: Includes head gasket, base gasket, exhaust gasket, valve cover gasket, and O-rings for comprehensive engine sealing solutions.

Why Choose This Product

Cometic's top end gasket kit is engineered for powersports enthusiasts who demand peak engine performance. The MLS head gasket provides exceptional durability, while Viton seals ensure long-term reliability in high-heat environments. This complete kit eliminates the need for multiple purchases, saving time and ensuring perfect fitment for your engine. Whether you're modifying a high-performance motorcycle or maintaining a racing ATV, this kit offers the precision and strength required for demanding applications.
SKU GM93E04DA8
MPN C7908-EST
UPC/GTIN 191070013691
Brand Cometic
Category Gaskets/Seals
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Reviews

Make Model Years
Honda CRF450R 2019-2025
Honda CRF450RX 2019-2025
Honda CRF450RL 2020-2025

Frequently Asked Questions

Standard 0.040" thickness. Other thicknesses available separately (0.020", 0.030", 0.051").

Yes, designed as direct replacement for stock top-end gaskets.

Yes, complete top-end kit includes base gasket, head gasket, exhaust gaskets, and all necessary O-rings.

Multi-Layer Steel (MLS) head gasket for superior sealing under high compression.

Installation Guide

Difficulty Medium
Est. Time 2 hr 0 min

Tools Required

  • torque wrench
  • socket set
  • gasket scraper
  • engine stand or hoist

Pro Tips

  • Clean all surfaces with brake cleaner
  • Follow factory torque specs and sequence
  • Apply thin layer of assembly lube to O-rings

Common Mistakes to Avoid

  • Not cleaning mating surfaces thoroughly
  • Incorrect torque sequence on head bolts
  • Reusing old O-rings

Comparison vs Stock/OEM

MLS construction vs OEM single-layer composite

Improvements

  • Better sealing under high compression and heat
  • Superior durability for racing
  • Handles higher boost/pressure

Considerations

  • More expensive than OEM
  • Requires precise installation

Durability & Warranty

Expected Lifespan Multiple race seasons with proper torque
Warranty 1 year manufacturer defect warranty
Maintenance Re-torque head bolts after initial heat cycles

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