Cometic Hi-Performance Top End Gasket Kit
Cometic Hi-Performance Top End Gasket Kit
About this product
About this product
Elevate your engine's integrity and performance with the Cometic Hi-Performance Top End Gasket Kit. Engineered for demanding 4-stroke engines, this comprehensive kit features advanced Multi-Layer Steel (MLS) head gaskets and Extreme Sealing Technology (EST) to ensure a flawless seal under the most extreme conditions.
Description
Designed specifically for the rigorous demands of today's highest-output 4-stroke naturally aspirated and boosted machines, the Cometic Hi-Performance Top End Gasket Kit provides unparalleled sealing and durability. Each kit includes the correct base, head gasket, cylinder O-rings, and all other top end specific O-rings or seals necessary for a complete and reliable top end repair or rebuild. The heart of this kit lies in its state-of-the-art MLS head gaskets. These multi-layered steel gaskets feature outer layers embossed and coated with a Viton rubber material, promoting an even torque load across the sealing surface. This innovative design significantly reduces bore distortion, leading to a better piston ring seal for enhanced power output and efficiency. With a precise bore size of 95.00 mm (3.750") and a thickness of 0.91 mm (0.036"), these gaskets are built to withstand high cylinder pressures. Cometic's Extreme Sealing Technology (EST) further enhances reliability, utilizing embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber material. This advanced material composition allows heat to be effectively drawn away from the combustion ring and dissipated evenly across the gasket surface, eliminating hot spots and preventing premature gasket failure. Made in the USA, this kit ensures superior quality and peace of mind for your high-performance engine.
Features & Highlights
- Comprehensive Top End Kit: Includes all essential base, head gaskets, cylinder O-rings, and other critical seals required for a complete and reliable top end overhaul.
- Advanced Multi-Layer Steel (MLS) Head Gaskets: Utilizes a sophisticated multi-layered steel design with Viton-coated outer layers, ensuring even torque distribution, reduced bore distortion, and superior piston ring seal for maximum power.
- Extreme Sealing Technology (EST): Features embossed stainless steel gaskets with a proprietary rubber coating on head, base, and rocker gaskets, providing exceptional sealing integrity under high-horsepower and high-cylinder-pressure conditions.
- Optimized for 4-Stroke Engines: Specifically engineered to perform flawlessly in high-output, naturally aspirated, and boosted 4-stroke machines, meeting the demands of modern engine technology.
- Superior Heat Management: Unique gasket material efficiently dissipates heat from the combustion ring, preventing damaging hot spots and significantly extending gasket lifespan.
- Proudly Made in the USA: Manufactured with precision and high-quality materials in the United States, guaranteeing reliability and performance you can trust.
Technical Specifications
- Product Type: Gasket Kit
- Gasket Type: Top End
- Model: Hi-Performance
- Engine Type: 4-Stroke
- Material: MLX (Multi-Layer-Xtreme)
- Bore Size: 95.00 mm (3.750")
- Thickness: 0.91 mm (0.036")
- Units: Kit
- Vendor Part Number: C3039
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Specifications
C3039
Hi-Performance
Gasket Kit
95,00 mm (3,750")
205 mm
30 mm
0,91 mm (0,036")
307 mm
4-Stroke
MLX (Multi-Layer-Xtreme)
Top End
Kit
Reviews


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.
Based in Denmark
Fast customer support
Over 100.000 Products
2-Year Full Warranty
Your peace of mind is our priority. Every product in our shop comes with a comprehensive 2-year warranty, so you can hit the road with full confidence.
Support in Danish, Swedish, German & English
Whether you are upgrading your exhaust or choosing a new helmet, our team of seasoned riders is ready to provide professional guidance for your specific bike.
Free Shipping Over 200€ (EU)
Shop your favorite gear without worrying about extra costs. We offer free shipping on all orders over 200€ (EU), ensuring your parts reach you safely and affordably.
Authorized Parts Europe Dealer
As a certified Parts Europe supplier, we guarantee 100% authentic, high-quality motorcycle parts and accessories directly from the world's leading manufacturers.

