{"product_id":"cometic-top-end-gasket-kit-c3429-est-for-high-performance-engines","title":"Cometic Top End Gasket Kit C3429-EST For Motorsports","description":"\u003cdiv\u003e\n\u003ch1\u003eCometic Top End Gasket Kit C3429-EST For Motorsports\u003c\/h1\u003e\n\u003cp\u003eEngineered for high‑performance KTM workflows, the Cometic Top End Gasket Kit C3429-EST delivers a reliable, race‑grade seal for the KTM 350 SX‑F with a 90mm bore. The EST (Extreme Sealing Technology) design pairs embossed stainless steel head, base, and rocker gaskets with a proprietary rubber coating to draw heat away from the combustion chamber and dissipate it evenly across the gasket surface, reducing hot spots and preventing gasket failure under demanding conditions.\u003c\/p\u003e\n\u003cp\u003eThis top‑end kit is a complete rebuild package from the cylinder base upward. It includes all necessary gaskets, seals, and O‑rings to restore the sealing system around the entire top end, streamlining installation and minimizing downtime. Built for durability, the gaskets are designed to resist high temperatures and pressure, helping maintain consistent compression and preventing leaks during prolonged, high‑RPM sessions.\u003c\/p\u003e\n\u003cp\u003eKey benefits you’ll notice with the C3429-EST kit include a more consistent seal under heat cycling, improved heat management of the combustion face, and a robust, long‑lasting fit that stands up to persistent sport and off‑road use. It’s a specialized solution for professionals and DIY enthusiasts who demand dependable performance, precision fit, and straightforward top‑end restoration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEmbossed stainless steel head, base, and rocker gaskets with a rubber coating\u003c\/li\u003e\n\u003cli\u003e90mm bore compatibility for KTM 350 SX‑F applications\u003c\/li\u003e\n\u003cli\u003eIncludes gaskets, seals, and O‑rings needed from cylinder base upward\u003c\/li\u003e\n\u003cli\u003eDesigned for high‑performance engines to maintain compression and prevent leaks\u003c\/li\u003e\n\u003c\/ul\u003eEST (Extreme Sealing Technology) gasket kits include embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber material\u003cbr\u003e\u003cbr\u003eHead gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failure\u003cbr\u003e\u003cbr\u003eSets contain all the necessary gaskets, seals and O-rings to rebuild the top end from the cylinder base upward\n\u003cp\u003eThe Cometic Top End Gasket Kit C3429-EST is designed to provide a reliable seal for your engine's top end components, ensuring optimal performance and durability. Crafted with precision, this gasket kit is suitable for various high-performance applications where a dependable seal is essential for maintaining compression and preventing leaks. The kit includes all necessary gaskets to facilitate a comprehensive rebuild or repair, simplifying installation and reducing downtime. Engineered with quality materials, the Cometic C3429-EST gasket kit offers excellent heat resistance and long-lasting performance under demanding conditions. Whether you're restoring an engine or enhancing its performance, this gasket kit is an ideal choice for professional mechanics and DIY enthusiasts alike.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eDesigned for high-performance engine applications to ensure a reliable seal\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes all necessary gaskets for a comprehensive top end rebuild\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eConstructed with durable materials for excellent heat and pressure resistance\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"COMETIC","offers":[{"title":"Default Title","offer_id":44637825728554,"sku":"912463","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/LGF37790C3-882B-416C-B8C1-DAE32825D8A3.jpg?v=1785436493","url":"https:\/\/atticusgoods.com\/products\/cometic-top-end-gasket-kit-c3429-est-for-high-performance-engines","provider":"Atticus Goods","version":"1.0","type":"link"}