{"product_id":"athena-490cc-big-bore-cylinder-kit-performance-upgrade","title":"Athena 490cc Big Bore Cylinder Kit - Performance Upgrade","description":"\u003cp\u003eUnleash the full potential of your 4-stroke engine with the Athena 490cc Big Bore Cylinder Kit. This kit is engineered for maximum performance and durability, providing a significant power boost for racing applications. Experience improved throttle response and overall engine efficiency with this premium upgrade.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Athena 490cc Big Bore Cylinder Kit features an aluminum cylinder with a nickel-carbide coating, ensuring superior heat dissipation and wear resistance. The cylinder is designed with larger water jackets to maintain optimal engine temperature under extreme conditions. The included forged piston boasts a molybdenum coating, reducing friction and enhancing longevity. Specially designed, high-performance, hard-anodized power valves are included to optimize gas flow and maximize power output. Elevate your engine's capabilities and dominate the track with this high-quality cylinder kit.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eExperience a significant power increase with the 490cc big bore design.\u003c\/li\u003e\n  \u003cli\u003eBenefit from enhanced cooling thanks to the aluminum cylinder with larger water jackets.\u003c\/li\u003e\n  \u003cli\u003eEnjoy superior wear resistance with the nickel-carbide cylinder coating.\u003c\/li\u003e\n  \u003cli\u003eReduce friction and extend piston life with the molybdenum-coated forged piston.\u003c\/li\u003e\n  \u003cli\u003eOptimize gas flow and power output with the specially designed, hard-anodized power valves.\u003c\/li\u003e\n  \u003cli\u003eIncrease engine displacement for improved performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Athena\u003c\/li\u003e\n  \u003cli\u003eProduct Name: Cylinder Kit\u003c\/li\u003e\n  \u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n  \u003cli\u003eDisplacement: 490cc\u003c\/li\u003e\n  \u003cli\u003eBore Size: 100.00 mm\u003c\/li\u003e\n  \u003cli\u003eCompression Ratio: 13.1:1\u003c\/li\u003e\n  \u003cli\u003eCylinder Bore Coating: Nickel-Carbide\u003c\/li\u003e\n  \u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n  \u003cli\u003eBase Color: Silver\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant to know\u003c\/h2\u003e\n\u003cp\u003ePlease note that this kit does not include a cylinder head. The included power valves are specially designed and the OEM power valves cannot be used.\u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":53639361823050,"sku":"09310116","price":773.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/73cf5ba4260fb438e1247981ec036388.webp?v=1766352320","url":"https:\/\/partsdenmark.com\/products\/athena-490cc-big-bore-cylinder-kit-performance-upgrade","provider":"Parts Denmark","version":"1.0","type":"link"}