{"product_id":"athena-big-bore-cylinder-kit-289cc-race-engine-upgrade","title":"Athena Big Bore Cylinder Kit - 289cc Race Engine Upgrade","description":"\u003cp\u003eUnleash the full potential of your 4-stroke engine with the Athena Big Bore Cylinder Kit. This kit provides a significant performance boost, increasing displacement and optimizing engine efficiency. Experience enhanced power and responsiveness across the entire RPM range.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Athena Big Bore Cylinder Kit transforms your engine into a powerhouse. Featuring an aluminum cylinder with a nickel-carbide coating, this kit ensures optimal heat dissipation thanks to its enlarged water jackets. The kit includes specially designed, high-performance, hard-anodized power valves that deliver superior flow and combustion. A forged piston with a molybdenum coating maximizes durability and reduces friction. This 289cc cylinder kit, with its 85.00mm bore size and 13.7:1 compression ratio, is engineered for race-level performance and reliability. Upgrade your engine with the Athena Cylinder Kit for a noticeable increase in horsepower and torque.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eExperience a substantial power increase with the 289cc displacement.\u003c\/li\u003e\n  \u003cli\u003eEnhanced cooling thanks to the aluminum cylinder with nickel-carbide coating and larger water jackets.\u003c\/li\u003e\n  \u003cli\u003eImproved flow and combustion with specially designed, high-performance, hard-anodized power valves.\u003c\/li\u003e\n  \u003cli\u003eIncreased durability and reduced friction with the forged piston and molybdenum coating.\u003c\/li\u003e\n  \u003cli\u003eOptimized 13.7:1 compression ratio for maximum performance.\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for easy installation.\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\u003ePart Number: P400210100067\u003c\/li\u003e\n  \u003cli\u003eBase Color: Silver\u003c\/li\u003e\n  \u003cli\u003eBore Size: 85.00 mm\u003c\/li\u003e\n  \u003cli\u003eCompression Ratio: 13.7:1\u003c\/li\u003e\n  \u003cli\u003eCylinder Bore Coating: Nickel-Carbide\u003c\/li\u003e\n  \u003cli\u003eDisplacement: 289 cc\u003c\/li\u003e\n  \u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n  \u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n  \u003cli\u003eProduct Name: Cylinder Kit\u003c\/li\u003e\n  \u003cli\u003eUnits: Kit\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 specifically designed for this kit and are not compatible with OEM power valves. Verify compatibility with your specific engine model before installation.\u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":53639138771274,"sku":"09310956","price":728.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/601555110fbc81c1bd31385e9357ee7c.webp?v=1766348697","url":"https:\/\/partsdenmark.com\/products\/athena-big-bore-cylinder-kit-289cc-race-engine-upgrade","provider":"Parts Denmark","version":"1.0","type":"link"}