{"product_id":"je-pistons-forged-piston-kit-for-640cc-engines","title":"Je Pistons Forged Piston Kit for 640cc Engines","description":"\u003cp\u003eElevate your motorcycle's performance with the \u003cstrong\u003eJE Pistons Forged Piston Kit\u003c\/strong\u003e. Designed for extreme applications, this high-quality kit ensures superior durability and power output for serious riders and professional competition.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eJE Pistons Forged Piston Kit\u003c\/strong\u003e is meticulously engineered to deliver uncompromising performance and durability for your 640cc motorcycle engine. Crafted in the USA from premium 2618-T6 high tensile forged aluminum, this piston kit is specifically designed to withstand the rigorous demands of professional competition and extreme riding conditions. Its robust Round Forged Design ensures exceptional strength and longevity. Featuring a precise 101.00 mm bore size, which represents a +4.00 mm oversize, this kit is ideal for engine rebuilds or performance upgrades, helping to achieve optimal 640 cc displacement. The advanced flat top piston head shape incorporates smooth flowing radii, eliminating the need for deburring or preparation during installation, saving you time and ensuring a perfect fit. With a high-performance 10.6:1 compression ratio, this \u003cstrong\u003ehigh-performance motorcycle piston\u003c\/strong\u003e kit optimizes combustion efficiency, translating into significant power gains and improved throttle response. This complete \u003cstrong\u003emotorcycle engine rebuild kit\u003c\/strong\u003e comes with everything needed for a seamless installation, ensuring your engine runs at its peak.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Application Engineering:\u003c\/strong\u003e Specifically designed for professional competition and the most demanding riding conditions, ensuring reliability when it matters most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Forged 2618-T6 Aluminum:\u003c\/strong\u003e Machined from high-tensile 2618-T6 forged aluminum for superior strength, heat resistance, and extended lifespan under stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Piston Head Design:\u003c\/strong\u003e Features a sophisticated flat top piston head with smooth flowing radii, which requires no deburring or preparation, simplifying installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Compression Performance:\u003c\/strong\u003e Achieves an aggressive 10.6:1 compression ratio, boosting horsepower and torque for a noticeable performance upgrade in your 640cc engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Kit:\u003c\/strong\u003e Each kit includes piston(s), wrist pin, circlip, and rings (unless otherwise noted), providing a complete solution for your engine rebuild.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProudly Made in the USA:\u003c\/strong\u003e Manufactured with precision and quality craftsmanship in the United States, guaranteeing a product built to the highest standards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Piston Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e JE Pistons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e JE Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Round Forged Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Material:\u003c\/strong\u003e Forged 2618 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 101.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore - Oversize:\u003c\/strong\u003e +4.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 640 cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.6:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Head Shape:\u003c\/strong\u003e Flat Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnits:\u003c\/strong\u003e Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVendor Part Number:\u003c\/strong\u003e 128996\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Je Pistons","offers":[{"title":"Default Title","offer_id":62381510361418,"sku":"09105832","price":305.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/6e02efe733e338723187f1edc99104ff.webp?v=1781741042","url":"https:\/\/partsdenmark.com\/fr\/products\/je-pistons-forged-piston-kit-for-640cc-engines","provider":"Parts Denmark","version":"1.0","type":"link"}