{"product_id":"piston-kit-xr-xlr-500-90-50-forged-wossner-8642d150","title":"PISTON KIT XR XLR 500 90.50, FORGED WOSSNER 8642D150","description":"\u003cp\u003eWossner forged piston kit with a 90.50mm bore (90.44mm) for Honda XR400, XLS400, XLR500, XLS500, and XR500R models. Designed for superior strength and heat transfer efficiency, this piston ensures optimal combustion performance. The elliptical design distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eForged piston for increased strength and durability\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eOptimized heat transfer for improved performance\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eElliptical design ensures uniform bearing surface under heat expansion\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eEven thrust load distribution to prevent piston collapse\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eManufactured in Germany\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eBore Size: 90.50mm (90.44mm)\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eCompression Ratio: 9.0:1\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003ePart Number: 8642D150\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eLock Part Number: CW21\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003ePin Part Number: WP034\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eRing Set Part Number: 905XSY\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eDisplacement: 449 cm³\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eStroke: 64.00mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eClearance: 0.06mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eOEM Compression Ratio: 8.6:1\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eDome Volume: +0.00 cm³\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eCompression Height: 29.70mm\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eHonda XR400 (1981-1982)\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eHonda XLS400 (1981-1982)\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eHonda XLR500 (1979-1984)\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eHonda XLS500 (1979-1984)\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eHonda XR500R (1979-1982)\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57151078170997,"sku":"56-W310+150","price":244.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5011\/6136\/files\/stock54324_1.jpg?v=1778374075","url":"https:\/\/www.smxoffroad.com\/products\/piston-kit-xr-xlr-500-90-50-forged-wossner-8642d150","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}