{"product_id":"piston-kit-99-08-trx-xr-89-00-forged-wossner-8702d400-400","title":"PISTON KIT 99-08 TRX XR 89.00, FORGED WOSSNER 8702D400 400","description":"The Wossner 89mm Bore Piston Kit (Part No. 8702D400) is a high-performance forged piston designed for Honda TRX400EX and TRX400X models. Built for superior strength and durability, it enhances heat transfer within the combustion chamber and features an elliptical design for even load distribution, preventing piston collapse. Manufactured in Germany, this piston kit offers a compression ratio of 12.5:1 for improved engine performance.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHigh-strength forged piston construction\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for better combustion efficiency\u003c\/li\u003e\n\t\u003cli\u003eElliptical design for uniform bearing surface expansion\u003c\/li\u003e\n\t\u003cli\u003eManufactured in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 89mm\u003c\/li\u003e\n\t\u003cli\u003eActual Bore Diameter: 88.94mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 12.5:1\u003c\/li\u003e\n\t\u003cli\u003eOEM Compression Ratio: 10.0:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 397cc\u003c\/li\u003e\n\t\u003cli\u003eStroke: 70.00mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.06mm\u003c\/li\u003e\n\t\u003cli\u003eDome Volume: +8.40cm³\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 26.20mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eLock P\/N: CW20\u003c\/li\u003e\n\t\u003cli\u003ePin P\/N: WP052\u003c\/li\u003e\n\t\u003cli\u003eRing Set P\/N: 890XSY\u003c\/li\u003e\n\t\u003cli\u003eRod P\/N: P4021\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHonda TRX400EX (1999-2008)\u003c\/li\u003e\n\t\u003cli\u003eHonda TRX400X (2009-2012)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50697784492298,"sku":"56-W4628_400.WO","price":220.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/stock54738_1.jpg?v=1738346193","url":"https:\/\/store.phoenixmotos.com\/products\/piston-kit-99-08-trx-xr-89-00-forged-wossner-8702d400-400","provider":"Phoenix Motos","version":"1.0","type":"link"}