{"product_id":"ref-56-w9841-a","title":"WOSSNER 90mm PISTON KIT A, GM SPEEDWAY ENGINE","description":"\u003cbody\u003e\n\n\n\n\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ekit 90\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm BORE 89.92\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003eWossner \u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e8811DA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e �\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e \u003cspan style=\"color: #ff0000;\"\u003e(STD)\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e �\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSPEEDWAY\u003c\/strong\u003e\u003cbr\u003eALL,\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin: 0px 0px 0.9em; padding: 0px; line-height: 1.3em; list-style: none; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; margin: 0px 0px 0px 1.2em; padding: 0px; list-style: disc;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W9841.A (oro2u.com)\u003cbr\u003e GM SPEEDWAY 499cc,\u003cbr\u003e WOSSNER PISTON KIT 8811DA 90.00mm BORE [89.92]. Compression Height 22mm.\u003cbr\u003e Cross reference numbers ONLY. \u003cbr\u003ePin P\/N WP174,\u003cbr\u003eRing Set P\/N 900ADS-2,\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 499\u003cbr\u003eHub stroke (mm) 78.50\u003cbr\u003eClearance (mm) 0.08\u003cbr\u003eWossner compression Ratio: \u003cbr\u003eOEM Compression ratio: \u003cbr\u003eDome volume (cm3) +5.60\u003cbr\u003eCompression height (mm) 22.00\u003cbr\u003eTheorectical weight (G)\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMajority of our listings are for a direct replacement for your original part.\u003c\/p\u003e\n\u003cp\u003eOur parts are made of quality and are designed to meet or exceed the original OEM Standards.\u003c\/p\u003e\n\u003cp\u003eOur products are often a cost effective alternative to genuine OEM Parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: \u003c\/strong\u003ethe models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003c\/body\u003e","brand":"AW Motorcycle Parts","offers":[{"title":"Default Title","offer_id":55594958815606,"sku":"REF 56-W9841.A","price":283.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7032\/3318\/files\/stock57831_1.jpg?v=1746760843","url":"https:\/\/n0jgtc-nz.myshopify.com\/products\/ref-56-w9841-a","provider":"AW Motorcycle Parts","version":"1.0","type":"link"}