{"product_id":"mgt1-pwb-52346-1125788002","title":"Beta RR 390 4 T Race [2025-2026] - WÖSSNER forged piston kit","description":"\u003ch2\u003eWÖSSNER forged piston kit for Beta RR 390 4 T Race\u003c\/h2\u003e\u003cp\u003eThe WÖSSNER forged piston kit is designed for the Beta RR 390 4 T Race built in 2025-2026. It bundles the components intended for piston use and offers a clearly defined selection for renewal in the upper engine area.\u003c\/p\u003e\u003ch3\u003eFunction and execution\u003c\/h3\u003e\u003cp\u003eThe piston is made of aluminum and is forged. The standard piston compression and compression ratio of 12.7:1 correspond to the specified configuration. With the designated 4T insert, the kit is tailored to the four-stroke engine mentioned.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged aluminum piston\u003c\/li\u003e\n\u003cli\u003eStandard piston compression\u003c\/li\u003e\n\u003cli\u003ePiston diameter: 87.97 mm\u003c\/li\u003e\n\u003cli\u003eOversize letter: B\u003c\/li\u003e\n\u003cli\u003eOversize: +0.01\u003c\/li\u003e\n\u003cli\u003eBore diameter: 88.01mm\u003c\/li\u003e\n\u003cli\u003ePiston ring set as a set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKit contents\u003c\/h3\u003e\u003cp\u003eThe kit includes the piston, piston rings, piston pins and safety clips. This means that the piston components included in the product scope are included in a common compilation.\u003c\/p\u003e\u003ch3\u003eVehicle assignment\u003c\/h3\u003e\u003cp\u003eThe kit is the \u003cstrong\u003eBeta RR 390 4T Race\u003c\/strong\u003e in the full year range \u003cstrong\u003e2025–2026\u003c\/strong\u003e assigned. The selection should be based on this model and year of manufacture.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: WOSSNER\u003c\/li\u003e\n\u003cli\u003ePiston type: forged\u003c\/li\u003e\n\u003cli\u003eMaterial: aluminum\u003c\/li\u003e\n\u003cli\u003eCompression ratio: 12.7:1\u003c\/li\u003e\n\u003cli\u003eDisplacement configuration: 4T\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PWB","offers":[{"title":"Default Title","offer_id":57268583661894,"sku":"MGT1-PWB-52346-1125788002","price":231.26,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/1125788002-1_cc75df07-e2e3-4bb4-86dd-daf5133119cb.jpg?v=1788582537","url":"https:\/\/motorize.ch\/en\/products\/beta-rr-390-4-t-race-2025-2026-wossner-forged-piston-kit-1","provider":"Motorize","version":"1.0","type":"link"}