{"product_id":"mgt1-pwb-60021-1155503002","title":"Beta RR 390 4 T X-PRO [2025-2026] - Complete Top End Kit - Replica forged pistons","description":"\u003ch2\u003eVERTEX Top End Kit with forged piston for Beta RR 390 4 T X-PRO\u003c\/h2\u003e\u003cp\u003eThe VERTEX complete kit for the upper engine area supports the engine overhaul of the Beta RR 390 4 T X-PRO. It brings together the relevant components for replacing pistons, piston rings and seals in the upper engine area. With this four-stroke version, a timing chain is also included in the kit.\u003c\/p\u003e\u003ch3\u003eFunction and execution\u003c\/h3\u003e\u003cp\u003eThe forged aluminum piston is designed for standard piston compression. With a diameter of 87.97mm, the oversize letter B and an oversize of +0.01, the kit is specified for a bore diameter of 88.00mm. The version is intended for 4T engines.\u003c\/p\u003e\u003ch3\u003eScope of delivery\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForged aluminum piston\u003c\/li\u003e\n\u003cli\u003ePiston rings in a set\u003c\/li\u003e\n\u003cli\u003ePiston pin\u003c\/li\u003e\n\u003cli\u003esafety clips\u003c\/li\u003e\n\u003cli\u003eTop end gasket kit\u003c\/li\u003e\n\u003cli\u003eTiming chain for the four-stroke version\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle assignment\u003c\/h3\u003e\u003cp\u003eThe top end kit is assigned to the Beta RR 390 4 T X-PRO built in 2025-2026.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: VERTEX\u003c\/li\u003e\n\u003cli\u003ePiston Type: Forged\u003c\/li\u003e\n\u003cli\u003eMaterial: aluminum\u003c\/li\u003e\n\u003cli\u003ePiston compression: standard\u003c\/li\u003e\n\u003cli\u003eDiameter Ø: 87.97 mm\u003c\/li\u003e\n\u003cli\u003eLetter oversize: B\u003c\/li\u003e\n\u003cli\u003eOversize: +0.01\u003c\/li\u003e\n\u003cli\u003eBore diameter: 88.00 mm\u003c\/li\u003e\n\u003cli\u003eDisplacement\/engine version: 4T\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PWB","offers":[{"title":"Default Title","offer_id":57275814969670,"sku":"MGT1-PWB-60021-1155503002","price":452.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/1155503002-1_beb0e8da-2b37-4e6b-bb6c-e5048a0da2f3.jpg?v=1788669337","url":"https:\/\/motorize-shop.com\/products\/beta-rr-390-4-t-x-pro-2025-2026-complete-top-end-kit-replica-forged-pistons","provider":"Motorize","version":"1.0","type":"link"}