{"product_id":"cylinder-works-big-bore-kit-98mm-yamaha-yfz450r-2009-2025","title":"Cylinder Works Big Bore Cylinder Kit 98mm +3.0 12.0:1 2009-2025 Yamaha YFZ450R","description":"\u003cul\u003e\n\u003cli\u003e✓ Fits: Yamaha YFZ450R (2009-2025), Yamaha YFZ450R SE (2009-2025), Yamaha YFZ450X (2010-2011)\u003c\/li\u003e\n\u003cli\u003e✓ Features: Cylinder Works big bore cylinder kit increases displacement to 98mm +3.0mm oversize at 12.0:1 compression ratio for a significant power boost on your YFZ450R | Nickel silicon carbide plated cylinder bore for superior wear resistance and longer service life than stock | Matched with Vertex pistons to ensure longevity, optimized performance, and reduced engine noise | Complete kit -- includes cylinder, piston kit, and full top end gasket set so you have everything needed in one box | Cylinder looks just like stock for a clean OEM appearance with big bore performance | No machine work needed -- bolt-on installation | Top end gasket kit does not include valve stem seals | Replacement piston, gaskets, and ring sets available separately for future rebuilds\u003c\/li\u003e\n\u003cli\u003e✓ What's Included: Big bore cylinder, Vertex piston kit, top end gasket set\u003c\/li\u003e\n\u003cli\u003eShips fast from DuneGoonShop!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":48612591436001,"sku":"422-21003K2","price":1261.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/9e86-5a58f74cb774b.jpg?v=1782942453","url":"https:\/\/dunegoonshop.com\/en-ca\/products\/cylinder-works-big-bore-kit-98mm-yamaha-yfz450r-2009-2025","provider":"Dune Goons","version":"1.0","type":"link"}