{"product_id":"cylinder-works-cylinder-kit-cylinder-top-gasket-set-vertex-piston-kit-wr250f-yz250f-bigbore-270cc","title":"CYLINDER WORKS CYLINDER KIT CYLINDER TOP GASKET SET \u0026 VERTEX PISTON KIT WR250F YZ250F BIGBORE 270CC","description":"\u003cp\u003eBIG BORE CYLINDER WORKS KIT - PISTON KIT, GASKET KIT \u0026amp; CYLINDER\u003cbr\u003eUnlock your bike's hidden potential with the power producing and durable Cylinder Works Big Bore Kit.\u003cbr\u003eO.E.M. appearance big bore cylinder kit, a hand-matched, forged Vertex big bore piston and top-end gasket kit. These kits offer you an affordable way to increase horsepower and engine displacement without giving your secret away to your competition.\u003cbr\u003eFeatures:\u003cbr\u003eCylinder - New, not remanufactured, cast aluminum nickel silicon carbide (NSC) electroplated big bore cylinder that appears just like an O.E. cylinder. NSC is a composite of a nickel and silicon carbide, providing an excellent wear resistant surface with oil retention capabilities. Cylinders are then diamond honed to the exact bore dimension and proper surface finish to ensure the proper ring seal and oil retention.\u003cbr\u003eVertex Big Bore Piston - To handle the internal pressures of a four-stroke engine, Vertex's big bore four-stroke pistons are forged from the highest quality 2618 aluminum alloy for superior strength and durability. Vertex uses unique piston profiles and compression ratios, offered in A, B, C and D sizes, to maximize power and performance while reducing blow-by and oil consumption. Each Vertex piston is then hand matched to fit each Cylinder Works cylinder perfectly.\u003cbr\u003eGasket Kits - These kits contain the necessary gaskets to rebuild your top end. Kits include head, base, exhaust gaskets, and O-rings necessary when removing the cylinder and head during routine maintenance.\u003cbr\u003eKit includes: Big bore cylinder, Vertex piston, piston rings, piston pin, circlips, gasket kit.\u003cbr\u003eNote: Most kits can be assembled and used with perfectly with standard jetting\/fuel injection. To achieve optimum performance, you can re-jet the carburetor (sold separately) or use a fuel-injection fuel management controller (sold separately).\u003cbr\u003ePicture for illustration only and actual kit may vary to suit model listed.\u003cbr\u003e\u003cbr\u003e+3mm Big Bore Cylinder Kit. 270cc. 13.8:1 Comp. 80mm. Includes (Cylinder, Piston Kit, \u0026amp; Top-End Gasket Kit)\u003cbr\u003eYamaha WR250F 20-21 YZ250F19-20\u003c\/p\u003e","brand":"VERTEX","offers":[{"title":"CYLINDER WORKS CYLINDER KIT CYLINDER TOP GASKET SET \u0026 VERTEX PISTON KIT WR250F YZ250F BIGBORE 270CC","offer_id":43224332861653,"sku":"21013-K01","price":1334.95,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/4423\/1879\/files\/21013-K01.jpg?v=1739832598","url":"https:\/\/cycletreads.co.nz\/products\/cylinder-works-cylinder-kit-cylinder-top-gasket-set-vertex-piston-kit-wr250f-yz250f-bigbore-270cc","provider":"Cycletreads","version":"1.0","type":"link"}