{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5645d288e19c","name":"PISTON KIT 05-20 YZ125 54.00 A, NAMURA NX-40009 YAMAHA","sku":"56-W845.A.NT","brand":"Namura Technologies","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":56.18,"formatted":"£56.18"},"summary":"Namura Piston Kit NX-40009, 54.00mm bore size A. High-performance piston engineered in the USA, manufactured in Taiwan using high-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing. Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower, and fuel economy. Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures. MOS2 Teflon/Molybdenum coated skirts reduce friction and heat for added power and longevity. Rings match OEM design. Part number 56-W845.A.NT. Cross reference numbers: 1C3-11631-03-D0, 1C3-11631-03-C0, 1C3-11631-03-A0, 1C3-11631-03-B0, 5NY-11611-00-00, 1C3-11633-00-00, 93450-16068-00, Wossner 8160DA, NX-40009.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00mm"},{"label":"Variant Id","value":"258013"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W845_2EA_2ENT/e45e901f488892dc.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W845_2EA_2ENT/e45e901f488892dc.jpg"],"description":"Namura Piston Kit NX-40009, 54.00mm bore size A. High-performance piston engineered in the USA, manufactured in Taiwan using high-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing. Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower, and fuel economy. Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures. MOS2 Teflon/Molybdenum coated skirts reduce friction and heat for added power and longevity. Rings match OEM design. Part number 56-W845.A.NT. Cross reference numbers: 1C3-11631-03-D0, 1C3-11631-03-C0, 1C3-11631-03-A0, 1C3-11631-03-B0, 5NY-11611-00-00, 1C3-11633-00-00, 93450-16068-00, Wossner 8160DA, NX-40009.","descriptionMarkdown":"### Namura Piston Kit A\n\nEnhance your motorcycle's performance and longevity with this high-performance Namura Piston Kit. Engineered in the USA and manufactured in Taiwan, this piston assembly features a 54mm bore for a precise fit.\n\n**Key Features:**\n\n \n- Material: Constructed from high-silicon content hypereutectic cast aluminum, designed for reduced heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing.\n \n- Piston Crown: Features a machined, smooth piston crown to minimize carbon buildup, leading to increased horsepower and improved fuel economy.\n \n- Hard Anodized Crowns: Offers 75% greater strength than non-anodized crowns, providing minimal expansion and reducing the risk of cold seizures when paired with Teflon/Molybdenum coated skirts.\n \n- Coated Skirts: MOS2 (Teflon/Molybdenum) coated skirts ensure peak performance by reducing friction and heat, contributing to added power and extended longevity.\n \n- Ring Design: Namura rings are designed to match OEM specifications.\n\nThis Namura Piston Kit is a direct replacement designed to meet or exceed original equipment standards for optimal performance and durability.","weightGrams":null,"fitments":[{"make":"FANTIC","model":"XE 125","cc":null,"notes":null,"years":"2021–2022"},{"make":"FANTIC","model":"XX 125","cc":null,"notes":null,"years":"2021"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"2004–2021"},{"make":"YAMAHA","model":"YZ 125X","cc":null,"notes":null,"years":"2020–2022"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-05-20-yz125-5400-a-namura-nx-40009-yamaha","buyOneNow":null,"basketWithThis":null}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}