{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"564ae9f07586","name":"PISTON KIT 05-08 KX250 66.40 B, NAMURA NX-20029-B","sku":"56-W844.B.NT","brand":"Namura Technologies","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":71.56,"formatted":"£71.56"},"summary":"Namura Piston Kit 66.40mm Bore NX-20029-B. Features high-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing. Machined, smooth piston crowns reduce carbon buildup, increase horsepower, and improve 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. Utilizes state-of-the-art CNC equipment and a low-expansion, low-friction piston alloy. Uses an OEM-style tin coating to assist break-in. Fractional oversize pistons are available for some applications to extend cylinder life. Piston assemblies include ring(s), wrist pin, and circlips. Weight is 342 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.40mm"},{"label":"Variant Id","value":"257999"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W844_2EB_2ENT/4f2b1c88b0b0abb5.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W844_2EB_2ENT/4f2b1c88b0b0abb5.jpg"],"description":"Namura Piston Kit 66.40mm Bore NX-20029-B. Features high-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing. Machined, smooth piston crowns reduce carbon buildup, increase horsepower, and improve 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. Utilizes state-of-the-art CNC equipment and a low-expansion, low-friction piston alloy. Uses an OEM-style tin coating to assist break-in. Fractional oversize pistons are available for some applications to extend cylinder life. Piston assemblies include ring(s), wrist pin, and circlips. Weight is 342 grams.","descriptionMarkdown":"### Namura Piston Kit - 66.40mm Bore\n\nUpgrade your engine with the high-performance Namura Piston Kit, engineered in the USA and manufactured in Taiwan. This piston assembly is designed for optimal performance and longevity.\n\n \n- Material: High-silicon content Hypereutectic cast aluminum alloy for reduced heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing.\n \n- Piston Crown: Machined for reduced carbon buildup, increased horsepower, and improved fuel economy.\n \n- Hard Anodized Crowns: 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures.\n \n- Piston Skirt Coating: MOS2 (Teflon/Molybdenum) coated skirts reduce friction and heat for peak performance.\n \n- Manufacturing: Utilizes state-of-the-art CNC equipment.\n \n- OEM Style Tin Coating: Assists in the break-in process.\n \n- Oversize Options: Available in fractional oversize pistons (.0004 in. and.0008 in.) to extend cylinder life by renewing original clearances.\n \n- Included Components: Piston assembly includes piston rings, wrist pin, and circlips.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250","cc":null,"notes":null,"years":"1993–2009"},{"make":"KTM","model":"250 SX","cc":null,"notes":null,"years":"2003–2016"},{"make":"SUZUKI","model":"RM 250","cc":null,"notes":null,"years":"2003–2010"},{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1999–2021"}],"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-05-08-kx250-6640-b-namura-nx-20029-b","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/564ae9f07586:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/564ae9f07586:1"}},"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."]}}