{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1ac1cbec7bbd","name":"PISTON KIT 81-12 PW50 41.50, NAMURA NX-40005-6 YAMAHA","sku":"56-W938+150.NT","brand":"Namura Technologies","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":8,"price":{"amount":47.03,"formatted":"£47.03"},"summary":"Namura Piston Assembly - 41.50mm Bore - NX-40005-6. This piston assembly is made to exact OEM specifications and is a direct replacement for OEM pistons with no modifications or dimensional adjustments needed. Namura pistons feature MOS2 (Molybdenum/Teflon) skirt coatings, high-silicon aluminum, and anodized domes. Piston kits include individually wrapped pistons, OEM quality rings packed in their own box, wrist pins, and circlips. Namura rings are made by Riken, the world's largest OEM manufacturer, and are the same OEM rings used on more motorcycles and ATVs than any other brand. A, B, and C pistons are available to help extend the life of Nikasil, SCEM, Boron Composite, and Ceramic Cylinders.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"41.50mm"},{"label":"Variant Id","value":"258291"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W938_2B150_2ENT/60b3495bf0965f2f.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W938_2B150_2ENT/60b3495bf0965f2f.jpg"],"description":"Namura Piston Assembly - 41.50mm Bore - NX-40005-6. This piston assembly is made to exact OEM specifications and is a direct replacement for OEM pistons with no modifications or dimensional adjustments needed. Namura pistons feature MOS2 (Molybdenum/Teflon) skirt coatings, high-silicon aluminum, and anodized domes. Piston kits include individually wrapped pistons, OEM quality rings packed in their own box, wrist pins, and circlips. Namura rings are made by Riken, the world's largest OEM manufacturer, and are the same OEM rings used on more motorcycles and ATVs than any other brand. A, B, and C pistons are available to help extend the life of Nikasil, SCEM, Boron Composite, and Ceramic Cylinders.","descriptionMarkdown":"### Namura Piston Kit - 41.50mm Bore\n\nThis Namura Piston Kit is designed to be a direct replacement for your original piston, manufactured to exact OEM specifications. No modifications or dimensional adjustments are necessary for installation.\n\nNamura pistons feature:\n\n \n- MOS2 (Molybdenum/Teflon) Skirt Coatings: Reduces friction for smoother operation and increased longevity.\n \n- High-Silicon Aluminum Construction: Provides excellent durability and heat dissipation.\n \n- Anodized Domes: Enhances resistance to heat and wear.\n\nEach piston kit includes:\n\n \n- Individually wrapped piston\n \n- OEM quality piston rings, packed separately\n \n- Wrist pin\n \n- Circlips\n\nThe included Namura piston rings are manufactured by Riken, the world's largest OEM manufacturer. These are the same OEM quality rings used on a wide variety of motorcycles and ATVs.\n\nAvailable in A, B, and C sizes (sold separately), these pistons can help extend the life of expensive Nikasil, SCEM, Boron Composite, and Ceramic cylinders.","weightGrams":null,"fitments":[],"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-81-12-pw50-4150-namura-nx-40005-6-yamaha","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1ac1cbec7bbd:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1ac1cbec7bbd: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."]}}