{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fe2831cc3ac9","name":"PISTON KIT 39.50mm 08-13 POLARIS 50, NAMURA NA-50015-2 ATV QUAD, Polaris 50 OUTLAW 2008-2019, 50 PREDATOR 2007, YAMAHA YFZ50 2017-21","sku":"56-W837.050.NT","brand":"Namura Technologies","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":5,"price":{"amount":58.86,"formatted":"£58.86"},"summary":"The Namura piston kit is a standard bore replacement kit featuring a 39.50mm bore and 38.48mm piston diameter. This cast piston kit includes all necessary components for installation: piston, rings, pin, and clips. The piston is manufactured with a high-silicone content for improved strength. The piston dome is anodised for heat resistance, while the Molybdenium Teflon-coated skirts reduce friction and extend service life. Part Number: 56-W837.050.NT. Namura NA-50015-2. Piston Diameter: 38.48 mm. Bore Size: 39.50 mm.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"50.00mm"},{"label":"Variant Id","value":"257973"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W837_2E050_2ENT/ad6a8db7248aec5a.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W837_2E050_2ENT/ad6a8db7248aec5a.jpg"],"description":"The Namura piston kit is a standard bore replacement kit featuring a 39.50mm bore and 38.48mm piston diameter. This cast piston kit includes all necessary components for installation: piston, rings, pin, and clips. The piston is manufactured with a high-silicone content for improved strength. The piston dome is anodised for heat resistance, while the Molybdenium Teflon-coated skirts reduce friction and extend service life. Part Number: 56-W837.050.NT. Namura NA-50015-2. Piston Diameter: 38.48 mm. Bore Size: 39.50 mm.","descriptionMarkdown":"### Namura Piston Kit 39.50mm Standard Bore\n\n This standard bore replacement piston kit is engineered by Namura for select 50cc Polaris and Yamaha models. It features a 39.50mm bore size and a 38.48mm piston diameter, ensuring a precise fit for optimal performance.\n\n#### Key Features:\n\n \n- High-silicone-content cast piston for superior strength and durability.\n \n- Molybdenium Teflon-coated piston skirts reduce friction and significantly extend service life.\n \n- Anodised piston dome enhances heat resistance, crucial for demanding operating conditions.\n \n- Complete kit includes all necessary components for installation: piston, rings, pin, and clips.\n \n- Designed for a standard bore size of 39.50 mm.\n \n- Piston diameter measures 38.48 mm.\n \n- Manufactured by Namura Technologies for quality assurance.\n\n#### Specifications:\n\n \n- Bore Size: 39.50 mm\n \n- Piston Diameter: 38.48 mm","weightGrams":null,"fitments":[{"make":"POLARIS","model":"OUTLAW 50","cc":null,"notes":null,"years":"2008–2019"},{"make":"POLARIS","model":"PREDATOR 50","cc":null,"notes":null,"years":"2007"}],"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-3950mm-08-13-polaris-50-namura-na-50015-2-atv-quad-polaris-50-outlaw-","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fe2831cc3ac9:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fe2831cc3ac9:1"}},"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."]}}