{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d2091cd08c12","name":"PISTON KIT 40.00mm 08-13 POLARIS 50, NAMURA NA-50015-4 ATV QUAD, Polaris 50 OUTLAW 2008-2019, 50 PREDATOR 2007, YAMAHA YFZ50 2017-21","sku":"56-W837.100.NT","brand":"Namura Technologies","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":6,"price":{"amount":58.86,"formatted":"£58.86"},"summary":"Namura piston kit with 40.00mm standard bore. This cast piston assembly features high silicone content for increased strength, an anodised dome for improved heat resistance and lifespan, and Molybdenium Teflon-coated skirts to minimise resistance and wear. Supplied as a complete kit, it includes piston, rings, pin, and clips. Bore size 40.00 mm, piston diameter 39.98 mm. Part number 56-W837.100.NT. Cross-reference OEM part numbers: Namura NA-50015-4, CLIP-PISTON PIN 0453432, PISTON-PREDATOR 50 0453833, PIN-PISTON, PREDATOR 50 0453832, SET-RING, PISTON, PREDATOR 50 0453834. Manufactured by Namura Technologies. Weight 106 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"50.00mm"},{"label":"Variant Id","value":"257974"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W837_2E100_2ENT/ad6a8db7248aec5a.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W837_2E100_2ENT/ad6a8db7248aec5a.jpg"],"description":"Namura piston kit with 40.00mm standard bore. This cast piston assembly features high silicone content for increased strength, an anodised dome for improved heat resistance and lifespan, and Molybdenium Teflon-coated skirts to minimise resistance and wear. Supplied as a complete kit, it includes piston, rings, pin, and clips. Bore size 40.00 mm, piston diameter 39.98 mm. Part number 56-W837.100.NT. Cross-reference OEM part numbers: Namura NA-50015-4, CLIP-PISTON PIN 0453432, PISTON-PREDATOR 50 0453833, PIN-PISTON, PREDATOR 50 0453832, SET-RING, PISTON, PREDATOR 50 0453834. Manufactured by Namura Technologies. Weight 106 grams.","descriptionMarkdown":"### Namura Piston Kit 40.00mm Standard Bore\n\nEnhance the performance and durability of your 50cc engine with this premium piston kit from Namura. Engineered for a precise 40.00mm standard bore, this kit is designed to meet the demanding needs of Polaris 50cc models and Yamaha YFZ50. The cast piston construction features a high silicone content for exceptional strength and reliability under strenuous operating conditions. Experience improved heat resistance and extended lifespan thanks to the anodised dome, while the Molybdenium Teflon-coated skirts significantly reduce friction and wear, ensuring smoother operation and increased engine efficiency.\n\n**Key Features:**\n\n\t\n- High-quality cast piston with superior strength from high silicone content.\n\t\n- Anodised dome provides enhanced heat resistance for greater durability.\n\t\n- Molybdenium Teflon-coated skirts minimise wear and reduce friction for optimal performance.\n\t\n- Supplied as a complete assembly for straightforward installation, including piston, rings, pin, and clips.\n\t\n- Standard bore size: 40.00 mm.\n\t\n- Piston diameter: 39.98 mm.\n\t\n- Manufactured by Namura Technologies for trusted quality.","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-4000mm-08-13-polaris-50-namura-na-50015-4-atv-quad-polaris-50-outlaw-","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d2091cd08c12:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d2091cd08c12:1"}},"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."]}}