{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"e8e4fd686fd6","name":"PISTON 94-00 POLARIS 300 75.00, NAMURA NA-50003-2 KIT ATV","sku":"56-W164_050.NT","brand":"Namura Technologies","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":83.52,"formatted":"£83.52"},"summary":"Namura Piston Assembly - NA-50003-2. 75.00mm Bore. High-performance Namura pistons are engineered in the USA and manufactured in Taiwan. Made from high-silicon content hypereutectic cast aluminum 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 when combined with Teflon/Molybdenum coated skirts. MOS2 (Teflon/Molybdenum) coated skirts reduce friction and heat for added power and longevity. Namura rings match the OEM design. Fractional oversize pistons are available for some applications. Weight: 430 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"75mm"},{"label":"Variant Id","value":"254796"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W164_5F050_2ENT/c80580f4bd823534.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W164_5F050_2ENT/c80580f4bd823534.jpg"],"description":"Namura Piston Assembly - NA-50003-2. 75.00mm Bore. High-performance Namura pistons are engineered in the USA and manufactured in Taiwan. Made from high-silicon content hypereutectic cast aluminum 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 when combined with Teflon/Molybdenum coated skirts. MOS2 (Teflon/Molybdenum) coated skirts reduce friction and heat for added power and longevity. Namura rings match the OEM design. Fractional oversize pistons are available for some applications. Weight: 430 grams.","descriptionMarkdown":"### Namura Piston Assembly - 75.00mm Bore\n\nThis high-performance Namura piston assembly is engineered in the USA and manufactured in Taiwan. Designed for durability and enhanced performance, this piston features a 75.00mm bore and is constructed from high-silicon content Hypereutectic cast aluminum. This advanced material offers reduced heat expansion, tighter clearances, increased hardness, and longer life, while also minimizing scuffing.\n\nThe piston boasts machined, smooth piston crowns engineered to reduce carbon buildup, ultimately contributing to increased horsepower and improved fuel economy. For even greater strength and resilience, the hard anodized crowns are 75% stronger than non-anodized versions, providing minimal expansion and significantly reducing the risk of cold seizures when paired with the Teflon/Molybdenum coated skirts.\n\nThe MOS2 (Teflon/Molybdenum) coated skirts are designed to perform at the highest standards, effectively reducing friction and heat for enhanced power output and extended longevity. Namura rings are designed to match OEM specifications, ensuring seamless integration and optimal performance.\n\n**Key Features:**\n\n \n- 75.00mm Bore Piston Assembly\n \n- High-silicon content Hypereutectic cast aluminum construction\n \n- Reduced heat expansion and improved hardness\n \n- Machined, smooth piston crowns for optimal airflow and reduced carbon buildup\n \n- Hard anodized crowns for superior strength and minimal expansion\n \n- Teflon/Molybdenum (MOS2) coated skirts for reduced friction and heat\n \n- Engineered in the USA, manufactured in Taiwan","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-94-00-polaris-300-7500-namura-na-50003-2-kit-atv","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/e8e4fd686fd6:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/e8e4fd686fd6:1"}},"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."]}}