{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"69c862ff13d2","name":"PISTON KIT 02-07 KTM EXC450 89, WOSSNER WOSSNER 8581DB","sku":"56-W178.B","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":207.83,"formatted":"£207.83"},"summary":"Wossner 8581DB Piston Kit with an 89.01mm bore. Features Wossner forged pistons known for superior strength and design, engineered for efficient combustion chamber heat transfer to cylinder walls. The elliptical design provides a more uniform bearing surface under piston heat expansion, preventing collapse. Made in Germany. Includes lock CW20, pin WP038, and ring set 890XSY. Specifications: 449 cm³ displacement, 72.00mm hub stroke, 0.04mm clearance, 11.10:1 compression ratio, +7.10cm³ dome volume, 23.50mm compression height.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"89mm"},{"label":"Variant Id","value":"254866"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W178_2EB/830c4695ebbb931d.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W178_2EB/830c4695ebbb931d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W178_2EB/8d0d2fa7a61562ff.jpg"],"description":"Wossner 8581DB Piston Kit with an 89.01mm bore. Features Wossner forged pistons known for superior strength and design, engineered for efficient combustion chamber heat transfer to cylinder walls. The elliptical design provides a more uniform bearing surface under piston heat expansion, preventing collapse. Made in Germany. Includes lock CW20, pin WP038, and ring set 890XSY. Specifications: 449 cm³ displacement, 72.00mm hub stroke, 0.04mm clearance, 11.10:1 compression ratio, +7.10cm³ dome volume, 23.50mm compression height.","descriptionMarkdown":"### Wossner 8581DB Piston Kit 89.01mm Bore\n\nUpgrade your engine's performance with the Wossner 8581DB Piston Kit. Engineered for superior strength and efficiency, this kit is designed to meet the demands of high-performance engines.\n\n**Key Features:**\n\n\t\n- Wossner forged pistons offer exceptional durability and advanced design.\n\t\n- Optimized for effective heat transfer from the combustion chamber to the cylinder walls, promoting consistent engine temperatures.\n\t\n- Features an elliptical design that provides a more uniform bearing surface under heat expansion, preventing piston collapse and ensuring longevity.\n\t\n- Manufactured to exacting standards in Germany.\n\n**Specifications:**\n\n\t\n- Bore Size: 89.01mm (+0.01mm)\n\t\n- Displacement: 449 cm&sup3;\n\t\n- Stroke: 72.00mm\n\t\n- Piston Clearance: 0.04mm\n\t\n- Compression Ratio: 11.10:1 (OEM Specified)\n\t\n- Dome Volume: +7.10cm&sup3;\n\t\n- Compression Height: 23.50mm\n\n**Included Components:**\n\n\t\n- Piston\n\t\n- Lock: CW20\n\t\n- Pin: WP038\n\t\n- Ring Set: 890XSY","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 450","cc":null,"notes":null,"years":"2005–2009"},{"make":"BETA","model":"RR ENDURO 4T 450","cc":null,"notes":null,"years":"2005–2009"},{"make":"KTM","model":"450 EXC","cc":null,"notes":"1st Filter (Long)","years":"2003–2007"},{"make":"KTM","model":"450 EXC R","cc":null,"notes":null,"years":"2003–2007"},{"make":"KTM","model":"450 EXC Racing","cc":null,"notes":"1st Filter","years":"2003–2007"},{"make":"KTM","model":"450 XC","cc":null,"notes":null,"years":"2008–2009"},{"make":"KTM","model":"450 XC ATV","cc":null,"notes":null,"years":"2008–2009"},{"make":"POLARIS","model":"OUTLAW MXR 450","cc":null,"notes":null,"years":"2008–2011"}],"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-02-07-ktm-exc450-89-wossner-wossner-8581db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/69c862ff13d2:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/69c862ff13d2:1"}},"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."]}}