{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9e068e17bf51","name":"PISTON KIT 0-09 KTM520/525 100, WOSSNER 8583DB FORGED","sku":"56-W024+00B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":220.73,"formatted":"£220.73"},"summary":"Wossner forged piston kit featuring superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features forged construction for enhanced durability, optimized heat transfer for improved performance, and an elliptical design that prevents localized pressure and piston collapse. This kit has an OEM compression ratio for direct replacement. Specifications: Bore: 99.97 mm, Piston Size: 100.01 mm, Displacement: 449 cm&sup3;, Stroke: 68.00 mm, Clearance: 0.05 mm, Wossner Compression Ratio: OEM, OEM Compression Ratio: 12.00:1, Dome Volume: +0.80 cm&sup3;, Compression Height: 24.50 mm. Cross-Reference OEM Part Numbers: Lock: CW20, Pin: WP038, Ring Set: 1000ADS-2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"254298"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W024_2B00B_2EWO/adcb9702164774e6.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W024_2B00B_2EWO/adcb9702164774e6.jpg"],"description":"Wossner forged piston kit featuring superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features forged construction for enhanced durability, optimized heat transfer for improved performance, and an elliptical design that prevents localized pressure and piston collapse. This kit has an OEM compression ratio for direct replacement. Specifications: Bore: 99.97 mm, Piston Size: 100.01 mm, Displacement: 449 cm&sup3;, Stroke: 68.00 mm, Clearance: 0.05 mm, Wossner Compression Ratio: OEM, OEM Compression Ratio: 12.00:1, Dome Volume: +0.80 cm&sup3;, Compression Height: 24.50 mm. Cross-Reference OEM Part Numbers: Lock: CW20, Pin: WP038, Ring Set: 1000ADS-2.","descriptionMarkdown":"### Wossner Forged Piston Kit for KTM 520/525 (0-09) 100mm\n\nEnhance your motorcycle's performance and durability with this premium Wossner forged piston kit. Engineered in Germany, this piston is designed for superior strength and optimal heat transfer, ensuring reliable operation under demanding conditions. The advanced elliptical design actively prevents localized pressure and piston collapse by distributing thrust loads evenly, even under extreme heat expansion. This results in a more uniform bearing surface and extended component life.\n\n**Key Features:**\n\n\t\n- Forged construction for exceptional strength and longevity.\n\t\n- Engineered for optimized heat transfer from the combustion chamber to cylinder walls.\n\t\n- Elliptical design ensures uniform bearing surface and prevents piston collapse.\n\t\n- Distributes thrust loads evenly for reduced wear and improved reliability.\n\t\n- Maintains OEM compression ratio for a direct replacement fit.\n\n**Specifications:**\n\n\t\n- Bore: 99.97 mm\n\t\n- Piston Size: 100.01 mm\n\t\n- Displacement: 449 cm&sup3;\n\t\n- Stroke: 68.00 mm\n\t\n- Clearance: 0.05 mm\n\t\n- Wossner Compression Ratio: OEM\n\t\n- OEM Compression Ratio: 12.00:1\n\t\n- Dome Volume: +0.80 cm&sup3;\n\t\n- Compression Height: 24.50 mm\n\n**Included Components:**\n\n\t\n- Lock: CW20\n\t\n- Pin: WP038\n\t\n- Ring Set: 1000ADS-2","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-0-09-ktm520525-100-wossner-8583db-forged","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/9e068e17bf51:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/9e068e17bf51:1"}},"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."]}}