{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"55134e94c549","name":"PISTON KIT 0-09 KTM520/525 100, WOSSNER 8583DC FORGED","sku":"56-W024+00C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":220.73,"formatted":"£220.73"},"summary":"Wossner forged piston kit designed for superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures 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. OEM compression ratio for direct replacement. Specifications include a bore of 99.97 mm, piston size of 100.02 mm, displacement of 449 cm&sup3;, stroke of 68.00 mm, clearance of 0.05 mm, Wossner compression ratio of OEM, OEM compression ratio of 12.00:1, dome volume of +0.80 cm&sup3;, and compression height of 24.50 mm. Cross-reference OEM part numbers include Lock: CW20, Pin: WP038, and Ring Set: 1000ADS-2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"254299"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W024_2B00C_2EWO/c0c1a395be661cac.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W024_2B00C_2EWO/c0c1a395be661cac.jpg"],"description":"Wossner forged piston kit designed for superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures 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. OEM compression ratio for direct replacement. Specifications include a bore of 99.97 mm, piston size of 100.02 mm, displacement of 449 cm&sup3;, stroke of 68.00 mm, clearance of 0.05 mm, Wossner compression ratio of OEM, OEM compression ratio of 12.00:1, dome volume of +0.80 cm&sup3;, and compression height of 24.50 mm. Cross-reference OEM part numbers include Lock: CW20, Pin: WP038, and Ring Set: 1000ADS-2.","descriptionMarkdown":"### Wossner Forged Piston Kit for KTM 520/525 (100mm Bore)\n\nElevate your motorcycle's performance and durability with the Wossner Forged Piston Kit. Engineered for superior strength and optimized heat transfer, this piston kit is designed to withstand the demands of high-performance riding. The advanced elliptical design ensures uniform bearing surfaces even under extreme heat expansion, effectively reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, Wossner pistons are synonymous with quality and precision.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides exceptional strength and durability for demanding applications.\n\t\n- Optimized Heat Transfer: Enhances performance by efficiently moving heat away from the combustion chamber.\n\t\n- Elliptical Design: Prevents localized pressure buildup and protects against piston collapse by distributing thrust loads evenly.\n\t\n- OEM Compression Ratio: Ensures seamless integration as a direct replacement, maintaining original performance characteristics.\n\n#### Specifications:\n\n\t\n- Bore: 99.97 mm\n\t\n- Piston Size: 100.02 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-8583dc-forged","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/55134e94c549:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/55134e94c549:1"}},"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."]}}