{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"566a39ed5311","name":"PISTON KIT ALL 999 DUCATI, WOSSNER K8764DA-2ROAD","sku":"56-W9802.104.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":494.24,"formatted":"£494.24"},"summary":"Wossner piston kit K8764DA-2ROAD features a 104mm bore and is designed as a standard replacement for Ducati 999RS and 1098RS racing models. Forged in Germany, these pistons offer high strength and superior thermal management, ensuring efficient combustion heat transfer. The elliptical design maintains uniform bearing contact during thermal expansion, reducing stress and minimising the risk of piston collapse under racing conditions. Forged construction for enhanced strength and reliability. Designed for optimal heat transfer from combustion to cylinder walls. Elliptical profile for consistent bearing surface during thermal expansion. Even thrust load distribution to prevent piston collapse. Manufactured in Germany. Bore: 104mm (Standard). Display volume: 1099 cm³. Stroke: 58.50mm. Clearance: 0.07mm. Wossner compression ratio: OEM. OEM compression ratio: 12.50:1. Dome volume: -0.20 cm³. Compression height: 26.80mm. Lock Part Number: CW20. Pin Part Number: WP038. Ring Set Part Number: 1040XSU. Cross-Reference OEM Part Numbers: 56-W9802.104.WO, K8764DA-2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"258780"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9802_2E104_2EWO/4d7c18182d2b2423.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9802_2E104_2EWO/4d7c18182d2b2423.jpg"],"description":"Wossner piston kit K8764DA-2ROAD features a 104mm bore and is designed as a standard replacement for Ducati 999RS and 1098RS racing models. Forged in Germany, these pistons offer high strength and superior thermal management, ensuring efficient combustion heat transfer. The elliptical design maintains uniform bearing contact during thermal expansion, reducing stress and minimising the risk of piston collapse under racing conditions. Forged construction for enhanced strength and reliability. Designed for optimal heat transfer from combustion to cylinder walls. Elliptical profile for consistent bearing surface during thermal expansion. Even thrust load distribution to prevent piston collapse. Manufactured in Germany. Bore: 104mm (Standard). Display volume: 1099 cm³. Stroke: 58.50mm. Clearance: 0.07mm. Wossner compression ratio: OEM. OEM compression ratio: 12.50:1. Dome volume: -0.20 cm³. Compression height: 26.80mm. Lock Part Number: CW20. Pin Part Number: WP038. Ring Set Part Number: 1040XSU. Cross-Reference OEM Part Numbers: 56-W9802.104.WO, K8764DA-2.","descriptionMarkdown":"### Wossner Piston Kit for Ducati Racing Motorcycles\n\nThis Wossner piston kit is engineered for high-performance Ducati 999RS and 1098RS racing models, offering a direct standard replacement. Forged in Germany, these pistons are built for exceptional strength and superior thermal management, crucial for efficient combustion heat transfer during demanding race conditions.\n\nThe advanced elliptical design ensures uniform bearing contact, even as the piston expands with heat. This design actively reduces stress on the piston and minimizes the risk of piston collapse, providing enhanced reliability under extreme racing loads.\n\n#### Key Features:\n\n\t\n- Forged construction for superior strength and long-lasting reliability.\n\t\n- Optimized design for efficient heat transfer from combustion to cylinder walls.\n\t\n- Elliptical piston profile maintains a consistent bearing surface during thermal expansion.\n\t\n- Distributes thrust load evenly to prevent catastrophic piston failure.\n\t\n- Expertly manufactured in Germany for precision and quality.\n\n#### Specifications:\n\n\t\n- Bore Size: 104mm (Standard)\n\t\n- Displacement Volume: 1099 cm&sup3;\n\t\n- Stroke: 58.50mm\n\t\n- Piston to Cylinder Clearance: 0.07mm\n\t\n- Wossner Compression Ratio: OEM\n\t\n- OEM Compression Ratio: 12.50:1\n\t\n- Dome Volume: -0.20 cm&sup3;\n\t\n- Compression Height: 26.80mm\n\t\n- Lock Ring Part Number: CW20\n\t\n- Piston Pin Part Number: WP038\n\t\n- Ring Set Part Number: 1040XSU","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-all-999-ducati-wossner-k8764da-2road","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/566a39ed5311:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/566a39ed5311:1"}},"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."]}}