{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fc3950569fd3","name":"PISTON KIT 98-99 YZF400 92.00, FORGED WOSSNER 8603DB","sku":"56-W4649.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":208.24,"formatted":"£208.24"},"summary":"Wossner 92.01mm Bore Piston Kit (Part No. 8603DB). High-strength forged piston construction with optimized heat transfer for improved combustion efficiency. Features an elliptical design for even thrust load distribution and reduced localized pressure to prevent piston collapse. Manufactured in Germany. Maintains OEM compression ratio of 11.0:1. Specifications: Actual Bore Diameter 91.96mm, Displacement 290cc, Stroke 61.20mm, Clearance 0.06mm, Dome Volume -4.80cm³, Compression Height 23.00mm. Cross-reference OEM part numbers: Lock P/N CW18, Pin P/N WP053, Ring Set P/N 920XSY.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"92mm"},{"label":"Variant Id","value":"255810"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4649_2EB_2EWO/f29d906b7feee53a.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4649_2EB_2EWO/f29d906b7feee53a.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4649_2EB_2EWO/7a5583a39c9c1e22.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4649_2EB_2EWO/5dfd43436ca9e299.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4649_2EB_2EWO/dc4558481ece8a9c.jpg"],"description":"Wossner 92.01mm Bore Piston Kit (Part No. 8603DB). High-strength forged piston construction with optimized heat transfer for improved combustion efficiency. Features an elliptical design for even thrust load distribution and reduced localized pressure to prevent piston collapse. Manufactured in Germany. Maintains OEM compression ratio of 11.0:1. Specifications: Actual Bore Diameter 91.96mm, Displacement 290cc, Stroke 61.20mm, Clearance 0.06mm, Dome Volume -4.80cm³, Compression Height 23.00mm. Cross-reference OEM part numbers: Lock P/N CW18, Pin P/N WP053, Ring Set P/N 920XSY.","descriptionMarkdown":"### Wossner 92.01mm Bore Piston Kit - Forged Performance\n\nEnhance the performance and durability of your motorcycle with the Wossner 92.01mm Bore Piston Kit. This high-performance forged piston is engineered for superior strength, improved heat transfer, and optimized load distribution within the combustion chamber.\n\n#### Key Features\n\n\t\n- High-Strength Forged Construction: Built for exceptional durability and resistance to high stress.\n\t\n- Optimized Heat Transfer: Promotes efficient combustion by managing heat effectively.\n\t\n- Elliptical Design: Ensures even thrust load distribution, preventing localized pressure and potential piston collapse.\n\t\n- German Engineering: Manufactured in Germany to exacting standards.\n\t\n- OEM Compression Ratio: Maintains the original compression ratio for reliable engine operation.\n\n#### Specifications\n\n\t\n- Bore Size: 92.01mm\n\t\n- Actual Bore Diameter: 91.96mm\n\t\n- Compression Ratio: OEM (11.0:1)\n\t\n- Displacement: 290cc\n\t\n- Stroke: 61.20mm\n\t\n- Clearance: 0.06mm\n\t\n- Dome Volume: -4.80cm&sup3;\n\t\n- Compression Height: 23.00mm\n\n#### Included Components\n\n\t\n- Lock Piston Pin Clip: CW18\n\t\n- Piston Pin: WP053\n\t\n- Ring Set: 920XSY","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 400F","cc":null,"notes":null,"years":"1998–2000"},{"make":"YAMAHA","model":"WRF 400","cc":null,"notes":null,"years":"1998–2000"},{"make":"YAMAHA","model":"YZ 400F","cc":null,"notes":null,"years":"1998–1999"},{"make":"YAMAHA","model":"YZF 400","cc":null,"notes":null,"years":"1998–2000"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"1998–1999"}],"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-98-99-yzf400-9200-forged-wossner-8603db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fc3950569fd3:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fc3950569fd3:1"}},"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."]}}