{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"83a36f10ab69","name":"PISTON 98-00 YZF/WR400F 92 HC, WOSSNER PISTON KIT 8639DC","sku":"56-W199+00C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":6,"price":{"amount":177.2,"formatted":"£177.20"},"summary":"Wossner forged piston kit designed for high compression and performance. Engineered for optimal heat transfer to cylinder walls, ensuring efficient combustion. The elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany to high-quality standards. Features high-compression forged piston for enhanced performance, optimized heat transfer for efficient combustion, and an elliptical design to prevent piston collapse. Manufactured in Germany. Specifications include a bore size of 92.02mm, actual bore diameter of 91.97mm, displacement of 399 cm&sup3;, stroke of 60.10mm, clearance of 0.05mm, Wossner compression ratio of 13.50:1, OEM compression ratio of 12.50:1, dome volume of -4.60 cm&sup3;, compression height of 24.10mm. Included components are lock part number CW18, pin part number WP053, and ring set part number 920XSY. Weight is 422 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"92mm"},{"label":"Variant Id","value":"254961"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00C_2EWO/ec6a05bfae287b9f.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00C_2EWO/ec6a05bfae287b9f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00C_2EWO/582dedb6d155a221.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00C_2EWO/806acfa2372a020e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00C_2EWO/2e386d191625a9af.jpg"],"description":"Wossner forged piston kit designed for high compression and performance. Engineered for optimal heat transfer to cylinder walls, ensuring efficient combustion. The elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany to high-quality standards. Features high-compression forged piston for enhanced performance, optimized heat transfer for efficient combustion, and an elliptical design to prevent piston collapse. Manufactured in Germany. Specifications include a bore size of 92.02mm, actual bore diameter of 91.97mm, displacement of 399 cm&sup3;, stroke of 60.10mm, clearance of 0.05mm, Wossner compression ratio of 13.50:1, OEM compression ratio of 12.50:1, dome volume of -4.60 cm&sup3;, compression height of 24.10mm. Included components are lock part number CW18, pin part number WP053, and ring set part number 920XSY. Weight is 422 grams.","descriptionMarkdown":"### Wossner High Compression Forged Piston Kit\n\n Experience enhanced performance with this Wossner forged piston kit, engineered for high compression applications. This piston is meticulously designed to optimize heat transfer to the cylinder walls, promoting efficient combustion and superior engine operation. Its innovative elliptical design ensures a uniform bearing surface even under extreme heat expansion, effectively reducing localized pressure and evenly distributing thrust loads to prevent piston collapse.\n\n Manufactured to exacting standards in Germany, this Wossner piston kit delivers reliability and performance.\n\n#### Key Features:\n\n \n- High-compression forged piston for increased power output.\n \n- Advanced design for optimized heat transfer and efficient combustion.\n \n- Elliptical construction prevents piston collapse under thermal stress.\n \n- Precision manufacturing in Germany for exceptional quality.\n\n#### Specifications:\n\n \n- Bore Size: 92.02mm\n \n- Actual Bore Diameter: 91.97mm\n \n- Displacement: 399 cm&sup3;\n \n- Stroke: 60.10mm\n \n- Clearance: 0.05mm\n \n- Wossner Compression Ratio: 13.50:1\n \n- OEM Compression Ratio: 12.50:1\n \n- Dome Volume: -4.60 cm&sup3;\n \n- Compression Height: 24.10mm\n\n#### Included Components:\n\n \n- Lock Part Number: CW18\n \n- Pin Part Number: WP053\n \n- Ring Set Part Number: 920XSY","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-98-00-yzfwr400f-92-hc-wossner-piston-kit-8639dc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/83a36f10ab69:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/83a36f10ab69:1"}},"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."]}}