{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1d2b0d0c3bd9","name":"PISTON 98-00 YZF/WR400F 92 HC, WOSSNER PISTON KIT 8639DB","sku":"56-W199+00B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":177.2,"formatted":"£177.20"},"summary":"Wossner 92mm high compression forged piston kit. Engineered for optimal heat transfer and efficient combustion. Features an elliptical design to prevent piston collapse and evenly distribute thrust loads. Manufactured in Germany. Bore Size: 92.01mm, Actual Bore Diameter: 91.96mm, Displacement: 399 cm&sup3;, Stroke: 60.10mm, Clearance: 0.05mm, Wossner Compression Ratio: 13.50:1, OEM Compression Ratio: 12.50:1, Dome Volume: -4.60 cm&sup3;, Compression Height: 24.10mm. Includes lock part number CW18, pin part number WP053, and ring set part number 920XSY.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"92mm"},{"label":"Variant Id","value":"254960"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00B_2EWO/ec6a05bfae287b9f.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00B_2EWO/ec6a05bfae287b9f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00B_2EWO/806acfa2372a020e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00B_2EWO/2e386d191625a9af.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W199_2B00B_2EWO/582dedb6d155a221.jpg"],"description":"Wossner 92mm high compression forged piston kit. Engineered for optimal heat transfer and efficient combustion. Features an elliptical design to prevent piston collapse and evenly distribute thrust loads. Manufactured in Germany. Bore Size: 92.01mm, Actual Bore Diameter: 91.96mm, Displacement: 399 cm&sup3;, Stroke: 60.10mm, Clearance: 0.05mm, Wossner Compression Ratio: 13.50:1, OEM Compression Ratio: 12.50:1, Dome Volume: -4.60 cm&sup3;, Compression Height: 24.10mm. Includes lock part number CW18, pin part number WP053, and ring set part number 920XSY.","descriptionMarkdown":"### Wossner High Compression Forged Piston Kit - 92mm Bore\n\nEnhance your engine's performance with this Wossner forged piston kit, engineered for high compression and superior power output. This piston is meticulously designed for optimal heat transfer to the cylinder walls, ensuring efficient combustion and consistent engine operation.\n\nThe innovative elliptical design of the piston provides a uniform bearing surface even under extreme heat expansion. This feature significantly reduces localized pressure points and evenly distributes thrust loads, effectively preventing piston collapse and extending engine life.\n\nManufactured in Germany to exacting standards, this Wossner piston kit represents the pinnacle of quality and engineering for performance-driven engines.\n\n### Key Features\n\n \n- High-compression forged piston for maximum performance gains.\n \n- Engineered for optimized heat transfer, promoting efficient combustion.\n \n- Elliptical design prevents piston collapse by managing heat expansion and load distribution.\n \n- Precision manufacturing in Germany ensures exceptional quality and durability.\n\n### Specifications\n\n \n- Bore Size: 92.01mm\n \n- Actual Bore Diameter: 91.96mm\n \n- Displacement: 399 cm&sup3;\n \n- Stroke: 60.10mm\n \n- Piston 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-8639db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1d2b0d0c3bd9:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1d2b0d0c3bd9:1"}},"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."]}}