{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1aaafbe03a8f","name":"PISTON KIT GM SPEEDWAY 90.00, WOSSNER K8811DE E","sku":"56-W9841.E","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":256.08,"formatted":"£256.08"},"summary":"Wossner forged piston kit with a 90.04mm bore (+0.04mm oversize) designed for all Speedway applications, including GM Speedway 499cc engines. Precision-forged in Germany, the piston features superior strength and optimal heat transfer capabilities. Its elliptical profile promotes uniform pressure distribution and expansion under thermal load, minimising stress and reducing the risk of piston failure. Features forged construction for maximum strength and performance, engineered for efficient heat dissipation from combustion to cylinder walls, and an elliptical profile that ensures consistent bearing surface under expansion, reducing localised pressure and evenly distributing thrust loads. Manufactured in Germany. Specifications include bore: 90.04mm (+0.04mm Oversize), actual bore: 89.96mm, display volume: 499 cm&sup3;, stroke: 78.50mm, clearance: 0.08mm, dome volume: +5.60 cm&sup3;, and compression height: 22.00mm. Cross-reference OEM part numbers: 56-W9841.E, 8811DE. Lock part number: CW21. Pin part number: WP074. Ring set part number: 900ADS. Weight: 386 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"90.00mm"},{"label":"Variant Id","value":"258887"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9841_2EE/8b92f6ac9c221ae5.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9841_2EE/8b92f6ac9c221ae5.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9841_2EE/9a7ad6b534255190.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9841_2EE/679bca288c1dea97.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9841_2EE/163c18c9d237583b.jpg"],"description":"Wossner forged piston kit with a 90.04mm bore (+0.04mm oversize) designed for all Speedway applications, including GM Speedway 499cc engines. Precision-forged in Germany, the piston features superior strength and optimal heat transfer capabilities. Its elliptical profile promotes uniform pressure distribution and expansion under thermal load, minimising stress and reducing the risk of piston failure. Features forged construction for maximum strength and performance, engineered for efficient heat dissipation from combustion to cylinder walls, and an elliptical profile that ensures consistent bearing surface under expansion, reducing localised pressure and evenly distributing thrust loads. Manufactured in Germany. Specifications include bore: 90.04mm (+0.04mm Oversize), actual bore: 89.96mm, display volume: 499 cm&sup3;, stroke: 78.50mm, clearance: 0.08mm, dome volume: +5.60 cm&sup3;, and compression height: 22.00mm. Cross-reference OEM part numbers: 56-W9841.E, 8811DE. Lock part number: CW21. Pin part number: WP074. Ring set part number: 900ADS. Weight: 386 grams.","descriptionMarkdown":"### Wossner Forged Piston Kit 90.04mm Speedway GM\n\nThis Wossner forged piston kit is engineered for all Speedway applications, including GM Speedway 499cc engines. Precision-forged in Germany, this piston features a 90.04mm bore, which is +0.04mm oversize. The forged construction provides superior strength and optimal heat transfer capabilities, crucial for high-performance engines. Its elliptical profile is designed to promote uniform pressure distribution and expansion under thermal load, which minimizes stress and reduces the risk of piston failure.\n\n#### Key Features\n\n\t\n- Forged construction for maximum strength and performance.\n\t\n- Engineered for efficient heat dissipation from combustion to cylinder walls.\n\t\n- Elliptical profile ensures a consistent bearing surface under expansion.\n\t\n- Reduces localized pressure and evenly distributes thrust loads.\n\t\n- Manufactured in Germany for high-quality standards.\n\n#### Specifications\n\n\t\n- Bore: 90.04mm (+0.04mm Oversize)\n\t\n- Actual bore: 89.96mm\n\t\n- Display volume: 499 cm&sup3;\n\t\n- Stroke: 78.50mm\n\t\n- Clearance: 0.08mm\n\t\n- Dome volume: +5.60 cm&sup3;\n\t\n- Compression height: 22.00mm\n\n#### Included Components\n\n\t\n- Lock Part Number: CW21\n\t\n- Pin Part Number: WP074\n\t\n- Ring Set Part Number: 900ADS","weightGrams":null,"fitments":[{"make":"GM","model":"SPEEDWAY 499","cc":null,"notes":null,"years":"2000–2017"},{"make":"GM","model":"SPEEDWAY 500","cc":null,"notes":null,"years":"1990–2015"}],"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-gm-speedway-9000-wossner-k8811de-e","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1aaafbe03a8f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1aaafbe03a8f: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."]}}