{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f85b0ca5a4f6","name":"PISTON KIT 90-99 DR350 81.00, FORGED WOSSNER 8600D200","sku":"56-W4576_200.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":195.02,"formatted":"£195.02"},"summary":"Wossner 81mm forged piston kit. Designed for optimal combustion chamber heat transfer and uniform load distribution, reducing localized pressure and preventing piston collapse. Features forged construction for superior strength and durability, optimized heat transfer to cylinder walls, and an elliptical design for uniform bearing surface under heat expansion. This kit reduces localized pressure, evenly distributes thrust loads, and prevents piston collapse under high-stress conditions. Specifications include a bore size of 81.00mm, Wossner part number 8600D200, lock part number CW20, pin part number WP029, ring set part number 810XSY, displacement of 349 cm³, stroke of 71.20mm, clearance of 0.06mm, compression ratio of OEM (9.50:1), dome volume of +3.50 cm³, and compression height of 25.00mm. Made in Germany.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"81mm"},{"label":"Variant Id","value":"255737"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4576_5F200_2EWO/a877c6c7f62542ea.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4576_5F200_2EWO/a877c6c7f62542ea.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4576_5F200_2EWO/c68a05944a66fe29.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4576_5F200_2EWO/d35728104f74197c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4576_5F200_2EWO/dc732e56f03d76fa.jpg"],"description":"Wossner 81mm forged piston kit. Designed for optimal combustion chamber heat transfer and uniform load distribution, reducing localized pressure and preventing piston collapse. Features forged construction for superior strength and durability, optimized heat transfer to cylinder walls, and an elliptical design for uniform bearing surface under heat expansion. This kit reduces localized pressure, evenly distributes thrust loads, and prevents piston collapse under high-stress conditions. Specifications include a bore size of 81.00mm, Wossner part number 8600D200, lock part number CW20, pin part number WP029, ring set part number 810XSY, displacement of 349 cm³, stroke of 71.20mm, clearance of 0.06mm, compression ratio of OEM (9.50:1), dome volume of +3.50 cm³, and compression height of 25.00mm. Made in Germany.","descriptionMarkdown":"### Wossner Forged Piston Kit 81.00mm for DR350\n\nUpgrade your motorcycle's performance with this high-quality Wossner forged piston kit. Engineered in Germany, this piston is designed for optimal combustion efficiency and durability.\n\n**Key Features:**\n\n- Forged Construction: Provides superior strength and resilience compared to cast pistons, ensuring long-lasting performance under demanding conditions.\n\n- Optimized Heat Transfer: Features a design that promotes efficient heat transfer to the cylinder walls, helping to maintain consistent operating temperatures and prevent overheating.\n\n- Uniform Load Distribution: The elliptical piston design ensures an even bearing surface as it expands with heat, reducing localized stress and preventing premature wear.\n\n- Prevents Piston Collapse: Engineered to maintain its shape under high stress, this piston actively prevents collapse, safeguarding engine integrity.\n\n**Specifications:**\n\n- Bore Size: 81.00mm\n\n- Compression Ratio: OEM (9.50:1)\n\n- Dome Volume: +3.50 cm&sup3;\n\n- Compression Height: 25.00mm\n\n- Displacement: 349 cm&sup3;\n\n- Stroke: 71.20mm\n\n- Clearance: 0.06mm","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-90-99-dr350-8100-forged-wossner-8600d200","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f85b0ca5a4f6:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f85b0ca5a4f6:1"}},"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."]}}