{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"910e8bc70d77","name":"PISTON KIT 03-04 KTM250 66.40, WOSSNE 8082DA FORGED MX 55430007000","sku":"56-W824.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":156.56,"formatted":"£156.56"},"summary":"Wossner forged piston kit for 250cc two-stroke engines. Bore size 66.40mm, piston diameter 66.34mm. Features forged construction for superior strength and durability, enhanced heat transfer for improved thermal efficiency, and an elliptically designed piston for uniform load distribution. Manufactured in Germany. Specifications include: Compression Height 38.00mm, Stroke 72.00mm, Clearance 0.06mm, Compression Ratio 2-stroke (Wossner and OEM), Displacement 249 cm&sup3;. Cross-reference OEM Part Numbers: Wossner 8082DA, Alternate Piston Kit Reference 56-W824.A.WO, Lock CW18, Pin WP033, Ring Set RSB6640, Rod P2023, OEM Part Numbers 55430007000, 824M06640. Weight 340g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.40mm"},{"label":"Variant Id","value":"257896"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W824_2EA_2EWO/1de3e9b27d8990c2.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W824_2EA_2EWO/1de3e9b27d8990c2.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W824_2EA_2EWO/bac1263d618b3f3b.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W824_2EA_2EWO/5b60207f632a3cb1.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W824_2EA_2EWO/4430975a15c2900c.jpg"],"description":"Wossner forged piston kit for 250cc two-stroke engines. Bore size 66.40mm, piston diameter 66.34mm. Features forged construction for superior strength and durability, enhanced heat transfer for improved thermal efficiency, and an elliptically designed piston for uniform load distribution. Manufactured in Germany. Specifications include: Compression Height 38.00mm, Stroke 72.00mm, Clearance 0.06mm, Compression Ratio 2-stroke (Wossner and OEM), Displacement 249 cm&sup3;. Cross-reference OEM Part Numbers: Wossner 8082DA, Alternate Piston Kit Reference 56-W824.A.WO, Lock CW18, Pin WP033, Ring Set RSB6640, Rod P2023, OEM Part Numbers 55430007000, 824M06640. Weight 340g.","descriptionMarkdown":"### Wossner Forged Piston Kit - 66.40mm Bore\n\nThis Wossner forged piston kit is engineered for exceptional performance and durability in 250cc two-stroke engines. Designed for standard bore configurations, it offers reliable power delivery, efficient thermal management, and robust structural integrity.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides superior strength and durability for demanding riding conditions.\n\t\n- Enhanced Thermal Efficiency: Features improved heat transfer from the combustion chamber to the cylinder walls.\n\t\n- Elliptical Piston Design: Distributes load uniformly, reducing localized pressure and minimizing the risk of piston collapse.\n\t\n- Precision Manufacturing: Made in Germany to ensure consistent precision and high-quality standards.\n\n**Specifications:**\n\n\t\n- Bore Size: 66.40 mm\n\t\n- Piston Diameter: 66.34 mm\n\t\n- Compression Height: 38.00 mm\n\t\n- Stroke: 72.00 mm\n\t\n- Clearance: 0.06 mm\n\t\n- Compression Ratio: 2-stroke (Wossner and OEM)\n\t\n- Displacement: 249 cm&sup3;\n\n**Kit Components:**\n\n\t\n- Piston Kit: Wossner 8082DA\n\t\n- Lock: CW18\n\t\n- Pin: WP033\n\t\n- Ring Set: RSB6640\n\t\n- Rod: P2023\n\n**Cross-Reference OEM Part Numbers:**\n\n\t\n- 55430007000\n\t\n- 824M06640","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 250","cc":null,"notes":null,"years":"2013–2015"},{"make":"GAS-GAS","model":"EC 250","cc":null,"notes":null,"years":"1997–2014"},{"make":"HUSABERG","model":"TE 250","cc":null,"notes":null,"years":"2011–2014"},{"make":"HUSQVARNA","model":"TC 250","cc":null,"notes":null,"years":"2014–2020"},{"make":"HUSQVARNA","model":"TE 250","cc":null,"notes":null,"years":"2014–2019"},{"make":"HUSQVARNA","model":"TE 250i","cc":null,"notes":null,"years":"2018–2021"},{"make":"KTM","model":"250 EXC","cc":null,"notes":null,"years":"2005–2020"},{"make":"KTM","model":"250 EXC TPI","cc":null,"notes":null,"years":"2018–2020"},{"make":"KTM","model":"250 FREERIDE R","cc":null,"notes":null,"years":"2014"},{"make":"KTM","model":"250 SX","cc":null,"notes":null,"years":"2003–2020"},{"make":"KTM","model":"250 SXS","cc":null,"notes":null,"years":"2003–2016"},{"make":"KTM","model":"250 XC","cc":null,"notes":null,"years":"2006–2018"},{"make":"KTM","model":"250 XC W E","cc":null,"notes":null,"years":"2006–2012"},{"make":"KTM","model":"250 XC-W","cc":null,"notes":null,"years":"2006–2018"}],"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-03-04-ktm250-6640-wossne-8082da-forged-mx-55430007000","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/910e8bc70d77:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/910e8bc70d77:1"}},"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."]}}