{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"be43cb6754e1","name":"PISTON KIT 00-06 KTM250 66.40, WOSSNER 8090DB FORGED","sku":"56-W774.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":153.68,"formatted":"£153.68"},"summary":"Wossner forged piston kit with a 66.40mm bore. Features include forged piston for high strength and durability, optimal combustion chamber heat transfer to the cylinder wall, elliptical profile for consistent bearing surface during expansion, and minimised localised stress to prevent piston collapse under high load. Manufactured in Germany to precise engineering standards. Specifications: Bore 66.41 mm, actual piston size 66.35 mm, stroke 72.00 mm, display volume 249 cm³, clearance 0.06 mm, compression ratio 2-stroke (Wossner and OEM), compression height 38.00 mm. Cross-reference OEM part numbers: Piston Kit 8090DB, Lock CW18, Pin WP033, Ring Set RSB6640. Part No: 56-W774.B.WO.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.40mm"},{"label":"Variant Id","value":"257734"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56680_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56680_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56680_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56680_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56680_4.jpg"],"description":"Wossner forged piston kit with a 66.40mm bore. Features include forged piston for high strength and durability, optimal combustion chamber heat transfer to the cylinder wall, elliptical profile for consistent bearing surface during expansion, and minimised localised stress to prevent piston collapse under high load. Manufactured in Germany to precise engineering standards. Specifications: Bore 66.41 mm, actual piston size 66.35 mm, stroke 72.00 mm, display volume 249 cm³, clearance 0.06 mm, compression ratio 2-stroke (Wossner and OEM), compression height 38.00 mm. Cross-reference OEM part numbers: Piston Kit 8090DB, Lock CW18, Pin WP033, Ring Set RSB6640. Part No: 56-W774.B.WO.","descriptionMarkdown":"### Wossner Forged Piston Kit - 66.40mm Bore\n\nUpgrade your engine's performance and durability with this Wossner Forged Piston Kit. Engineered for precision and strength, this kit is designed to withstand the rigors of high-performance riding and demanding 2-stroke applications. The forged construction offers superior heat resistance and consistent performance, ensuring your engine runs at its peak.\n\n**Key Features:**\n\n- Forged piston construction for exceptional strength and longevity.\n\n- Optimized design for efficient combustion chamber heat transfer to the cylinder wall.\n\n- Elliptical piston profile ensures a consistent bearing surface during thermal expansion.\n\n- Engineered to minimize localized stress, preventing piston collapse under extreme loads.\n\n- Manufactured in Germany, adhering to strict engineering and quality standards.\n\n**Specifications:**\n\n- Bore Size: 66.41 mm\n\n- Actual Piston Diameter: 66.35 mm\n\n- Stroke: 72.00 mm\n\n- Displacement: 249 cm&sup3;\n\n- Piston Clearance: 0.06 mm\n\n- Compression Height: 38.00 mm\n\n- Compression Ratio: 2-stroke (Compatible with Wossner and OEM specifications)","weightGrams":null,"fitments":[{"make":"KTM","model":"250 EXC","cc":null,"notes":null,"years":"2000–2006"},{"make":"KTM","model":"250 MXC","cc":null,"notes":null,"years":"2000–2005"},{"make":"KTM","model":"250 SX","cc":null,"notes":null,"years":"2000–2002"},{"make":"KTM","model":"250 SXS","cc":null,"notes":null,"years":"2000–2002"}],"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-00-06-ktm250-6640-wossner-8090db-forged","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/be43cb6754e1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/be43cb6754e1:1"}},"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."]}}