{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ff572cbb8828","name":"PISTON KIT 05-09 KX250 66.40 D, WOSSNER 8168DD KAWASAKI MX","sku":"56-W844.D.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":144.97,"formatted":"£144.97"},"summary":"Wossner Piston Kit forged 66.43mm bore piston designed for the Kawasaki KX250 models from 2005 to 2009. Manufactured in Germany, the piston delivers exceptional strength and thermal performance. Its elliptical design ensures even distribution of thrust loads, reducing the risk of piston collapse by accommodating expansion under high temperatures. Precision engineering promotes optimal heat transfer from the combustion chamber to the cylinder walls. Features forged construction, elliptical design for even load distribution and to prevent piston collapse, engineered for efficient heat transfer, and manufactured in Germany. Specifications include Bore: 66.43 mm, Clearance: 0.06 mm, Compression Ratio: 2-stroke, Compression Height: 37.00 mm, Display: 249 cm&sup3;, and Hub Stroke: 72.00 mm. Cross-reference OEM Part Numbers: Piston Kit 8168DC (+0.03), Part No. 56-W844.D.WO, Lock: CW18, Pin: WP033, Ring Set: RSB6640, Rod: P2022.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.40mm"},{"label":"Variant Id","value":"258006"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W844_2ED_2EWO/4490de28852804cf.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W844_2ED_2EWO/4490de28852804cf.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W844_2ED_2EWO/cf83a10293c3fcbd.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W844_2ED_2EWO/7716c5af0f18b012.jpg"],"description":"Wossner Piston Kit forged 66.43mm bore piston designed for the Kawasaki KX250 models from 2005 to 2009. Manufactured in Germany, the piston delivers exceptional strength and thermal performance. Its elliptical design ensures even distribution of thrust loads, reducing the risk of piston collapse by accommodating expansion under high temperatures. Precision engineering promotes optimal heat transfer from the combustion chamber to the cylinder walls. Features forged construction, elliptical design for even load distribution and to prevent piston collapse, engineered for efficient heat transfer, and manufactured in Germany. Specifications include Bore: 66.43 mm, Clearance: 0.06 mm, Compression Ratio: 2-stroke, Compression Height: 37.00 mm, Display: 249 cm&sup3;, and Hub Stroke: 72.00 mm. Cross-reference OEM Part Numbers: Piston Kit 8168DC (+0.03), Part No. 56-W844.D.WO, Lock: CW18, Pin: WP033, Ring Set: RSB6640, Rod: P2022.","descriptionMarkdown":"### Wossner Piston Kit for Kawasaki KX250 (2005-2009)\n\nUpgrade your Kawasaki KX250 with this high-performance Wossner Piston Kit. Expertly manufactured in Germany, this piston kit is engineered to deliver exceptional strength, durability, and optimal thermal efficiency for your motorcycle's engine.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides superior strength and resilience compared to cast pistons, ensuring longevity under demanding conditions.\n\t\n- Elliptical Design: This intelligent design promotes even distribution of thrust loads, effectively preventing piston collapse by accommodating thermal expansion during high-temperature operation.\n\t\n- Enhanced Heat Transfer: Precision engineering facilitates efficient transfer of heat from the combustion chamber directly to the cylinder walls, contributing to better engine performance and reliability.\n\t\n- German Engineering: Built with the precision and quality expected from German manufacturing.\n\n#### Specifications:\n\n\t\n- Bore Size: 66.43 mm\n\t\n- Piston Clearance: 0.06 mm\n\t\n- Compression Ratio Type: 2-stroke\n\t\n- Compression Height: 37.00 mm\n\t\n- Displacement: 249 cm&sup3;\n\t\n- Stroke: 72.00 mm\n\n#### Included Components:\n\n\t\n- Piston\n\t\n- Piston Pin\n\t\n- Piston Rings\n\t\n- Circlips (Lock)\n\nThis Wossner piston kit is designed to meet or exceed the performance of original equipment, offering a reliable solution for engine rebuilds and performance enhancements.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250","cc":null,"notes":null,"years":"1993–2009"},{"make":"KTM","model":"250 SX","cc":null,"notes":null,"years":"2003–2016"},{"make":"SUZUKI","model":"RM 250","cc":null,"notes":null,"years":"2003–2010"},{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1999–2021"}],"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-05-09-kx250-6640-d-wossner-8168dd-kawasaki-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ff572cbb8828:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ff572cbb8828:1"}},"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."]}}