{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f51db20957a8","name":"PISTON KIT 13-15 SXF250 78mm C, WOSSNER 8865DC KTM","sku":"56-W954.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":200.64,"formatted":"£200.64"},"summary":"Wossner 8865DC 78mm piston kit with a 77.98mm bore and +0.02mm clearance. Engineered for superior strength and design, Wossner forged pistons provide optimal combustion chamber heat transfer to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, distributing thrust loads evenly and preventing piston collapse. Made in Germany. Display (cm3) 249. Hub stroke (mm) 53.60. Clearance (mm) 0.04. Wossner compression ratio: OEM. OEM compression ratio: 13.90:1. Dome volume (cm3) -2.10. Compression height (mm) 19.50. Weight (G) 226.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"78.00mm"},{"label":"Variant Id","value":"258387"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57333_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57333_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57333_2.jpg"],"description":"Wossner 8865DC 78mm piston kit with a 77.98mm bore and +0.02mm clearance. Engineered for superior strength and design, Wossner forged pistons provide optimal combustion chamber heat transfer to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, distributing thrust loads evenly and preventing piston collapse. Made in Germany. Display (cm3) 249. Hub stroke (mm) 53.60. Clearance (mm) 0.04. Wossner compression ratio: OEM. OEM compression ratio: 13.90:1. Dome volume (cm3) -2.10. Compression height (mm) 19.50. Weight (G) 226.","descriptionMarkdown":"### Wossner 78mm Piston Kit for KTM and Husqvarna\n\nThis Wossner piston kit features a 78.02mm bore with a 77.98mm piston, representing a +0.02mm oversize. Designed for high-performance engines, Wossner forged pistons offer superior strength and advanced design for optimal combustion and heat transfer.\n\n**Key Features:**\n\n \n- Forged for enhanced strength and durability.\n \n- Engineered for efficient combustion chamber heat transfer to cylinder walls.\n \n- Elliptical design ensures uniform bearing surface under heat expansion, preventing localized pressure and distributing thrust loads evenly to avoid piston collapse.\n \n- Precision manufactured in Germany.\n \n- Piston Bore: 78.02mm\n \n- Oversize: +0.02mm\n \n- Dome Volume: -2.10 cm3\n \n- Compression Height: 19.50mm\n \n- OEM Compression Ratio: 13.90:1","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"EC F 250","cc":null,"notes":null,"years":"2021–2023"},{"make":"HUSABERG","model":"FE 250","cc":null,"notes":null,"years":"2014"},{"make":"HUSQVARNA","model":"FC 250","cc":null,"notes":null,"years":"2014–2015"},{"make":"HUSQVARNA","model":"FE 250","cc":null,"notes":null,"years":"2014–2023"},{"make":"KTM","model":"250 EXC-F","cc":null,"notes":null,"years":"2014–2023"},{"make":"KTM","model":"250 FREERIDE F","cc":null,"notes":null,"years":"2018–2020"},{"make":"KTM","model":"250 FREERIDE R","cc":null,"notes":null,"years":"2018–2020"},{"make":"KTM","model":"250 SX-F","cc":null,"notes":null,"years":"2013–2015"},{"make":"KTM","model":"250 XC-F","cc":null,"notes":null,"years":"2013–2014"},{"make":"KTM","model":"250 XCF-W","cc":null,"notes":null,"years":"2013–2014"}],"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-13-15-sxf250-78mm-c-wossner-8865dc-ktm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f51db20957a8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f51db20957a8:1"}},"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."]}}