{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"bde13aedef0f","name":"PISTON KIT 06-12 SXF250 80 HC, WOSSNER 8690D400 SX-F KTM","sku":"56-W4734+400.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.4,"formatted":"£182.40"},"summary":"Wossner forged piston kit designed for high-performance applications, offering superior strength and optimized heat transfer. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for precision and durability. Features include a forged piston for enhanced strength and durability, optimized heat transfer to cylinder walls for improved performance, and an elliptical design for even thrust load distribution. Specifications include a bore size of 80mm, actual bore of 79.96mm, display volume of 249cm&sup3;, stroke of 54.80mm, clearance of 0.04mm, Wossner compression ratio of 14.40:1, OEM compression ratio of 13.20:1, dome volume of +2.30cm&sup3;, compression height of 19.50mm, lock part number CW16, pin part number WP070, ring set part number 800XDS, rod part number P4003, and part number 56-W4734+400.WO.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"80mm"},{"label":"Variant Id","value":"255990"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54936_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54936_1.jpg"],"description":"Wossner forged piston kit designed for high-performance applications, offering superior strength and optimized heat transfer. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for precision and durability. Features include a forged piston for enhanced strength and durability, optimized heat transfer to cylinder walls for improved performance, and an elliptical design for even thrust load distribution. Specifications include a bore size of 80mm, actual bore of 79.96mm, display volume of 249cm&sup3;, stroke of 54.80mm, clearance of 0.04mm, Wossner compression ratio of 14.40:1, OEM compression ratio of 13.20:1, dome volume of +2.30cm&sup3;, compression height of 19.50mm, lock part number CW16, pin part number WP070, ring set part number 800XDS, rod part number P4003, and part number 56-W4734+400.WO.","descriptionMarkdown":"### Wossner Forged Piston Kit - High Performance 80mm Bore\n\nUpgrade your engine's performance and durability with the Wossner Forged Piston Kit. Engineered for high-performance applications, this piston kit offers superior strength and optimized heat transfer compared to standard cast pistons. The advanced elliptical design ensures a uniform bearing surface even under extreme heat expansion, effectively reducing localized pressure and preventing premature piston failure. Precision manufactured in Germany, this kit is built to the highest standards of quality and reliability.\n\n**Key Features:**\n\n \n- Forged Construction: Provides significantly enhanced strength and longevity for demanding use.\n \n- Optimized Heat Transfer: Promotes efficient cooling by transferring heat effectively to the cylinder walls, leading to improved performance and engine longevity.\n \n- Elliptical Piston Design: Guarantees an even distribution of thrust loads by adapting to thermal expansion, preventing hot spots and potential piston collapse.\n \n- German Engineering: Manufactured in Germany, ensuring exceptional precision, quality, and durability.\n\n**Technical Specifications:**\n\n \n- Bore Size: 80mm\n \n- Actual Bore Measurement: 79.96mm\n \n- Engine Displacement Displayed: 249 cm&sup3;\n \n- Stroke Length: 54.80mm\n \n- Recommended Clearance: 0.04mm\n \n- Wossner Compression Ratio: 14.40:1\n \n- Original Equipment Manufacturer (OEM) Compression Ratio: 13.20:1\n \n- Dome Volume: +2.30 cm&sup3;\n \n- Compression Height: 19.50mm\n \n- Lock Ring Part Number: CW16\n \n- Piston Pin Part Number: WP070\n \n- Ring Set Part Number: 800XDS\n \n- Connecting Rod Part Number: P4003","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-06-12-sxf250-80-hc-wossner-8690d400-sx-f-ktm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/bde13aedef0f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/bde13aedef0f: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."]}}