{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f8dd8cfc04aa","name":"PISTON KIT 04 TM450F 95.00, WOSNER 8586DA TM 450 4 STROKE","sku":"56-W026.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":187.82,"formatted":"£187.82"},"summary":"Wossner forged piston kit engineered for optimal heat transfer. Features an elliptical design for uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Forged construction for enhanced durability. Optimized heat transfer for improved performance. Elliptical design prevents localized pressure and piston collapse. OEM compression ratio for direct replacement. Bore 94.96 mm, Piston Size 95.00 mm, Displacement 449 cm&sup3;, Stroke 63.40 mm, Clearance 0.04 mm, Wossner Compression Ratio OEM, OEM Compression Ratio 11.70:1, Dome Volume -7.10 cm&sup3;, Compression Height 25.50 mm. Lock CW19, Pin WP037, Ring Set 950XDS.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"254305"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W026_2EA_2EWO/187a3903b9611074.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W026_2EA_2EWO/187a3903b9611074.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W026_2EA_2EWO/4634583318f11e3d.jpg"],"description":"Wossner forged piston kit engineered for optimal heat transfer. Features an elliptical design for uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Forged construction for enhanced durability. Optimized heat transfer for improved performance. Elliptical design prevents localized pressure and piston collapse. OEM compression ratio for direct replacement. Bore 94.96 mm, Piston Size 95.00 mm, Displacement 449 cm&sup3;, Stroke 63.40 mm, Clearance 0.04 mm, Wossner Compression Ratio OEM, OEM Compression Ratio 11.70:1, Dome Volume -7.10 cm&sup3;, Compression Height 25.50 mm. Lock CW19, Pin WP037, Ring Set 950XDS.","descriptionMarkdown":"### Wossner Forged Piston Kit for 4-Stroke 450cc Engines\n\nEnhance the performance and durability of your motorcycle's engine with this Wossner forged piston kit. Expertly engineered in Germany, this piston kit is designed for superior strength and optimized heat transfer, ensuring your engine operates at its peak efficiency.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides exceptional strength and longevity for demanding use.\n\t\n- Optimized Heat Transfer: Efficiently moves heat from the combustion chamber to the cylinder walls, improving engine cooling and performance.\n\t\n- Elliptical Design: Features an elliptical piston shape that maintains a uniform bearing surface under heat expansion. This reduces localized pressure and evenly distributes thrust loads, effectively preventing piston collapse.\n\t\n- OEM Compression Ratio: Designed to match the original equipment manufacturer's compression ratio, ensuring a direct and seamless replacement.\n\n#### Specifications:\n\n\t\n- Bore: 94.96 mm\n\t\n- Piston Size: 95.00 mm\n\t\n- Displacement: 449 cm&sup3;\n\t\n- Stroke: 63.40 mm\n\t\n- Clearance: 0.04 mm\n\t\n- Wossner Compression Ratio: OEM\n\t\n- OEM Compression Ratio: 11.70:1\n\t\n- Dome Volume: -7.10 cm&sup3;\n\t\n- Compression Height: 25.50 mm\n\n#### Included Components:\n\n\t\n- Piston\n\t\n- Ring Set (Part Number: 950XDS)\n\t\n- Pin (Part Number: WP037)\n\t\n- Lock (Part Number: CW19)","weightGrams":null,"fitments":[{"make":"KTM","model":"525 SX","cc":null,"notes":"1st Filter","years":"2003–2007"},{"make":"TM","model":"CROSS F 450","cc":null,"notes":null,"years":"2004"},{"make":"TM","model":"EN F 450","cc":null,"notes":null,"years":"2001–2004"},{"make":"TM","model":"ENDURO F 450","cc":null,"notes":null,"years":"2004"},{"make":"TM","model":"MX F 450","cc":null,"notes":null,"years":"2004"},{"make":"TM","model":"TM F 450","cc":null,"notes":null,"years":"2004"}],"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-04-tm450f-9500-wosner-8586da-tm-450-4-stroke","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f8dd8cfc04aa:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f8dd8cfc04aa: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."]}}