{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b8222f15ae26","name":"PISTON KIT 09-11 TM450F 95.00, FORGED WOSSNER 8820DB","sku":"56-W4960.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":177.2,"formatted":"£177.20"},"summary":"Wossner forged piston kit part number 8820DB features a 95.01mm bore with an actual piston size of 94.97mm. This high-performance four-stroke piston is designed for durability, efficient heat transfer, and even pressure distribution, using an elliptical profile to reduce localized stress. Features include forged construction for strength, an elliptical profile for even expansion and thrust load distribution, and design for optimal combustion heat dissipation. Made in Germany, this is a direct OEM replacement and easy to install. Specifications include a bore size of 95.01mm, actual piston size of 94.97mm, displacement of 250cm³, stroke of 63.40mm, clearance of 0.04mm, dome volume of -6.40cm³, compression ratio of 13.00:1 (OEM), and compression height of 21.00mm. Cross-reference OEM part numbers include CW19 (Lock), WP037 (Pin), and 950ADS-2 (Ring Set).","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"95mm"},{"label":"Variant Id","value":"256473"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55419_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55419_1.jpg"],"description":"Wossner forged piston kit part number 8820DB features a 95.01mm bore with an actual piston size of 94.97mm. This high-performance four-stroke piston is designed for durability, efficient heat transfer, and even pressure distribution, using an elliptical profile to reduce localized stress. Features include forged construction for strength, an elliptical profile for even expansion and thrust load distribution, and design for optimal combustion heat dissipation. Made in Germany, this is a direct OEM replacement and easy to install. Specifications include a bore size of 95.01mm, actual piston size of 94.97mm, displacement of 250cm³, stroke of 63.40mm, clearance of 0.04mm, dome volume of -6.40cm³, compression ratio of 13.00:1 (OEM), and compression height of 21.00mm. Cross-reference OEM part numbers include CW19 (Lock), WP037 (Pin), and 950ADS-2 (Ring Set).","descriptionMarkdown":"### Wossner Forged Piston Kit 8820DB - Enhanced Performance and Durability\n\nUpgrade your motorcycle's engine with this premium Wossner forged piston kit. Engineered for superior strength and performance, this kit is designed to meet the demands of high-performance riding. Its forged construction ensures exceptional durability and longevity, while the precision-engineered dimensions provide an optimal fit for enhanced engine function.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides superior strength and resistance to wear for extended engine life and consistent performance.\n\t\n- Elliptical Profile: Designed to distribute thrust loads evenly, reducing stress on critical engine components and promoting smoother operation.\n\t\n- Optimal Heat Dissipation: Engineered to efficiently manage combustion heat, preventing premature wear and maintaining peak engine performance.\n\t\n- Made in Germany: Guarantees high manufacturing standards and quality craftsmanship.\n\t\n- Direct OEM Replacement: Intended to fit as a direct replacement for specific OEM parts, simplifying installation.\n\t\n- Easy Installation: Designed for straightforward fitting, though professional installation is recommended for those unsure.\n\n**Specifications:**\n\n\t\n- Bore Size: 95.01mm\n\t\n- Actual Piston Size: 94.97mm\n\t\n- Displacement: 250cm&sup3;\n\t\n- Stroke: 63.40mm\n\t\n- Clearance: 0.04mm\n\t\n- Dome Volume: -6.40cm&sup3;\n\t\n- Compression Ratio: 13.00:1 (OEM)\n\t\n- Compression Height: 21.00mm\n\n**Cross-Reference OEM Part Numbers:**\n\n\t\n- CW19 (Lock)\n\t\n- WP037 (Pin)\n\t\n- 950ADS-2 (Ring Set)","weightGrams":null,"fitments":[{"make":"TM","model":"EN FI 450","cc":null,"notes":null,"years":"2011"},{"make":"TM","model":"MX F 450","cc":null,"notes":null,"years":"2009–2011"},{"make":"TM","model":"MX FI 450","cc":null,"notes":null,"years":"2011"},{"make":"TM","model":"TM F 450","cc":null,"notes":null,"years":"2009–2011"}],"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-09-11-tm450f-9500-forged-wossner-8820db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b8222f15ae26:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b8222f15ae26:1"}},"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."]}}