{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cc7826bff696","name":"PISTON KIT 11-12 TM250F FI 77, FORGED WOSSNER 8839DA","sku":"56-W4958.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":182.4,"formatted":"£182.40"},"summary":"Wossner 8839DA forged piston kit with a 77mm bore (76.96mm). This standard size piston is engineered to provide superior strength and design, facilitating optimal combustion chamber heat transfer to cylinder walls. Its elliptical design ensures a uniform bearing surface under heat expansion, distributing thrust loads evenly and preventing piston collapse. Made in Germany. Includes lock pin CW16, pin WP059, and ring set 770XAS-2. Display 250 cm3, stroke 53.60 mm, clearance 0.04 mm. Dome volume -2.10 cm3, compression height 22.20 mm. Theoretical weight 280g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"256467"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4958_2EA_2EWO/fe9cc221dea49a62.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4958_2EA_2EWO/fe9cc221dea49a62.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4958_2EA_2EWO/1f541299f1d46889.jpg"],"description":"Wossner 8839DA forged piston kit with a 77mm bore (76.96mm). This standard size piston is engineered to provide superior strength and design, facilitating optimal combustion chamber heat transfer to cylinder walls. Its elliptical design ensures a uniform bearing surface under heat expansion, distributing thrust loads evenly and preventing piston collapse. Made in Germany. Includes lock pin CW16, pin WP059, and ring set 770XAS-2. Display 250 cm3, stroke 53.60 mm, clearance 0.04 mm. Dome volume -2.10 cm3, compression height 22.20 mm. Theoretical weight 280g.","descriptionMarkdown":"### Wossner 77mm Forged Piston Kit\n\nUpgrade your engine's performance with this high-quality Wossner forged piston kit. Designed for optimal strength and heat transfer, this kit is engineered to enhance combustion efficiency and ensure smooth engine operation.\n\n**Key Features:**\n\n \n- Forged construction for superior strength and durability.\n \n- Engineered for efficient combustion chamber heat transfer to cylinder walls.\n \n- Elliptical design promotes uniform bearing surface under heat expansion, preventing piston collapse and distributing thrust loads evenly.\n \n- Made in Germany to exacting standards.\n \n- Includes lock, pin, and ring set.\n\n**Specifications:**\n\n \n- Bore Size: 77mm (Standard Size A)\n \n- Actual Bore: 76.96mm\n \n- Dome Volume: -2.10 cm³\n \n- Compression Height: 22.20mm\n \n- Piston Clearance: 0.04mm\n \n- Theoretical Weight: 280g","weightGrams":null,"fitments":[{"make":"TM","model":"EN F 250","cc":null,"notes":null,"years":"2011–2012"},{"make":"TM","model":"MX F 250","cc":null,"notes":null,"years":"2011–2012"},{"make":"TM","model":"TM F 250","cc":null,"notes":null,"years":"2011–2012"}],"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-11-12-tm250f-fi-77-forged-wossner-8839da","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cc7826bff696:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cc7826bff696:1"}},"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."]}}