{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"25ebf8e89967","name":"PISTON KIT 2010 KX250F 77mm C, WOSSNER 8777DC KAWASAKI MX","sku":"56-W953.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.86,"formatted":"£182.86"},"summary":"Wossner forged piston kit with a 77.02mm bore size (76.98mm actual), providing a +0.02mm oversize fitment. Engineered in Germany, the piston incorporates a two-ring design and an elliptical profile for uniform pressure distribution under heat expansion. It maintains OEM compression specifications while ensuring efficient heat dissipation and durability. Features a forged piston with a two-ring configuration for strength and reliability. The elliptical design ensures even thrust load distribution under thermal stress. Designed for effective heat transfer from the combustion chamber to the cylinder walls. Manufactured in Germany. Specifications: Bore Size 77.02mm (actual 76.98mm), Displacement 250 cm³, Stroke 53.60 mm, Clearance 0.04 mm, Compression Ratio (Wossner) OEM, Compression Ratio (OEM) 13.20:1, Dome Volume -2.50 cm³, Compression Height 19.60 mm, Lock Part Number CW16, Pin Part Number WP070, Ring Set Part Number 770XAS-2. Cross-Reference OEM Part Numbers: 13001-0115, Wiseco 40009M, Vertex 23566, ProX 01.4340.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77.00mm"},{"label":"Variant Id","value":"258376"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W953_2EC_2EWO/afa8fecf1aebe4df.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W953_2EC_2EWO/afa8fecf1aebe4df.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W953_2EC_2EWO/8b460c850294109c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W953_2EC_2EWO/1cf7074a34e03173.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W953_2EC_2EWO/f7b01fed60a7fbd0.jpg"],"description":"Wossner forged piston kit with a 77.02mm bore size (76.98mm actual), providing a +0.02mm oversize fitment. Engineered in Germany, the piston incorporates a two-ring design and an elliptical profile for uniform pressure distribution under heat expansion. It maintains OEM compression specifications while ensuring efficient heat dissipation and durability. Features a forged piston with a two-ring configuration for strength and reliability. The elliptical design ensures even thrust load distribution under thermal stress. Designed for effective heat transfer from the combustion chamber to the cylinder walls. Manufactured in Germany. Specifications: Bore Size 77.02mm (actual 76.98mm), Displacement 250 cm³, Stroke 53.60 mm, Clearance 0.04 mm, Compression Ratio (Wossner) OEM, Compression Ratio (OEM) 13.20:1, Dome Volume -2.50 cm³, Compression Height 19.60 mm, Lock Part Number CW16, Pin Part Number WP070, Ring Set Part Number 770XAS-2. Cross-Reference OEM Part Numbers: 13001-0115, Wiseco 40009M, Vertex 23566, ProX 01.4340.","descriptionMarkdown":"### Wossner Forged Piston Kit 77mm C\n\nUpgrade your motorcycle's performance with this high-quality Wossner forged piston kit. Engineered in Germany, this piston is designed to deliver exceptional strength, durability, and efficiency for your engine.\n\n**Key Features:**\n\n \n- Forged construction for superior strength and longevity.\n \n- Two-ring configuration enhances reliability and performance.\n \n- Elliptical piston design ensures uniform pressure distribution, especially under thermal stress.\n \n- Optimized for effective heat transfer from the combustion chamber to the cylinder walls, promoting efficient cooling.\n \n- Maintains OEM compression specifications for reliable engine operation.\n\n**Specifications:**\n\n \n- Bore Size: 77.02mm (actual 76.98mm)\n \n- Displacement: 250 cm&sup3;\n \n- Stroke: 53.60 mm\n \n- Clearance: 0.04 mm\n \n- Dome Volume: -2.50 cm&sup3;\n \n- Compression Height: 19.60 mm\n \n- Lock Part Number: CW16\n \n- Pin Part Number: WP070\n \n- Ring Set Part Number: 770XAS-2","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2010"}],"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-2010-kx250f-77mm-c-wossner-8777dc-kawasaki-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/25ebf8e89967:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/25ebf8e89967:1"}},"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."]}}