{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"e6789dfb0b9a","name":"PISTON KIT 04-05 CRF250R 78.00, FORGED PISTON KIT 8587DB","sku":"56-W4829.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":205.32,"formatted":"£205.32"},"summary":"Wossner 78.01mm forged piston kit is designed for strength and durability. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability. Features forged construction for enhanced strength and longevity, optimized heat transfer for improved engine performance, and an elliptical design that prevents piston collapse and ensures even load distribution. Manufactured in Germany for high-quality standards. Specifications include Bore Size: 78.01mm, Actual Bore Diameter: 77.96mm, Displacement: 249 cm³, Stroke: 52.20mm, Clearance: 0.05mm, Wossner Compression Ratio: OEM, OEM Compression Ratio: 12.90:1, Dome Volume: -1.00 cm³, Compression Height: 18.90mm, Gasket Part Number: D4004, Lock Part Number: CW16, Pin Part Number: WP059, Ring Set Part Number: 780XAS-2, Rod Part Number: P4001. Cross-Reference OEM Part Numbers include Wossner Part No: 8587DB. Weight is 240 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"78mm"},{"label":"Variant Id","value":"256200"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55146_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55146_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55146_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55146_3.jpg"],"description":"Wossner 78.01mm forged piston kit is designed for strength and durability. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability. Features forged construction for enhanced strength and longevity, optimized heat transfer for improved engine performance, and an elliptical design that prevents piston collapse and ensures even load distribution. Manufactured in Germany for high-quality standards. Specifications include Bore Size: 78.01mm, Actual Bore Diameter: 77.96mm, Displacement: 249 cm³, Stroke: 52.20mm, Clearance: 0.05mm, Wossner Compression Ratio: OEM, OEM Compression Ratio: 12.90:1, Dome Volume: -1.00 cm³, Compression Height: 18.90mm, Gasket Part Number: D4004, Lock Part Number: CW16, Pin Part Number: WP059, Ring Set Part Number: 780XAS-2, Rod Part Number: P4001. Cross-Reference OEM Part Numbers include Wossner Part No: 8587DB. Weight is 240 grams.","descriptionMarkdown":"### Wossner Forged Piston Kit 78.01mm Bore\n\nExperience enhanced strength and durability with the Wossner 78.01mm forged piston kit. Engineered for optimal performance, this piston kit features superior heat transfer for efficient combustion chamber cooling. Its innovative elliptical design ensures a uniform bearing surface, effectively reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Crafted in Germany, this kit represents precision and reliability.\n\n#### Key Features:\n\n\t\n- Forged construction for superior strength and longevity\n\t\n- Optimized heat transfer for improved engine performance and cooling\n\t\n- Elliptical design to prevent piston collapse and ensure even load distribution\n\t\n- High-quality manufacturing standards from Germany\n\n#### Specifications:\n\n\t\n- Bore Size: 78.01mm\n\t\n- Actual Bore Diameter: 77.96mm\n\t\n- Displacement: 249 cm&sup3;\n\t\n- Stroke: 52.20mm\n\t\n- Clearance: 0.05mm\n\t\n- Wossner Compression Ratio: OEM\n\t\n- OEM Compression Ratio: 12.90:1\n\t\n- Dome Volume: -1.00 cm&sup3;\n\t\n- Compression Height: 18.90mm\n\t\n- Gasket Part Number: D4004\n\t\n- Lock Part Number: CW16\n\t\n- Pin Part Number: WP059\n\t\n- Ring Set Part Number: 780XAS-2\n\t\n- Rod Part Number: P4001\n\n**Manufacturer:** Wossner","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2004–2009"},{"make":"HONDA","model":"CRF 250X","cc":null,"notes":null,"years":"2004–2017"}],"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-04-05-crf250r-7800-forged-piston-kit-8587db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/e6789dfb0b9a:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/e6789dfb0b9a: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."]}}