{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"bc2b028eba10","name":"PISTON KIT 04-05 CRF250R 78.00, FORGED PISTON KIT 8587DC","sku":"56-W4829.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.86,"formatted":"£182.86"},"summary":"Wossner 78.02mm 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: Bore Size 78.02mm, Actual Bore Diameter 77.97mm, Displacement 249 cm&sup3;, Stroke 52.20mm, Clearance 0.05mm, Wossner Compression Ratio OEM, OEM Compression Ratio 12.90:1, Dome Volume -1.00 cm&sup3;, 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. Wossner part number 8587DC.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"78mm"},{"label":"Variant Id","value":"256203"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55149_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55149_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55149_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55149_3.jpg"],"description":"Wossner 78.02mm 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: Bore Size 78.02mm, Actual Bore Diameter 77.97mm, Displacement 249 cm&sup3;, Stroke 52.20mm, Clearance 0.05mm, Wossner Compression Ratio OEM, OEM Compression Ratio 12.90:1, Dome Volume -1.00 cm&sup3;, 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. Wossner part number 8587DC.","descriptionMarkdown":"### Wossner 78.02mm Forged Piston Kit for Enhanced Performance and Durability\n\nUpgrade your engine with the Wossner 78.02mm forged piston kit, engineered for superior strength and longevity. This premium piston kit is designed to optimize heat transfer, ensuring efficient cooling of the combustion chamber for improved performance. Its advanced elliptical design creates a uniform bearing surface, effectively reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured to exacting standards in Germany, this kit guarantees precision and reliability for demanding applications.\n\n**Key Features:**\n\n- Forged Construction: Provides exceptional strength and extended durability.\n\n- Optimized Heat Transfer: Promotes efficient cooling and enhances engine performance.\n\n- Elliptical Design: Prevents piston collapse and ensures even load distribution for a smoother operation.\n\n- German Manufacturing: Guarantees high-quality standards and precision engineering.\n\n**Specifications:**\n\n- Bore Size: 78.02mm\n\n- Actual Bore Diameter: 77.97mm\n\n- Displacement: 249 cm&sup3;\n\n- Stroke: 52.20mm\n\n- Clearance: 0.05mm\n\n- Wossner Compression Ratio: OEM\n\n- OEM Compression Ratio: 12.90:1\n\n- Dome Volume: -1.00 cm&sup3;\n\n- Compression Height: 18.90mm\n\n**Included Components:**\n\n- Gasket Part Number: D4004\n\n- Lock Part Number: CW16\n\n- Pin Part Number: WP059\n\n- Ring Set Part Number: 780XAS-2\n\n- Rod Part Number: P4001\n\n**Manufacturer Part Number:** 8587DC","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-8587dc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/bc2b028eba10:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/bc2b028eba10:1"}},"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."]}}