{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"6ce9af8accf5","name":"PISTON KIT KXF RMZ 250 77.00 C, FORGED WOSSNER 8582DC","sku":"56-W4842.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.86,"formatted":"£182.86"},"summary":"Wossner 77.02mm forged piston kit engineered for strength and durability. Designed 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 include 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. Specifications: Bore Size: 77.02mm, Actual Bore Diameter: 76.98mm, Displacement: 249 cm&sup3;, Stroke: 53.60mm, Clearance: 0.04mm, Wossner Compression Ratio: 12.10:1, OEM Compression Ratio: 12.60:1, Dome Volume: -5.90 cm&sup3;, Compression Height: 19.60mm, Gasket Part Number: D4013, Lock Part Number: CW16, Pin Part Number: WP059, Ring Set Part Number: 770XAS, Rod Part Number: P4002. Cross-Reference OEM Part Numbers: Part No: 56-W4842.C.WO, Wossner Part No: 8582DC.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"256244"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55190_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55190_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55190_2.jpg"],"description":"Wossner 77.02mm forged piston kit engineered for strength and durability. Designed 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 include 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. Specifications: Bore Size: 77.02mm, Actual Bore Diameter: 76.98mm, Displacement: 249 cm&sup3;, Stroke: 53.60mm, Clearance: 0.04mm, Wossner Compression Ratio: 12.10:1, OEM Compression Ratio: 12.60:1, Dome Volume: -5.90 cm&sup3;, Compression Height: 19.60mm, Gasket Part Number: D4013, Lock Part Number: CW16, Pin Part Number: WP059, Ring Set Part Number: 770XAS, Rod Part Number: P4002. Cross-Reference OEM Part Numbers: Part No: 56-W4842.C.WO, Wossner Part No: 8582DC.","descriptionMarkdown":"### Wossner 77.02mm Forged Piston Kit\n\nEnhance your engine's performance and durability with this Wossner 77.02mm forged piston kit. Engineered in Germany, this high-quality piston is designed for optimal strength and longevity.\n\nThe forged construction provides superior resilience compared to cast pistons, ensuring it can withstand the demands of high-performance applications. Its specialized elliptical design offers a uniform bearing surface, which effectively reduces localized pressure and distributes thrust loads evenly. This intelligent design prevents piston collapse and contributes to a smoother engine operation.\n\nThis piston kit is engineered for optimal heat transfer, which is crucial for efficient cooling of the combustion chamber. This contributes to improved engine performance and helps maintain consistent operating temperatures.\n\n### Key Features\n\n \n- Forged construction for exceptional strength and extended lifespan.\n \n- Optimized heat transfer capabilities for improved engine cooling and performance.\n \n- Unique elliptical design prevents piston collapse and ensures even load distribution across the cylinder wall.\n \n- Precision manufactured in Germany, guaranteeing high-quality standards and reliability.\n\n### Specifications\n\n \n- Bore Size: 77.02mm\n \n- Actual Bore Diameter: 76.98mm\n \n- Displacement: 249 cm&sup3;\n \n- Stroke: 53.60mm\n \n- Clearance: 0.04mm\n \n- Wossner Compression Ratio: 12.10:1\n \n- OEM Compression Ratio: 12.60:1\n \n- Dome Volume: -5.90 cm&sup3;\n \n- Compression Height: 19.60mm\n \n- Gasket Part Number: D4013\n \n- Lock Part Number: CW16\n \n- Pin Part Number: WP059\n \n- Ring Set Part Number: 770XAS\n \n- Rod Part Number: P4002","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2004–2009"},{"make":"SUZUKI","model":"RM-Z 250","cc":null,"notes":null,"years":"2004–2009"}],"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-kxf-rmz-250-7700-c-forged-wossner-8582dc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/6ce9af8accf5:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/6ce9af8accf5:1"}},"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."]}}