{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"67cd85cb0795","name":"PISTON KIT 03-16 CRF230F 65.50, FORGED WOSSNER 8774DA, 13101-KFB-750","sku":"56-W4816+00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":172.51,"formatted":"£172.51"},"summary":"Wossner 65.50mm forged piston kit is engineered for strength and durability, featuring optimal heat transfer for efficient cooling of the combustion chamber. Its elliptical design ensures a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability. Includes 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 include a bore size of 65.50mm, actual bore diameter of 65.46mm, displacement of 230 cm&sup3;, stroke of 66.20mm, clearance of 0.04mm, Wossner compression ratio of 11.00:1, OEM compression ratio of 9.00:1, dome volume of +3.10 cm&sup3;, compression height of 21.20mm, and gasket part number D4002, lock part number CW15, pin part number WP011, ring set part number 655XKS, and rod part number P4053. Cross-reference OEM part numbers include 13101-KFB-750. Wossner part number is 8774DA.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"65.5mm"},{"label":"Variant Id","value":"256153"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55099_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55099_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55099_2.jpg"],"description":"Wossner 65.50mm forged piston kit is engineered for strength and durability, featuring optimal heat transfer for efficient cooling of the combustion chamber. Its elliptical design ensures a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability. Includes 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 include a bore size of 65.50mm, actual bore diameter of 65.46mm, displacement of 230 cm&sup3;, stroke of 66.20mm, clearance of 0.04mm, Wossner compression ratio of 11.00:1, OEM compression ratio of 9.00:1, dome volume of +3.10 cm&sup3;, compression height of 21.20mm, and gasket part number D4002, lock part number CW15, pin part number WP011, ring set part number 655XKS, and rod part number P4053. Cross-reference OEM part numbers include 13101-KFB-750. Wossner part number is 8774DA.","descriptionMarkdown":"### Wossner 65.50mm Forged Piston Kit\n\nEnhance your engine's strength and durability with the Wossner 65.50mm forged piston kit. This precision-engineered piston is designed for optimal heat transfer, ensuring efficient cooling of the combustion chamber. Its unique elliptical design creates a uniform bearing surface, which minimizes localized pressure and distributes thrust loads evenly, thereby preventing piston collapse.\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 that prevents piston collapse and ensures even load distribution.\n\t\n- Manufactured in Germany, guaranteeing high-quality standards and reliability.\n\n**Specifications:**\n\n\t\n- Bore Size: 65.50mm\n\t\n- Actual Bore Diameter: 65.46mm\n\t\n- Displacement: 230 cm&sup3;\n\t\n- Stroke: 66.20mm\n\t\n- Clearance: 0.04mm\n\t\n- Wossner Compression Ratio: 11.00:1\n\t\n- OEM Compression Ratio: 9.00:1\n\t\n- Dome Volume: +3.10 cm&sup3;\n\t\n- Compression Height: 21.20mm\n\t\n- Gasket Part Number: D4002\n\t\n- Lock Part Number: CW15\n\t\n- Pin Part Number: WP011\n\t\n- Ring Set Part Number: 655XKS\n\t\n- Rod Part Number: P4053\n\n**Cross-Reference OEM Part Numbers:**\n\n\t\n- 13101-KFB-750\n\t\n- Wossner Part No: 8774DA","weightGrams":null,"fitments":[],"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-03-16-crf230f-6550-forged-wossner-8774da-13101-kfb-750","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/67cd85cb0795:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/67cd85cb0795:1"}},"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."]}}