{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b5c49507b7cc","name":"PISTON KIT 06-13 YFZ450 94 C, FORGED WOSSNER 8784DC","sku":"56-W250.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":208.24,"formatted":"£208.24"},"summary":"Wossner forged piston kit with 95.02mm bore and 94.97mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Specifications include a 449 cm³ display, 63.40mm stroke, 0.05mm clearance, 11.60:1 Wossner compression ratio, 11.40:1 OEM compression ratio, -8.50 cm³ dome volume, and 25.10mm compression height. Cross-reference OEM part numbers include Wossner Piston Yamaha YFZ450 (PN# 8784DC), Lock P/N CW20, Pin P/N WP029, and Ring Set P/N 950XDS. Weight is 416 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"94mm"},{"label":"Variant Id","value":"255210"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54156_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54156_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54156_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54156_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54156_4.jpg"],"description":"Wossner forged piston kit with 95.02mm bore and 94.97mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Specifications include a 449 cm³ display, 63.40mm stroke, 0.05mm clearance, 11.60:1 Wossner compression ratio, 11.40:1 OEM compression ratio, -8.50 cm³ dome volume, and 25.10mm compression height. Cross-reference OEM part numbers include Wossner Piston Yamaha YFZ450 (PN# 8784DC), Lock P/N CW20, Pin P/N WP029, and Ring Set P/N 950XDS. Weight is 416 grams.","descriptionMarkdown":"### Wossner Forged Piston Kit 8784DC\n\nThis high-performance Wossner forged piston kit is engineered for optimal power and durability. Manufactured in Germany, it features advanced design elements to enhance engine performance and longevity. The forged construction provides exceptional strength, while the precision dimensions ensure a perfect fit and efficient operation.\n\n**Key Features:**\n\n\t\n- Forged Construction: Offers superior strength and resistance to extreme conditions compared to cast pistons.\n\t\n- Optimized Heat Transfer: Designed to efficiently transfer heat to cylinder walls, promoting stable operating temperatures and preventing detonation.\n\t\n- Elliptical Design: Features an elliptical piston skirt shape that adapts to thermal expansion, creating a uniform bearing surface under heat. This reduces localized pressure, evenly distributes thrust loads, and prevents piston collapse.\n\t\n- Precision Manufacturing: Manufactured in Germany to exacting standards for reliable performance.\n\n**Specifications:**\n\n\t\n- Bore: 95.02mm\n\t\n- Diameter: 94.97mm\n\t\n- Display (cm³): 449\n\t\n- Stroke (mm): 63.40\n\t\n- Clearance (mm): 0.05\n\t\n- Wossner Compression Ratio: 11.60:1\n\t\n- OEM Compression Ratio: 11.40:1\n\t\n- Dome Volume (cm³): -8.50\n\t\n- Compression Height (mm): 25.10\n\n**Component Details:**\n\n\t\n- Piston Part Number: 8784DC\n\t\n- Lock P/N: CW20\n\t\n- Pin P/N: WP029\n\t\n- Ring Set P/N: 950XDS","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YFZ 450","cc":null,"notes":null,"years":"2006–2017"}],"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-06-13-yfz450-94-c-forged-wossner-8784dc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b5c49507b7cc:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b5c49507b7cc: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."]}}