{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ceeaa7ec238b","name":"PISTON KIT 82-83 YZ80 47.50, FORGED WOSSNER 8185D050","sku":"56-W477+050.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":88.94,"formatted":"£88.94"},"summary":"Wossner 47.50mm Bore Piston Kit (PN# 8185D050). This forged piston ensures high strength, efficient heat transfer, and durability. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, this piston meets OEM compression standards. Features include high-strength forged piston for durability and performance, optimized heat transfer for efficient combustion, and an elliptical design that prevents piston collapse and ensures even load distribution. Specifications: Bore 47.50mm, Actual diameter 47.45mm, Display (cm³) 79, Stroke (mm) 55.50, Clearance (mm) 0.05, Compression Ratio OEM, OEM Compression Ratio 11.10:1, Dome Volume (cm³) -0.20, Compression Height (mm) 22.80. Cross-Reference OEM Part Numbers: Lock CW12, Pin WP091, Ring Set RSB4750.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"47.5mm"},{"label":"Variant Id","value":"256043"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54989_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54989_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54989_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54989_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54989_4.jpg"],"description":"Wossner 47.50mm Bore Piston Kit (PN# 8185D050). This forged piston ensures high strength, efficient heat transfer, and durability. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, this piston meets OEM compression standards. Features include high-strength forged piston for durability and performance, optimized heat transfer for efficient combustion, and an elliptical design that prevents piston collapse and ensures even load distribution. Specifications: Bore 47.50mm, Actual diameter 47.45mm, Display (cm³) 79, Stroke (mm) 55.50, Clearance (mm) 0.05, Compression Ratio OEM, OEM Compression Ratio 11.10:1, Dome Volume (cm³) -0.20, Compression Height (mm) 22.80. Cross-Reference OEM Part Numbers: Lock CW12, Pin WP091, Ring Set RSB4750.","descriptionMarkdown":"### Wossner 47.50mm Forged Piston Kit\n\nEnhance the performance and durability of your motorcycle with this high-quality forged piston kit from Wossner. Engineered for precision and strength, this piston is designed to meet demanding riding conditions and deliver optimal engine performance.\n\n**Key Features:**\n\n \n- High Strength Forged Construction: Crafted from premium forged materials for exceptional durability and resistance to high stresses.\n \n- Optimized Heat Transfer: Designed for efficient heat dissipation, ensuring consistent performance and longevity.\n \n- Elliptical Piston Design: Features an elliptical profile that maintains a uniform bearing surface under thermal expansion. This reduces localized pressure and evenly distributes thrust loads, preventing piston collapse.\n \n- OEM Compression Standards: Manufactured to meet original equipment manufacturer (OEM) compression specifications for reliable integration.\n \n- German Engineering: Precision manufactured in Germany, ensuring high standards of quality and craftsmanship.\n\n**Specifications:**\n\n \n- Bore Size: 47.50mm\n \n- Actual Diameter: 47.45mm\n \n- Displacement (cm³): 79\n \n- Stroke (mm): 55.50\n \n- Clearance (mm): 0.05\n \n- Compression Ratio: OEM\n \n- OEM Compression Ratio: 11.10:1\n \n- Dome Volume (cm³): -0.20\n \n- Compression Height (mm): 22.80","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-82-83-yz80-4750-forged-wossner-8185d050","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ceeaa7ec238b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ceeaa7ec238b: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."]}}