{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"29f37405c809","name":"PISTON 73-81 MAICO 440 82.50, FORGED WOSSNER KIT 8099D050","sku":"56-W143+0.50","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":195.02,"formatted":"£195.02"},"summary":"Wossner 8099D050 forged piston kit with an 82.50mm bore (+0.50mm). Designed for Maico MC/MD 440 models from 1973 to 1981. Features Wossner forged pistons known for superior strength and design, engineered for efficient combustion chamber heat transfer to cylinder walls. The elliptical design provides a more uniform bearing surface under piston heat expansion, preventing collapse. Made in Germany. Includes lock CA18, pin WP039, and ring set RSC8250. Specifications: 438 cm&sup3; displacement, 83.00mm hub stroke, 0.08mm clearance, 41.70mm compression height.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"82.5mm"},{"label":"Variant Id","value":"254693"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock53639_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock53639_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53639_2.jpg"],"description":"Wossner 8099D050 forged piston kit with an 82.50mm bore (+0.50mm). Designed for Maico MC/MD 440 models from 1973 to 1981. Features Wossner forged pistons known for superior strength and design, engineered for efficient combustion chamber heat transfer to cylinder walls. The elliptical design provides a more uniform bearing surface under piston heat expansion, preventing collapse. Made in Germany. Includes lock CA18, pin WP039, and ring set RSC8250. Specifications: 438 cm&sup3; displacement, 83.00mm hub stroke, 0.08mm clearance, 41.70mm compression height.","descriptionMarkdown":"### Wossner 82.50mm Forged Piston Kit for Maico MC/MD 440 (1973-1981)\n\nUpgrade your Maico MC/MD 440 motorcycle with this high-performance Wossner forged piston kit. Designed for Maico models produced between 1973 and 1981, this kit features an 82.50mm bore (+0.50mm oversize) for optimal engine performance. Wossner pistons are renowned for their superior strength and advanced design, ensuring durability and power.\n\n**Key Features:**\n\n\t\n- Premium Forged Construction: Wossner forged pistons offer exceptional strength and resistance to extreme operating conditions.\n\t\n- Enhanced Heat Transfer: Engineered to efficiently transfer combustion chamber heat to the cylinder walls, contributing to optimal engine temperature management.\n\t\n- Elliptical Piston Design: The elliptical shape ensures a more uniform bearing surface, even under the thermal expansion of the piston, preventing collapse and maintaining performance.\n\t\n- Complete Kit: Includes all necessary components for a seamless installation: Lock (CA18), Pin (WP039), and Ring Set (RSC8250).\n\t\n- German Engineering: Manufactured in Germany, guaranteeing precision and quality.\n\t\n- Specifications:\n\t\n Bore Size: 82.50mm (+0.50mm)\n \n- Engine Displacement: 438 cm&sup3;\n \n- Stroke: 83.00mm\n \n- Piston Clearance: 0.08mm\n \n- Compression Height: 41.70mm","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-73-81-maico-440-8250-forged-wossner-kit-8099d050","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/29f37405c809:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/29f37405c809:1"}},"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."]}}