{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"86df1516fe30","name":"PISTON 73-81 MAICO 400 77.50, FORGED WOSSNER 8047D050 KIT","sku":"56-W142+0.50","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":195.02,"formatted":"£195.02"},"summary":"Wossner 77.50mm forged piston kit for Maico 400 models from 1973 to 1981. Features an optimized design for efficient heat transfer, uniform expansion, and reduced localized pressure. The elliptical shape distributes thrust loads evenly, preventing piston collapse. Made in Germany with high-quality standards for reliable performance. Specifications include a bore size of 77.50mm (77.42mm), oversize +0.50mm, displacement 386cc, stroke 83.00mm, clearance 0.08mm, 2-stroke compression ratio, compression height 41.70mm, lock part number CW18, pin part number WP039, and ring set part number RSC7750. Weight is 422 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77.5mm"},{"label":"Variant Id","value":"254687"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W142_2B0_2E50/01dc6bdda178e10c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W142_2B0_2E50/01dc6bdda178e10c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W142_2B0_2E50/6ff988dd1a0a6283.jpg"],"description":"Wossner 77.50mm forged piston kit for Maico 400 models from 1973 to 1981. Features an optimized design for efficient heat transfer, uniform expansion, and reduced localized pressure. The elliptical shape distributes thrust loads evenly, preventing piston collapse. Made in Germany with high-quality standards for reliable performance. Specifications include a bore size of 77.50mm (77.42mm), oversize +0.50mm, displacement 386cc, stroke 83.00mm, clearance 0.08mm, 2-stroke compression ratio, compression height 41.70mm, lock part number CW18, pin part number WP039, and ring set part number RSC7750. Weight is 422 grams.","descriptionMarkdown":"### Wossner Forged Piston Kit for Maico 400 (1973-1981)\n\nEnhance the performance and reliability of your Maico 400 with this premium Wossner forged piston kit. Engineered with precision in Germany, this piston is designed for superior strength and durability, ensuring optimal engine operation.\n\n**Key Features:**\n\n\t\n- Forged Construction: Wossner forged pistons offer exceptional strength and resistance to extreme conditions, providing long-lasting performance.\n\t\n- Optimized Heat Transfer: The piston design promotes efficient heat transfer to the cylinder walls, leading to uniform expansion and preventing localized pressure buildup.\n\t\n- Elliptical Design: This feature ensures an even distribution of thrust loads across the bearing surface, effectively preventing piston collapse and maintaining consistent performance.\n\t\n- Precision Engineering: Manufactured to exacting standards, this piston is precision-engineered to prevent common issues like piston collapse, ensuring reliable engine function.\n\t\n- High-Quality Manufacturing: Proudly made in Germany, reflecting a commitment to superior craftsmanship and material quality.\n\n**Specifications:**\n\n\t\n- Bore Size: 77.50mm (77.42mm)\n\t\n- Oversize: +0.50mm\n\t\n- Stroke: 83.00mm\n\t\n- Clearance: 0.08mm\n\t\n- Compression Ratio: 2-stroke\n\t\n- Compression Height: 41.70mm\n\t\n- Lock Part Number: CW18\n\t\n- Pin Part Number: WP039\n\t\n- Ring Set Part Number: RSC7750","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-400-7750-forged-wossner-8047d050-kit","buyOneNow":null,"basketWithThis":null}},"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."]}}