{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1ea19fa0f45a","name":"PISTON KIT 1983 CR80 51.00, FORGED WOSSNER 8278D150","sku":"56-W493+150.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":88.94,"formatted":"£88.94"},"summary":"Wossner 8278D150 forged piston kit with a 51.00mm bore. Engineered in Germany, this piston provides enhanced durability, heat transfer, and structural integrity. Its elliptical profile ensures even thrust load distribution under thermal expansion, reducing the risk of localized pressure and piston failure. Features forged piston construction for improved strength and performance, optimized heat transfer from the combustion chamber to cylinder walls, and an elliptical design that distributes pressure evenly during heat expansion, minimizing the risk of piston collapse under stress. Manufactured in Germany. Specifications: Bore 51.00 mm, Actual Bore Diameter 50.95 mm, Display 79 cm&sup3;, Hub Stroke 41.40 mm, Clearance 0.05 mm, Compression Height 25.00 mm, Dome Volume not specified, Wossner Compression Ratio 2-stroke, OEM Compression Ratio 2-stroke. Cross-Reference OEM Part Numbers: Piston 8278D150, Lock CW12, Pin WP091, Ring Set RSB5100 x 2, Needle Bearing N1004. Part No. 56-W493+150.WO. Weight 158g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"51mm"},{"label":"Variant Id","value":"256406"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W493_2B150_2EWO/7d7e648b8b588186.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W493_2B150_2EWO/7d7e648b8b588186.jpg"],"description":"Wossner 8278D150 forged piston kit with a 51.00mm bore. Engineered in Germany, this piston provides enhanced durability, heat transfer, and structural integrity. Its elliptical profile ensures even thrust load distribution under thermal expansion, reducing the risk of localized pressure and piston failure. Features forged piston construction for improved strength and performance, optimized heat transfer from the combustion chamber to cylinder walls, and an elliptical design that distributes pressure evenly during heat expansion, minimizing the risk of piston collapse under stress. Manufactured in Germany. Specifications: Bore 51.00 mm, Actual Bore Diameter 50.95 mm, Display 79 cm&sup3;, Hub Stroke 41.40 mm, Clearance 0.05 mm, Compression Height 25.00 mm, Dome Volume not specified, Wossner Compression Ratio 2-stroke, OEM Compression Ratio 2-stroke. Cross-Reference OEM Part Numbers: Piston 8278D150, Lock CW12, Pin WP091, Ring Set RSB5100 x 2, Needle Bearing N1004. Part No. 56-W493+150.WO. Weight 158g.","descriptionMarkdown":"### Wossner Forged Piston Kit 51.00mm Bore\n\n Upgrade your engine's performance and durability with the Wossner 8278D150 forged piston kit. Engineered with precision in Germany, this piston boasts superior strength, enhanced heat transfer capabilities, and improved structural integrity compared to cast pistons. The innovative elliptical profile is meticulously designed to distribute thrust loads evenly as the piston expands with heat, significantly reducing localized pressure and the risk of piston failure.\n\n#### Key Features:\n\n \n- Forged Piston Construction: Provides exceptional strength and resistance to stress for demanding applications.\n \n- Optimized Heat Transfer: Efficiently moves heat from the combustion chamber to the cylinder walls for better thermal management.\n \n- Elliptical Piston Design: Ensures uniform pressure distribution during thermal expansion, preventing hot spots and deformation.\n \n- Reduced Risk of Piston Collapse: Engineered to withstand extreme conditions without compromising integrity.\n \n- German Engineering: Manufactured to high standards for reliability and performance.\n\n#### Specifications:\n\n \n- Bore: 51.00 mm\n \n- Actual Bore Diameter: 50.95 mm\n \n- Display (Cubic Capacity): 79 cm&sup3;\n \n- Hub Stroke: 41.40 mm\n \n- Clearance: 0.05 mm\n \n- Compression Height: 25.00 mm\n \n- Wossner Compression Ratio: 2-stroke\n \n- OEM Compression Ratio: 2-stroke","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-1983-cr80-5100-forged-wossner-8278d150","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1ea19fa0f45a:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1ea19fa0f45a: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."]}}