{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cca71942f1b6","name":"PISTON KIT KTM350 EXC-F 88mm A, WOSSNER 8941DA COMP 12.5:1 79230507000","sku":"56-W9950.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":208.24,"formatted":"£208.24"},"summary":"The Wossner 8941DA piston kit is a forged, high-performance component engineered for precision and durability in 4-stroke off-road motorcycles. Designed with an 88.00mm standard bore and a compression ratio of 12.5:1, it ensures efficient heat transfer and optimal combustion. Manufactured in Germany, the piston’s elliptical design supports uniform expansion under thermal stress, preventing localised pressure points and piston failure. Features include forged piston construction for enhanced strength, optimised combustion heat transfer to cylinder walls, and an elliptical shape for even pressure distribution and thrust load balance, designed to prevent piston collapse. This kit includes piston, rings (880XSY), pin (WP054), and circlips (CW18). Specifications: Bore: 88.00mm (STD), Diameter: 87.95mm, Compression Ratio: 12.5:1, Wossner Part Number: 8941DA, Kit Part Number: 56-W9950.A.WO. Made in Germany. Cross-reference OEM Part Numbers: 79230507000, 40166M08800.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"88.00mm"},{"label":"Variant Id","value":"259294"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock58240_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock58240_1.jpg"],"description":"The Wossner 8941DA piston kit is a forged, high-performance component engineered for precision and durability in 4-stroke off-road motorcycles. Designed with an 88.00mm standard bore and a compression ratio of 12.5:1, it ensures efficient heat transfer and optimal combustion. Manufactured in Germany, the piston’s elliptical design supports uniform expansion under thermal stress, preventing localised pressure points and piston failure. Features include forged piston construction for enhanced strength, optimised combustion heat transfer to cylinder walls, and an elliptical shape for even pressure distribution and thrust load balance, designed to prevent piston collapse. This kit includes piston, rings (880XSY), pin (WP054), and circlips (CW18). Specifications: Bore: 88.00mm (STD), Diameter: 87.95mm, Compression Ratio: 12.5:1, Wossner Part Number: 8941DA, Kit Part Number: 56-W9950.A.WO. Made in Germany. Cross-reference OEM Part Numbers: 79230507000, 40166M08800.","descriptionMarkdown":"### Wossner Forged Piston Kit for 4-Stroke Off-Road Motorcycles - 88.00mm Bore, 12.5:1 Compression\n\nEnhance the performance and reliability of your off-road motorcycle with the Wossner 8941DA forged piston kit. Engineered for demanding conditions, this high-quality component is manufactured in Germany to exacting standards.\n\nThe piston features an 88.00mm standard bore and a 12.5:1 compression ratio, designed to optimize combustion efficiency and heat transfer. Its advanced elliptical shape ensures uniform expansion under thermal stress, preventing localized pressure points and contributing to exceptional durability. This design actively works to prevent piston collapse, ensuring consistent performance over time.\n\n**Key Features:**\n\n \n- Forged piston construction for superior strength and longevity.\n \n- Optimized for efficient heat transfer from the combustion chamber to the cylinder walls.\n \n- Elliptical piston design promotes even pressure distribution and balances thrust loads.\n \n- Engineered to prevent piston collapse under stress.\n \n- Includes all necessary components for a complete installation: piston, rings (880XSY), pin (WP054), and circlips (CW18).\n\n**Specifications:**\n\n \n- Bore Size: 88.00mm (STD)\n \n- Piston Diameter: 87.95mm\n \n- Compression Ratio: 12.5:1\n \n- Wossner Part Number: 8941DA\n \n- Manufacturing Origin: Germany\n\n**Cross-Reference OEM Part Numbers:**\n\n \n- 79230507000\n \n- 40166M08800","weightGrams":null,"fitments":[{"make":"KTM","model":"350 EXC-F","cc":null,"notes":null,"years":"2017–2019"}],"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-ktm350-exc-f-88mm-a-wossner-8941da-comp-1251-79230507000","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cca71942f1b6:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cca71942f1b6:1"}},"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."]}}