{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ac396921653f","name":"PISTON KIT 85-86 ATC350 81.50, FORGED WOSSNER 8598D050","sku":"56-W4393+0.5","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":150.06,"formatted":"£150.06"},"summary":"Wossner forged piston kit 8598D050. Bore size 81.50 mm, actual bore 81.44 mm, stroke 68.00 mm, clearance 0.06 mm, compression height 26.70 mm, dome volume +0.60 cm&sup3;, compression ratio 10.30:1 (OEM), displacement 350 cm&sup3;. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Designed for 4-stroke engines. Made in Germany. Wossner part number 8598D050. Cross-reference OEM part numbers: Lock P/N CW21, Pin P/N WP034, Ring Set P/N 815XSY.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"81.50mm"},{"label":"Variant Id","value":"255616"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4393_2B0_2E5/ab759c46bd49125b.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4393_2B0_2E5/ab759c46bd49125b.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4393_2B0_2E5/05851422921327ec.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4393_2B0_2E5/20b066ba32747a45.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4393_2B0_2E5/c7749de555baa6d9.jpg"],"description":"Wossner forged piston kit 8598D050. Bore size 81.50 mm, actual bore 81.44 mm, stroke 68.00 mm, clearance 0.06 mm, compression height 26.70 mm, dome volume +0.60 cm&sup3;, compression ratio 10.30:1 (OEM), displacement 350 cm&sup3;. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Designed for 4-stroke engines. Made in Germany. Wossner part number 8598D050. Cross-reference OEM part numbers: Lock P/N CW21, Pin P/N WP034, Ring Set P/N 815XSY.","descriptionMarkdown":"### Wossner Forged Piston Kit 85.50mm for 4-Stroke Engines\n\nUpgrade your engine's performance and durability with this high-quality forged piston kit from Wossner. Engineered in Germany, this piston is designed for superior strength, efficient heat transfer, and reduced wear. The innovative elliptical design ensures even load distribution across the piston, preventing localized pressure points and enhancing overall engine longevity.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides exceptional strength and durability compared to cast pistons.\n\t\n- Optimized Heat Transfer: Enhances thermal efficiency for improved engine performance.\n\t\n- Elliptical Design: Promotes uniform load distribution on the bearing surface, minimizing wear and preventing piston collapse.\n\t\n- 4-Stroke Engine Compatibility: Specifically designed for 4-stroke engine applications.\n\n**Specifications:**\n\n\t\n- Bore Size: 81.50 mm\n\t\n- Actual Bore: 81.44 mm\n\t\n- Stroke: 68.00 mm\n\t\n- Clearance: 0.06 mm\n\t\n- Compression Height: 26.70 mm\n\t\n- Dome Volume: +0.60 cm&sup3;\n\t\n- Compression Ratio: 10.30:1 (OEM)\n\t\n- Displacement: 350 cm&sup3;\n\t\n- Manufacturing Origin: Germany\n\n**Wossner Part Details:**\n\n\t\n- Wossner Piston Part Number: 8598D050\n\t\n- Lock Ring Part Number: CW21\n\t\n- Piston Pin Part Number: WP034\n\t\n- Ring Set Part Number: 815XSY","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-85-86-atc350-8150-forged-wossner-8598d050","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."]}}