{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"22a9019b7be6","name":"PISTON KIT 01-04 YZF250 80.00, 8572D300 WOSSNER 2-RING","sku":"56-W022+300.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":107.5,"formatted":"£107.50"},"summary":"Wossner forged 2-ring Pro Series piston kit. Features a forged construction for enhanced durability and optimized heat transfer. The elliptical design prevents localized pressure and piston collapse. Bore: 79.96 mm, Piston Size: 80.00 mm, Displacement: 249 cm&sup3;, Stroke: 53.60 mm, Clearance: 0.04 mm, Wossner Compression Ratio: 12.80:1, OEM Compression Ratio: 12.50:1, Dome Volume: -4.80 cm&sup3;, Compression Height: 20.50 mm. Lock: CW16, Pin: WP059, Ring Set: 770XAS, Rod: P4006 / P4005. Manufactured in Germany.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"254290"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W022_2B300_2EWO/42121986312c0624.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W022_2B300_2EWO/42121986312c0624.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W022_2B300_2EWO/61418cc6352d24cc.jpg"],"description":"Wossner forged 2-ring Pro Series piston kit. Features a forged construction for enhanced durability and optimized heat transfer. The elliptical design prevents localized pressure and piston collapse. Bore: 79.96 mm, Piston Size: 80.00 mm, Displacement: 249 cm&sup3;, Stroke: 53.60 mm, Clearance: 0.04 mm, Wossner Compression Ratio: 12.80:1, OEM Compression Ratio: 12.50:1, Dome Volume: -4.80 cm&sup3;, Compression Height: 20.50 mm. Lock: CW16, Pin: WP059, Ring Set: 770XAS, Rod: P4006 / P4005. Manufactured in Germany.","descriptionMarkdown":"### Wossner Forged 2-Ring Piston Kit for YZF250\n\nThis Wossner forged piston kit is engineered for superior strength and performance in YZF250 motorcycles. Its advanced design focuses on optimal heat transfer from the combustion chamber to the cylinder walls. The elliptical piston shape ensures a uniform bearing surface even under extreme heat expansion, effectively reducing localized pressure and distributing thrust loads evenly to prevent piston collapse.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides enhanced durability and resilience for demanding use.\n\t\n- Optimized Heat Transfer: Promotes efficient cooling for improved engine performance and longevity.\n\t\n- Elliptical Design: Prevents localized pressure points and guards against piston collapse.\n\t\n- Pro Series 2-Ring Configuration: Delivers enhanced sealing capabilities and extended ring life.\n\t\n- German Manufacturing: Built to exacting standards in Germany.\n\n**Specifications:**\n\n\t\n- Bore: 79.96 mm\n\t\n- Piston Size: 80.00 mm\n\t\n- Displacement: 249 cm&sup3;\n\t\n- Stroke: 53.60 mm\n\t\n- Clearance: 0.04 mm\n\t\n- Wossner Compression Ratio: 12.80:1\n\t\n- OEM Compression Ratio: 12.50:1\n\t\n- Dome Volume: -4.80 cm&sup3;\n\t\n- Compression Height: 20.50 mm\n\n**Component References:**\n\n\t\n- Lock: CW16\n\t\n- Pin: WP059\n\t\n- Ring Set: 770XAS\n\t\n- Rod: P4006 / P4005","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-01-04-yzf250-8000-8572d300-wossner-2-ring","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/22a9019b7be6:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/22a9019b7be6:1"}},"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."]}}