{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"23fd06d19fdb","name":"PISTON KIT 85-00 XR600R 97.50, FORGED WOSSNER 8574D050","sku":"56-W4577.P2.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":220.73,"formatted":"£220.73"},"summary":"Wossner 97.50mm forged piston kit features optimized heat transfer and uniform load distribution for optimal combustion chamber performance. Engineered to reduce localized pressure and prevent piston collapse, this piston is made in Germany for durability and performance. Features include forged construction for superior strength, elliptical design for uniform bearing surface under heat expansion, and even distribution of thrust loads. Specifications: Bore Size 97.50mm (Actual Size 97.44mm), Wossner Part Number 8574D050, Lock Part Number CW24, Pin Part Number WP057, Ring Set Part Number 975XSY, Rod Part Number P4028, Displacement 654 cm³, Stroke 80.00mm, Clearance 0.06mm, Compression Ratio 9.30:1, OEM Compression Ratio 9.00:1, Dome Volume -4.80 cm³, Compression Height 29.70mm, Theoretical Weight 348.00g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"97.50mm"},{"label":"Variant Id","value":"255745"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54691_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54691_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54691_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54691_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54691_4.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54691_5.jpg"],"description":"Wossner 97.50mm forged piston kit features optimized heat transfer and uniform load distribution for optimal combustion chamber performance. Engineered to reduce localized pressure and prevent piston collapse, this piston is made in Germany for durability and performance. Features include forged construction for superior strength, elliptical design for uniform bearing surface under heat expansion, and even distribution of thrust loads. Specifications: Bore Size 97.50mm (Actual Size 97.44mm), Wossner Part Number 8574D050, Lock Part Number CW24, Pin Part Number WP057, Ring Set Part Number 975XSY, Rod Part Number P4028, Displacement 654 cm³, Stroke 80.00mm, Clearance 0.06mm, Compression Ratio 9.30:1, OEM Compression Ratio 9.00:1, Dome Volume -4.80 cm³, Compression Height 29.70mm, Theoretical Weight 348.00g.","descriptionMarkdown":"### Wossner 97.50mm Forged Piston Kit for Honda XR600R\n\nElevate your motorcycle's performance and durability with this premium Wossner forged piston kit. Engineered in Germany, this high-quality piston is designed for Honda XR600R models, ensuring optimal combustion and long-lasting reliability.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides superior strength and resistance to wear and tear for enhanced durability.\n\t\n- Optimized Heat Transfer: Efficiently transfers heat to cylinder walls, preventing overheating.\n\t\n- Elliptical Design: Ensures a uniform bearing surface that adapts to heat expansion, maintaining consistent performance.\n\t\n- Even Load Distribution: Reduces localized pressure and evenly distributes thrust loads for a smoother operation and extended engine life.\n\t\n- Piston Collapse Prevention: Specifically designed to prevent piston collapse under high-stress operating conditions.\n\n**Specifications:**\n\n\t\n- Bore Size: 97.50mm (Actual Size: 97.44mm)\n\t\n- Wossner Part Number: 8574D050\n\t\n- Lock Part Number: CW24\n\t\n- Pin Part Number: WP057\n\t\n- Ring Set Part Number: 975XSY\n\t\n- Rod Part Number: P4028\n\t\n- Displacement: 654 cm&sup3;\n\t\n- Stroke: 80.00mm\n\t\n- Clearance: 0.06mm\n\t\n- Compression Ratio: 9.30:1\n\t\n- OEM Compression Ratio: 9.00:1\n\t\n- Dome Volume: -4.80 cm&sup3;\n\t\n- Compression Height: 29.70mm\n\t\n- Theoretical Weight: 348.00g","weightGrams":null,"fitments":[{"make":"HONDA","model":"XR 600R","cc":null,"notes":null,"years":"1985–2001"}],"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-85-00-xr600r-9750-forged-wossner-8574d050","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/23fd06d19fdb:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/23fd06d19fdb: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."]}}