{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"32b848f4c2b5","name":"PISTON KIT 85-00 XR600R 101.00, FORGED WOSSNER 8574D400","sku":"56-W4577_P16.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":231.1,"formatted":"£231.10"},"summary":"Wossner 101mm forged piston kit for Honda XR600R models 1985-2001. Features forged construction for superior strength and durability, optimized heat transfer to cylinder walls, and an elliptical design for uniform bearing surface under heat expansion. This design reduces localized pressure, evenly distributes thrust loads, and prevents piston collapse under high-stress conditions. Bore Size: 101.00mm (Actual Size: 100.94mm), Wossner Part Number: 8574D400, Lock Part Number: CW24, Pin Part Number: WP023, Ring Set Part Number: 1010XSY, Rod Part Number: P4028, Displacement: 654 cm&sup3;, Stroke: 80.00mm, Clearance: 0.06mm, Compression Ratio: 9.30:1, OEM Compression Ratio: 9.00:1, Dome Volume: -4.80 cm&sup3;, Compression Height: 29.70mm, Theoretical Weight: 348.00g. Made in Germany.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"101mm"},{"label":"Variant Id","value":"255750"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4577_5FP16_2EWO/409bd722b30b28d5.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4577_5FP16_2EWO/409bd722b30b28d5.jpg"],"description":"Wossner 101mm forged piston kit for Honda XR600R models 1985-2001. Features forged construction for superior strength and durability, optimized heat transfer to cylinder walls, and an elliptical design for uniform bearing surface under heat expansion. This design reduces localized pressure, evenly distributes thrust loads, and prevents piston collapse under high-stress conditions. Bore Size: 101.00mm (Actual Size: 100.94mm), Wossner Part Number: 8574D400, Lock Part Number: CW24, Pin Part Number: WP023, Ring Set Part Number: 1010XSY, Rod Part Number: P4028, Displacement: 654 cm&sup3;, Stroke: 80.00mm, Clearance: 0.06mm, Compression Ratio: 9.30:1, OEM Compression Ratio: 9.00:1, Dome Volume: -4.80 cm&sup3;, Compression Height: 29.70mm, Theoretical Weight: 348.00g. Made in Germany.","descriptionMarkdown":"### Wossner 101mm Forged Piston Kit for Honda XR600R\n\nEnhance the performance and durability of your Honda XR600R with this premium forged piston kit from Wossner. Engineered in Germany, this kit is designed for optimal combustion chamber heat transfer and uniform load distribution, effectively reducing localized pressure and preventing piston collapse under demanding conditions.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides superior strength and durability for high-performance applications.\n\t\n- Optimized Heat Transfer: Engineered to efficiently transfer heat to the cylinder walls, promoting better thermal management.\n\t\n- Elliptical Design: Ensures a uniform bearing surface even under heat expansion, maintaining optimal fitment.\n\t\n- Reduced Localized Pressure: Distributes thrust loads evenly across the piston, preventing stress concentrations.\n\t\n- Prevents Piston Collapse: Designed to withstand high-stress conditions without deformation.\n\n#### Specifications:\n\n\t\n- Bore Size: 101.00mm (Actual Size: 100.94mm)\n\t\n- Wossner Part Number: 8574D400\n\t\n- Lock Part Number: CW24\n\t\n- Pin Part Number: WP023\n\t\n- Ring Set Part Number: 1010XSY\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\n\n**Manufacturer:** Wossner","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-85-00-xr600r-10100-forged-wossner-8574d400","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/32b848f4c2b5:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/32b848f4c2b5:1"}},"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."]}}