{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"8abeb8fe62a7","name":"PISTON KIT XR XLR 500 90.50, FORGED WOSSNER 8642D150","sku":"56-W310+150","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":220.78,"formatted":"£220.78"},"summary":"Wossner forged piston kit with a 90.50mm bore (90.44mm) for Honda XR400, XLS400, XLR500, XLS500, and XR500R models. Designed for superior strength and heat transfer efficiency, this piston ensures optimal combustion performance. The elliptical design distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Features: Forged piston for increased strength and durability. Optimized heat transfer for improved performance. Elliptical design ensures uniform bearing surface under heat expansion. Even thrust load distribution to prevent piston collapse. Manufactured in Germany. Specifications: Bore Size: 90.50mm (90.44mm). Compression Ratio: 9.0:1. Part Number: 8642D150. Lock Part Number: CW21. Pin Part Number: WP034. Ring Set Part Number: 905XSY. Displacement: 449 cm&sup3;. Stroke: 64.00mm. Clearance: 0.06mm. OEM Compression Ratio: 8.6:1. Dome Volume: +0.00 cm&sup3;. Compression Height: 29.70mm.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"90.5mm"},{"label":"Variant Id","value":"255378"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W310_2B150/c441cc87db97ab7b.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W310_2B150/c441cc87db97ab7b.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W310_2B150/f41528222b8b216e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W310_2B150/92120793cf1575bc.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W310_2B150/6b3cf9cdcb69811b.jpg"],"description":"Wossner forged piston kit with a 90.50mm bore (90.44mm) for Honda XR400, XLS400, XLR500, XLS500, and XR500R models. Designed for superior strength and heat transfer efficiency, this piston ensures optimal combustion performance. The elliptical design distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Features: Forged piston for increased strength and durability. Optimized heat transfer for improved performance. Elliptical design ensures uniform bearing surface under heat expansion. Even thrust load distribution to prevent piston collapse. Manufactured in Germany. Specifications: Bore Size: 90.50mm (90.44mm). Compression Ratio: 9.0:1. Part Number: 8642D150. Lock Part Number: CW21. Pin Part Number: WP034. Ring Set Part Number: 905XSY. Displacement: 449 cm&sup3;. Stroke: 64.00mm. Clearance: 0.06mm. OEM Compression Ratio: 8.6:1. Dome Volume: +0.00 cm&sup3;. Compression Height: 29.70mm.","descriptionMarkdown":"### Wossner Forged Piston Kit 90.50mm Bore\n\nUpgrade your motorcycle's performance with this Wossner forged piston kit. Engineered for superior strength and optimal combustion, this piston is designed to enhance your engine's power and reliability. Manufactured in Germany, Wossner pistons are known for their precision and durability.\n\n### Key Features:\n\n\t\n- Forged Construction: Provides exceptional strength and resistance to high temperatures and pressures, ensuring long-lasting performance.\n\t\n- Optimized Heat Transfer: Designed for efficient heat dissipation, contributing to improved engine performance and longevity.\n\t\n- Elliptical Design: Ensures an even bearing surface under heat expansion, reducing wear and preventing piston collapse.\n\t\n- Even Thrust Load Distribution: Minimizes localized pressure on cylinder walls, further enhancing durability.\n\t\n- Precision Manufacturing: Made in Germany to exacting standards for a perfect fit and optimal function.\n\n### Specifications:\n\n\t\n- Bore Size: 90.50mm (90.44mm)\n\t\n- Compression Ratio: 9.0:1\n\t\n- Part Number: 8642D150\n\t\n- Lock Part Number: CW21\n\t\n- Pin Part Number: WP034\n\t\n- Ring Set Part Number: 905XSY\n\t\n- Displacement: 449 cm&sup3;\n\t\n- Stroke: 64.00mm\n\t\n- Clearance: 0.06mm\n\t\n- OEM Compression Ratio: 8.6:1\n\t\n- Dome Volume: +0.00 cm&sup3;\n\t\n- Compression Height: 29.70mm","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-xr-xlr-500-9050-forged-wossner-8642d150","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/8abeb8fe62a7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/8abeb8fe62a7:1"}},"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."]}}