{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"bf95de39b143","name":"PISTON KIT 03-06 KLX400 90.00, FORGED WOSSNER 8565DA","sku":"56-W211+00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":187.82,"formatted":"£187.82"},"summary":"Wossner forged piston kit 8565DA with a bore size of 90.00mm. Engineered for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Specifications include an actual bore diameter of 89.94mm, displacement of 398 cm³, stroke of 62.60mm, clearance of 0.06mm, OEM compression ratio of 12.20:1, dome volume of -2.00 cm³, compression height of 25.30mm, theoretical weight of 250.00g, lock part number CW20, pin part number WP029, ring set part number 900XSY, and rod part number P4009.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"90mm"},{"label":"Variant Id","value":"255013"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W211_2B00A_2EWO/8020ce75858861c6.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W211_2B00A_2EWO/8020ce75858861c6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W211_2B00A_2EWO/7d4b5de3e3099bf5.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W211_2B00A_2EWO/1ef13bae31c49169.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W211_2B00A_2EWO/bd2987af89f0804c.jpg"],"description":"Wossner forged piston kit 8565DA with a bore size of 90.00mm. Engineered for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Specifications include an actual bore diameter of 89.94mm, displacement of 398 cm³, stroke of 62.60mm, clearance of 0.06mm, OEM compression ratio of 12.20:1, dome volume of -2.00 cm³, compression height of 25.30mm, theoretical weight of 250.00g, lock part number CW20, pin part number WP029, ring set part number 900XSY, and rod part number P4009.","descriptionMarkdown":"### Wossner Forged Piston Kit - 90.00mm Bore\n\nEnhance your motorcycle or ATV's performance with this high-quality Wossner forged piston kit. Engineered for superior strength and durability, this piston kit is designed to optimize heat transfer and ensure efficient combustion chamber performance. Manufactured in Germany by Wossner, a leader in high-performance engine components.\n\nThe unique elliptical design of this piston is crucial for performance under extreme conditions. It ensures a uniform bearing surface even with heat expansion, which significantly reduces localized pressure and helps to prevent piston collapse, maintaining optimal engine function.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides exceptional strength and durability compared to cast pistons, handling higher combustion pressures.\n\t\n- Optimized Heat Transfer: Promotes efficient cooling and combustion for improved power output and reliability.\n\t\n- Elliptical Piston Design: Guarantees even thrust load distribution and reduces the risk of piston collapse under thermal stress.\n\t\n- Precision Manufacturing: Made in Germany to exacting standards for guaranteed fit and performance.\n\t\n- 90.00mm Bore Size: Designed for specific engine builds requiring this precise bore diameter.\n\n#### Specifications:\n\n\t\n- Bore Size: 90.00mm\n\t\n- Actual Bore Diameter: 89.94mm\n\t\n- Displacement: 398 cm&sup3;\n\t\n- Stroke: 62.60mm\n\t\n- Clearance: 0.06mm\n\t\n- Wossner Compression Ratio: OEM\n\t\n- OEM Compression Ratio: 12.20:1\n\t\n- Dome Volume: -2.00 cm&sup3;\n\t\n- Compression Height: 25.30mm\n\t\n- Theoretical Weight: 250.00g\n\t\n- Lock Part Number: CW20\n\t\n- Pin Part Number: WP029\n\t\n- Ring Set Part Number: 900XSY\n\t\n- Rod Part Number: P4009","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-03-06-klx400-9000-forged-wossner-8565da","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/bf95de39b143:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/bf95de39b143:1"}},"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."]}}