{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9367ff98040b","name":"PISTON KIT KTM 520 525 EXC SX, WOSSNER 8637D200 KTM 00-09 HC","sku":"56-W216+200.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":231.1,"formatted":"£231.10"},"summary":"Wossner high-compression forged piston kit for enhanced performance. Engineered with an elliptical design for uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Features optimized heat transfer for efficient combustion chamber performance. Manufactured in Germany. Bore Size: 97.00mm, Actual Bore Diameter: 96.95mm, Displacement: 510 cm&sup3;, Stroke: 72.00mm, Clearance: 0.05mm, Wossner Compression Ratio: 12.50:1, OEM Compression Ratio: 11.00:1, Dome Volume: +4.60 cm&sup3;, Compression Height: 23.50mm, Lock Part Number: CW20, Pin Part Number: WP029, Ring Set Part Number: 970ADS-2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"255047"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock53993_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock53993_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53993_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53993_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53993_4.jpg"],"description":"Wossner high-compression forged piston kit for enhanced performance. Engineered with an elliptical design for uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Features optimized heat transfer for efficient combustion chamber performance. Manufactured in Germany. Bore Size: 97.00mm, Actual Bore Diameter: 96.95mm, Displacement: 510 cm&sup3;, Stroke: 72.00mm, Clearance: 0.05mm, Wossner Compression Ratio: 12.50:1, OEM Compression Ratio: 11.00:1, Dome Volume: +4.60 cm&sup3;, Compression Height: 23.50mm, Lock Part Number: CW20, Pin Part Number: WP029, Ring Set Part Number: 970ADS-2.","descriptionMarkdown":"### Wossner High-Compression Forged Piston Kit\n\nEnhance your motorcycle's performance with the Wossner High-Compression Forged Piston Kit. Engineered for durability and superior power output, this piston kit is manufactured in Germany to the highest standards. Its advanced design ensures optimal engine operation and longevity, making it an ideal upgrade for demanding riders.\n\n### Key Features\n\n\t\n- High-Compression Forged Piston: Delivers increased power and responsiveness.\n\t\n- Optimized Heat Transfer: Promotes efficient combustion and engine cooling.\n\t\n- Elliptical Design: Ensures uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse for a more reliable performance.\n\t\n- Premium German Manufacturing: Guarantees exceptional quality and precision engineering.\n\n### Specifications\n\n\t\n- Bore Size: 97.00mm\n\t\n- Actual Bore Diameter: 96.95mm\n\t\n- Displacement: 510 cm&sup3;\n\t\n- Stroke: 72.00mm\n\t\n- Clearance: 0.05mm\n\t\n- Wossner Compression Ratio: 12.50:1\n\t\n- OEM Compression Ratio: 11.00:1\n\t\n- Dome Volume: +4.60 cm&sup3;\n\t\n- Compression Height: 23.50mm\n\t\n- Lock Part Number: CW20\n\t\n- Pin Part Number: WP029\n\t\n- Ring Set Part Number: 970ADS-2","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-ktm-520-525-exc-sx-wossner-8637d200-ktm-00-09-hc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/9367ff98040b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/9367ff98040b: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."]}}