{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"3175736eef0f","name":"PISTON KIT KTM 520 525 EXC SX, WOSSNER 8637DB KTM 00-09 HC","sku":"56-W216+00B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":220.73,"formatted":"£220.73"},"summary":"Wossner high-compression forged piston kit. Features optimized heat transfer for efficient combustion chamber performance and an elliptical design for even thrust load distribution and reduced piston collapse. Manufactured in Germany. Specifications include a bore size of 95.01mm, actual bore diameter of 94.96mm, displacement of 510 cm³, stroke of 72.00mm, clearance of 0.05mm, Wossner compression ratio of 12.50:1, OEM compression ratio of 11.00:1, dome volume of +4.60 cm³, compression height of 23.50mm, lock part number CW20, pin part number WP029, and ring set part number 950ADS-2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"255045"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock53991_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock53991_1.jpg"],"description":"Wossner high-compression forged piston kit. Features optimized heat transfer for efficient combustion chamber performance and an elliptical design for even thrust load distribution and reduced piston collapse. Manufactured in Germany. Specifications include a bore size of 95.01mm, actual bore diameter of 94.96mm, displacement of 510 cm³, stroke of 72.00mm, clearance of 0.05mm, Wossner compression ratio of 12.50:1, OEM compression ratio of 11.00:1, dome volume of +4.60 cm³, compression height of 23.50mm, lock part number CW20, pin part number WP029, and ring set part number 950ADS-2.","descriptionMarkdown":"### Wossner High Compression Forged Piston Kit\n\n\tEnhance your KTM or Beta motorcycle's performance with this Wossner high-compression forged piston kit. Engineered for superior strength and optimal heat transfer, this piston is designed to deliver increased power and efficiency. The advanced elliptical design ensures uniform bearing surface under heat expansion, effectively reducing localized pressure and preventing piston collapse for improved durability. This premium piston kit is manufactured in Germany to exacting standards.\n\n#### Key Features:\n\n\t\n- High-compression forged piston for significantly increased performance\n\t\n- Engineered for optimized heat transfer, leading to more efficient combustion\n\t\n- Elliptical piston design promotes even thrust load distribution\n\t\n- Reduces the risk of piston collapse under extreme operating conditions\n\t\n- Precision manufactured in Germany for exceptional quality and reliability\n\n#### Specifications:\n\n\t\n- Bore Size: 95.01mm\n\t\n- Actual Bore Diameter: 94.96mm\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: 950ADS-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-8637db-ktm-00-09-hc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/3175736eef0f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/3175736eef0f: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."]}}