{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"0f7b541fd485","name":"PISTON KIT KTM505SX-F HC 100, WOSSNER 8725DA 08-09 776300073000","sku":"56-W315+00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":231.1,"formatted":"£231.10"},"summary":"Wossner forged piston kit with a 100mm bore (99.95mm) for KTM SX-F 505. High-compression forged piston for increased performance and optimized heat transfer for enhanced durability. Features an elliptical design that distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Specifications include a 13.5:1 compression ratio, part number 8725DB, lock part number CW20, pin part number WP038, ring set part number 1000ADS-2, 449 cm&sup3; displacement, 60.80mm stroke, 0.05mm clearance, OEM compression ratio 12.5:1, +0.30 cm&sup3; dome volume, and 21.80mm compression height. Cross-reference OEM part numbers: 776300073000 and 4948M10000.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"100mm"},{"label":"Variant Id","value":"255411"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W315_2B00A_2EWO/927fa13b5407acd7.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W315_2B00A_2EWO/927fa13b5407acd7.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W315_2B00A_2EWO/dbcf847aabae18e9.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W315_2B00A_2EWO/8fa7e45229a576d2.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W315_2B00A_2EWO/c4e977be369c9f6d.jpg"],"description":"Wossner forged piston kit with a 100mm bore (99.95mm) for KTM SX-F 505. High-compression forged piston for increased performance and optimized heat transfer for enhanced durability. Features an elliptical design that distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Specifications include a 13.5:1 compression ratio, part number 8725DB, lock part number CW20, pin part number WP038, ring set part number 1000ADS-2, 449 cm&sup3; displacement, 60.80mm stroke, 0.05mm clearance, OEM compression ratio 12.5:1, +0.30 cm&sup3; dome volume, and 21.80mm compression height. Cross-reference OEM part numbers: 776300073000 and 4948M10000.","descriptionMarkdown":"### Wossner Forged Piston Kit for High-Performance Engines\n\n\tElevate your engine's performance with this Wossner forged piston kit. Engineered for superior strength and efficient heat transfer, this piston is designed to optimize combustion and withstand demanding conditions.\n\n\tThe advanced elliptical design ensures thrust loads are distributed evenly, preventing localized pressure and reducing the risk of piston collapse. This results in a more uniform bearing surface, even under extreme heat expansion.\n\n\t**Key Features:**\n\n\t\n- High-compression forged piston for enhanced power output.\n\t\n- Optimized heat transfer for improved durability and longevity.\n\t\n- Elliptical design for even thrust load distribution.\n\t\n- Prevents piston collapse by managing bearing surface uniformity.\n\t\n- Precision manufactured in Germany.\n\n\t**Specifications:**\n\n\t\n- Bore Size: 100mm (99.95mm actual)\n\t\n- Compression Ratio: 13.5:1\n\t\n- Part Number: 8725DB\n\t\n- Lock Part Number: CW20\n\t\n- Pin Part Number: WP038\n\t\n- Ring Set Part Number: 1000ADS-2\n\t\n- Displacement: 449 cm&sup3;\n\t\n- Stroke: 60.80mm\n\t\n- Clearance: 0.05mm\n\t\n- Dome Volume: +0.30 cm&sup3;\n\t\n- Compression Height: 21.80mm\n\n\t**Cross-Reference OEM Part Numbers:**\n\n\t\n- 776300073000\n\t\n- 4948M10000","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-ktm505sx-f-hc-100-wossner-8725da-08-09-776300073000","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/0f7b541fd485:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/0f7b541fd485:1"}},"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."]}}