{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c477bd3f0703","name":"PISTON KIT 13-18 SXF450 95mm WOSSNER 8873DA KTM, HIGH COMPRESSION 13.6:1 78930007300","sku":"56-W956.A.WO.HC","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":229.08,"formatted":"£229.08"},"summary":"Wossner forged high-compression piston kit with a 95mm bore size (94.95mm actual). This piston includes a two-ring configuration and an elliptical shape for even load distribution and enhanced heat dissipation. It features a high-compression dome with a compression ratio of 13.60:1 (OEM is 12.60:1). Specifications include a displacement of 449 cm&sup3;, 84.00 mm stroke, 0.05 mm clearance, +4.10 cm&sup3; dome volume, and 22.80 mm compression height. Manufactured in Germany. Cross-reference OEM part numbers: 78930007300, 40117M09500, RC902M09500.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"95.00"},{"label":"Variant Id","value":"258395"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W956_2EA_2EWO_2EHC/78ad649ef3121c51.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W956_2EA_2EWO_2EHC/78ad649ef3121c51.jpg"],"description":"Wossner forged high-compression piston kit with a 95mm bore size (94.95mm actual). This piston includes a two-ring configuration and an elliptical shape for even load distribution and enhanced heat dissipation. It features a high-compression dome with a compression ratio of 13.60:1 (OEM is 12.60:1). Specifications include a displacement of 449 cm&sup3;, 84.00 mm stroke, 0.05 mm clearance, +4.10 cm&sup3; dome volume, and 22.80 mm compression height. Manufactured in Germany. Cross-reference OEM part numbers: 78930007300, 40117M09500, RC902M09500.","descriptionMarkdown":"### Wossner High Compression Piston Kit - 95mm Bore\n\nThis Wossner forged high-compression piston kit is designed to enhance the performance of competitive applications. It features a 95mm bore size (94.95mm actual) and a high-compression dome, significantly increasing the compression ratio for improved power output.\n\n**Key Features:**\n\n- Forged high-compression piston with a two-ring design for durability.\n\n- Elliptical piston profile ensures even load distribution and manages thrust loads under heat expansion.\n\n- Optimized for superior combustion heat transfer and long-lasting performance.\n\n- Precision manufactured in Germany for exceptional quality.\n\n**Specifications:**\n\n- Bore Size: 95mm (actual 94.95mm)\n\n- Displacement: 449 cm&sup3;\n\n- Stroke: 84.00 mm\n\n- Clearance: 0.05 mm\n\n- Wossner Compression Ratio: 13.60:1\n\n- OEM Compression Ratio: 12.60:1\n\n- Dome Volume: +4.10 cm&sup3;\n\n- Compression Height: 22.80 mm\n\n**Cross-Reference OEM Part Numbers:**\n\n- 78930007300\n\n- 40117M09500\n\n- RC902M09500","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"EX F 450","cc":null,"notes":null,"years":"2021–2023"},{"make":"GAS-GAS","model":"MC F 450","cc":null,"notes":null,"years":"2021–2023"},{"make":"HUSQVARNA","model":"FC 450","cc":null,"notes":null,"years":"2014–2022"},{"make":"HUSQVARNA","model":"FS 450","cc":null,"notes":null,"years":"2015–2023"},{"make":"HUSQVARNA","model":"FX 450","cc":null,"notes":null,"years":"2017–2022"},{"make":"KTM","model":"450 SM R","cc":null,"notes":null,"years":"2013–2014"},{"make":"KTM","model":"450 SM-R","cc":null,"notes":null,"years":"2021–2022"},{"make":"KTM","model":"450 SMR","cc":null,"notes":null,"years":"2013–2014"},{"make":"KTM","model":"450 SX-F","cc":null,"notes":null,"years":"2013–2022"}],"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-13-18-sxf450-95mm-wossner-8873da-ktm-high-compression-1361-7893000730","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/c477bd3f0703:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/c477bd3f0703:1"}},"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."]}}