{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cbd77f19e6de","name":"PISTON 94-08 KTM620 640 101 A, FORGED WOSSNER KIT 8524DA","sku":"56-W181.A","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":220.73,"formatted":"£220.73"},"summary":"Wossner forged piston kit with a 101mm bore. Features optimized heat transfer to cylinder walls and an elliptical design for a uniform bearing surface and even thrust load distribution. Manufactured in Germany for superior strength and durability. Specifications include a standard size piston (PN# 8524DA), lock part number CW22, pin part number WP009, and ring set part number 1010XSY. Displacement is 600 cm³. Stroke is 76.00mm. Clearance is 0.06mm. Wossner compression ratio is OEM, with an OEM compression ratio of 11.70:1. Dome volume is +7.60 cm³. Compression height is 26.50mm. Cross-reference OEM part number: 7849M10100.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"101mm"},{"label":"Variant Id","value":"254878"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock53824_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock53824_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53824_2.jpg"],"description":"Wossner forged piston kit with a 101mm bore. Features optimized heat transfer to cylinder walls and an elliptical design for a uniform bearing surface and even thrust load distribution. Manufactured in Germany for superior strength and durability. Specifications include a standard size piston (PN# 8524DA), lock part number CW22, pin part number WP009, and ring set part number 1010XSY. Displacement is 600 cm³. Stroke is 76.00mm. Clearance is 0.06mm. Wossner compression ratio is OEM, with an OEM compression ratio of 11.70:1. Dome volume is +7.60 cm³. Compression height is 26.50mm. Cross-reference OEM part number: 7849M10100.","descriptionMarkdown":"### Wossner Forged Piston Kit 101mm Bore for KTM 600-660cc Engines\n\nEnhance your KTM's performance with this Wossner forged piston kit, featuring a 101mm bore. Expertly engineered in Germany, this piston is designed for superior strength and optimized combustion efficiency.\n\n**Key Features:**\n\n\t\n- Forged Piston Construction: Offers exceptional strength and durability compared to cast pistons, ensuring longevity and reliable performance under demanding conditions.\n\t\n- Optimized Heat Transfer: Designed to efficiently transfer combustion chamber heat to the cylinder walls, promoting consistent operating temperatures and reducing stress on components.\n\t\n- Elliptical Design: Features an elliptical piston skirt for a uniform bearing surface, effectively distributing thrust loads and minimizing the risk of piston collapse, even under high heat expansion.\n\t\n- Precision Manufacturing: Manufactured in Germany to exacting standards, guaranteeing high quality and precise fitment.\n\n**Specifications:**\n\n\t\n- Bore Size: 101mm\n\t\n- Kit Part Number: 8524DA\n\t\n- Lock Part Number: CW22\n\t\n- Pin Part Number: WP009\n\t\n- Ring Set Part Number: 1010XSY\n\t\n- Engine Displacement: 600 cm&sup3;\n\t\n- Stroke: 76.00mm\n\t\n- Piston Clearance: 0.06mm\n\t\n- Wossner Compression Ratio: OEM\n\t\n- OEM Compression Ratio: 11.70:1\n\t\n- Dome Volume: +7.60 cm&sup3;\n\t\n- Compression Height: 26.50mm\n\n**Cross-Reference OEM Part Numbers:**\n\n\t\n- 7849M10100","weightGrams":null,"fitments":[{"make":"KTM","model":"620 DUKE","cc":null,"notes":null,"years":"1994–1997"},{"make":"KTM","model":"620 LC4","cc":null,"notes":null,"years":"1994–2009"},{"make":"KTM","model":"620 LC4, DUKE","cc":null,"notes":null,"years":"1994–1997"},{"make":"KTM","model":"620 SC","cc":null,"notes":null,"years":"1998–2001"},{"make":"KTM","model":"620 SX C","cc":null,"notes":null,"years":"2002–2007"},{"make":"KTM","model":"620 SXC","cc":null,"notes":null,"years":"2002–2007"},{"make":"KTM","model":"625 SMC","cc":null,"notes":null,"years":"1994–2009"},{"make":"KTM","model":"625 SXC","cc":null,"notes":null,"years":"2002–2007"},{"make":"KTM","model":"640 Duke","cc":null,"notes":null,"years":"2008–2009"},{"make":"KTM","model":"640 DUKE","cc":null,"notes":null,"years":"1994–2007"},{"make":"KTM","model":"640 DUKE II","cc":null,"notes":null,"years":"1998–2007"},{"make":"KTM","model":"640 LC4","cc":null,"notes":null,"years":"1994–2009"},{"make":"KTM","model":"640 LC4, DUKE II","cc":null,"notes":null,"years":"1998–2007"}],"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-94-08-ktm620-640-101-a-forged-wossner-kit-8524da","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cbd77f19e6de:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cbd77f19e6de: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. 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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."]}}