{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"53a758b114e0","name":"PISTON KIT KTM SX144 150 56 C, FORGED WOSSNER 8222DC","sku":"56-W036.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":125.4,"formatted":"£125.40"},"summary":"Wossner forged piston kit designed for superior strength and performance in 2-stroke engines. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features forged construction for enhanced durability, optimized heat transfer for improved performance, an elliptical design that prevents localized pressure and piston collapse, and a single-ring configuration for reduced friction and improved performance. Specifications include a bore of 55.97 mm, piston size of 56.02 mm, displacement of 144 cm³, stroke of 58.50 mm, clearance of 0.05 mm, 2-stroke Wossner compression ratio, 2-stroke OEM compression ratio, and a compression height of 29.50 mm. Cross-reference OEM part numbers include Lock: CW15, Pin: WP032, Ring Set: RSB5600, and Rod: P2012.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"254355"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock53298_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock53298_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53298_2.jpg"],"description":"Wossner forged piston kit designed for superior strength and performance in 2-stroke engines. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features forged construction for enhanced durability, optimized heat transfer for improved performance, an elliptical design that prevents localized pressure and piston collapse, and a single-ring configuration for reduced friction and improved performance. Specifications include a bore of 55.97 mm, piston size of 56.02 mm, displacement of 144 cm³, stroke of 58.50 mm, clearance of 0.05 mm, 2-stroke Wossner compression ratio, 2-stroke OEM compression ratio, and a compression height of 29.50 mm. Cross-reference OEM part numbers include Lock: CW15, Pin: WP032, Ring Set: RSB5600, and Rod: P2012.","descriptionMarkdown":"### Wossner Forged Piston Kit for KTM SX 144/150 (56mm Bore)\n\nUpgrade your KTM SX 144 or 150's performance with this high-quality forged piston kit from Wossner. Engineered for superior strength and optimal heat transfer, this piston is designed to withstand the demands of 2-stroke racing and high-performance riding.\n\nThe advanced elliptical design ensures uniform bearing surface even under extreme heat expansion. This innovative feature minimizes localized pressure and distributes thrust loads evenly, effectively preventing piston collapse and extending engine life. Manufactured in Germany to exacting standards, Wossner pistons are renowned for their durability and precision.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides enhanced strength and durability over cast pistons.\n\t\n- Optimized Heat Transfer: Efficiently moves heat from the combustion chamber to the cylinder walls, improving performance and reliability.\n\t\n- Elliptical Design: Prevents localized pressure and piston collapse by ensuring even load distribution under heat expansion.\n\t\n- Single-Ring Configuration: Reduces friction and contributes to improved throttle response and overall performance.\n\n**Specifications:**\n\n\t\n- Bore: 55.97 mm\n\t\n- Piston Size: 56.02 mm\n\t\n- Displacement: 144 cm&sup3;\n\t\n- Stroke: 58.50 mm\n\t\n- Clearance: 0.05 mm\n\t\n- Compression Height: 29.50 mm\n\n**Component Cross-Reference:**\n\n\t\n- Lock: CW15\n\t\n- Pin: WP032\n\t\n- Ring Set: RSB5600\n\t\n- Rod: P2012","weightGrams":null,"fitments":[{"make":"KTM","model":"144 SX","cc":null,"notes":null,"years":"2007–2008"},{"make":"KTM","model":"150 SX","cc":null,"notes":null,"years":"2009–2015"},{"make":"KTM","model":"150 XC","cc":null,"notes":null,"years":"2010–2015"},{"make":"KTM","model":"150 XC-W","cc":null,"notes":null,"years":"2010–2015"}],"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-sx144-150-56-c-forged-wossner-8222dc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/53a758b114e0:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/53a758b114e0:1"}},"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."]}}