{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"45699ef2bb32","name":"PISTON KIT 04-07 KTM300 72.00, WOSSNER 8219DA FORGED 55430007000","sku":"56-W858.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":195.02,"formatted":"£195.02"},"summary":"Wossner 72mm bore forged piston kit (part number 8219DA) for KTM 300cc two-stroke engines. Features include forged piston construction for strength, optimized combustion chamber heat transfer, and an elliptical design that enhances the bearing surface and distributes thrust loads evenly to prevent piston collapse under heat expansion. Made in Germany. Specifications: bore diameter 72.00 mm, displacement 293 cm³, stroke 72.00 mm, clearance 0.06 mm, compression ratio 2-stroke specification, compression height 38.00 mm. Includes piston kit part number 56-W858.A.WO, 2x rings (RSB7200), circlip (CW18), wrist pin (WP033), gasket (D2024-EST), and connecting rod (P2023). OEM Cross-Reference: 55430007000, 09104880, 858M07200.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"72.00mm"},{"label":"Variant Id","value":"258070"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57016_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57016_1.jpg"],"description":"Wossner 72mm bore forged piston kit (part number 8219DA) for KTM 300cc two-stroke engines. Features include forged piston construction for strength, optimized combustion chamber heat transfer, and an elliptical design that enhances the bearing surface and distributes thrust loads evenly to prevent piston collapse under heat expansion. Made in Germany. Specifications: bore diameter 72.00 mm, displacement 293 cm³, stroke 72.00 mm, clearance 0.06 mm, compression ratio 2-stroke specification, compression height 38.00 mm. Includes piston kit part number 56-W858.A.WO, 2x rings (RSB7200), circlip (CW18), wrist pin (WP033), gasket (D2024-EST), and connecting rod (P2023). OEM Cross-Reference: 55430007000, 09104880, 858M07200.","descriptionMarkdown":"### Wossner Forged Piston Kit for KTM 300cc\n\nEnhance the performance and durability of your KTM 300cc two-stroke engine with this Wossner forged piston kit. Engineered for optimal combustion efficiency and reliability, this standard bore piston is an ideal upgrade for high-performance off-road applications.\n\n#### Key Features:\n\n \n- Forged Construction: Provides superior strength and longevity compared to cast pistons, handling higher stresses and temperatures.\n \n- Optimized Heat Transfer: Designed to efficiently manage combustion chamber heat, contributing to consistent performance and engine longevity.\n \n- Elliptical Piston Design: Promotes even thrust load distribution and enhances bearing surface for smoother operation and reduced wear.\n \n- Prevents Piston Collapse: The advanced design helps to mitigate piston deformation under extreme heat expansion.\n \n- German Engineering: Manufactured in Germany, ensuring high standards of quality and precision.\n\n#### Specifications:\n\n \n- Bore Diameter: 72.00 mm\n \n- Stroke: 72.00 mm\n \n- Clearance: 0.06 mm\n \n- Compression Height: 38.00 mm\n \n- Compression Ratio: Designed to meet both Wossner and OEM two-stroke specifications.\n\n#### Included Components:\n\n \n- Forged Piston\n \n- Piston Rings (2x)\n \n- Circlip\n \n- Wrist Pin\n \n- Gasket\n \n- Connecting Rod","weightGrams":null,"fitments":[{"make":"HUSABERG","model":"TE 300","cc":null,"notes":null,"years":"2013–2014"},{"make":"HUSQVARNA","model":"TE 300","cc":null,"notes":null,"years":"2014–2016"},{"make":"KTM","model":"300 EXC","cc":null,"notes":null,"years":"2004–2016"},{"make":"KTM","model":"300 MXC","cc":null,"notes":null,"years":"2004–2007"},{"make":"KTM","model":"300 XC","cc":null,"notes":null,"years":"2004–2013"},{"make":"KTM","model":"300 XC-W","cc":null,"notes":null,"years":"2004–2016"}],"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-04-07-ktm300-7200-wossner-8219da-forged-55430007000","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/45699ef2bb32:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/45699ef2bb32:1"}},"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."]}}