{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ae67ca93848b","name":"PISTON KIT ROTAX SWM250 74.50, WOSSNER 8290D050","sku":"56-W970+050.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":144.97,"formatted":"£144.97"},"summary":"Wossner forged piston kit for ROTAX SWM250 with 74.50mm nominal bore (actual 74.43mm). Engineered for two-stroke engines, this piston kit delivers high strength and optimised thermal conductivity. Features forged piston construction for exceptional strength and durability, precision engineering to enhance heat transfer, and an elliptical profile to distribute load evenly, reducing localised stress. Manufactured in Germany with strict quality standards. Specifications include a bore size of 74.50mm (actual 74.43mm), stroke of 57.50 mm, clearance of 0.06 mm, compression height of 34.00 mm, lock part number CW18, pin part number WP033, and ring set part number RSB7450 x 2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"74.50mm"},{"label":"Variant Id","value":"258475"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57421_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57421_1.jpg"],"description":"Wossner forged piston kit for ROTAX SWM250 with 74.50mm nominal bore (actual 74.43mm). Engineered for two-stroke engines, this piston kit delivers high strength and optimised thermal conductivity. Features forged piston construction for exceptional strength and durability, precision engineering to enhance heat transfer, and an elliptical profile to distribute load evenly, reducing localised stress. Manufactured in Germany with strict quality standards. Specifications include a bore size of 74.50mm (actual 74.43mm), stroke of 57.50 mm, clearance of 0.06 mm, compression height of 34.00 mm, lock part number CW18, pin part number WP033, and ring set part number RSB7450 x 2.","descriptionMarkdown":"### Wossner Forged Piston Kit for ROTAX SWM250\n\nUpgrade your ROTAX SWM250 engine with this high-performance Wossner forged piston kit. Engineered for demanding applications, this kit offers exceptional strength, durability, and optimized thermal conductivity.\n\n### Key Features:\n\n- Forged Piston Construction: Provides superior strength and resilience for enhanced engine longevity.\n\n- Optimized Thermal Conductivity: Precision engineering ensures efficient heat transfer from the combustion chamber to the cylinder wall, improving performance and reliability.\n\n- Elliptical Piston Profile: Distributes load evenly across the piston surface, reducing localized stress and preventing premature piston failure.\n\n- German Manufacturing: Produced in Germany under strict quality control standards for guaranteed excellence.\n\n### Specifications:\n\n- Nominal Bore Size: 74.50mm (Actual Bore: 74.43mm)\n\n- Stroke: 57.50 mm\n\n- Clearance: 0.06 mm\n\n- Compression Height: 34.00 mm\n\n- Lock Part Number: CW18\n\n- Pin Part Number: WP033\n\n- Ring Set Part Number: RSB7450 x 2","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-rotax-swm250-7450-wossner-8290d050","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ae67ca93848b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ae67ca93848b: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."]}}