{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1d375d2af9a8","name":"PISTON KIT HUSKY 390 85.50mm, KH37mm WOSSNER 8033D250, 1977-1980 Husqvarna 390","sku":"56-W090+250.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":220.78,"formatted":"£220.78"},"summary":"Wossner 85.50mm forged piston kit is designed for CR 390 and WR 390 models. Engineered for durability and precision, this piston ensures efficient heat transfer and uniform expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany, it meets high-quality standards for reliable performance. Features include Wossner forged piston for superior strength and durability, optimized heat transfer for enhanced combustion efficiency, elliptical design for uniform bearing surface and reduced localized pressure, precision-engineered for reliable performance, and Made in Germany. Specifications: Bore Size: 85.50mm (85.42mm), Oversize: 2.50mm, Stroke: 71.00mm, Clearance: 0.08mm, Compression Ratio: 2-stroke, Compression Height: 37.00mm, Lock Part Number: CW18, Pin Part Number: WP033, Ring Set Part Number: RSC8550.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"85.5mm"},{"label":"Variant Id","value":"254488"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W090_2B250_2EWO/abe68f64861a1ae6.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W090_2B250_2EWO/abe68f64861a1ae6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W090_2B250_2EWO/488e14e23660bd8d.jpg"],"description":"Wossner 85.50mm forged piston kit is designed for CR 390 and WR 390 models. Engineered for durability and precision, this piston ensures efficient heat transfer and uniform expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany, it meets high-quality standards for reliable performance. Features include Wossner forged piston for superior strength and durability, optimized heat transfer for enhanced combustion efficiency, elliptical design for uniform bearing surface and reduced localized pressure, precision-engineered for reliable performance, and Made in Germany. Specifications: Bore Size: 85.50mm (85.42mm), Oversize: 2.50mm, Stroke: 71.00mm, Clearance: 0.08mm, Compression Ratio: 2-stroke, Compression Height: 37.00mm, Lock Part Number: CW18, Pin Part Number: WP033, Ring Set Part Number: RSC8550.","descriptionMarkdown":"### Wossner Forged Piston Kit 85.50mm for Husqvarna CR/WR 390\n\nEnhance the performance and durability of your Husqvarna CR 390 or WR 390 with this precision-engineered Wossner forged piston kit. Designed for models manufactured between 1977 and 1980, this kit ensures reliable operation and longevity for your engine.\n\n#### Key Features:\n\n\t\n- Forged Construction: Crafted from high-quality forged aluminum for superior strength and resistance to wear and tear.\n\t\n- Optimized Heat Transfer: Engineered to efficiently dissipate heat, promoting consistent combustion and preventing premature engine damage.\n\t\n- Elliptical Design: The piston features an elliptical profile, which creates a uniform bearing surface, minimizing localized pressure and reducing the risk of piston collapse.\n\t\n- Precision Engineering: Manufactured to exacting standards in Germany, guaranteeing a perfect fit and dependable performance.\n\t\n- Durable Materials: Built to withstand the demanding conditions of high-performance motorcycle engines.\n\n#### Specifications:\n\n\t\n- Bore Size: 85.50mm (Nominal), 85.42mm (Actual)\n\t\n- Oversize: 2.50mm\n\t\n- Stroke: 71.00mm\n\t\n- Piston Clearance: 0.08mm\n\t\n- Compression Type: 2-stroke\n\t\n- Compression Height: 37.00mm\n\t\n- Lock Ring Part Number: CW18\n\t\n- Piston Pin Part Number: WP033\n\t\n- Replacement Ring Set Part Number: RSC8550","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-husky-390-8550mm-kh37mm-wossner-8033d250-1977-1980-husqvarna-390","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1d375d2af9a8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1d375d2af9a8:1"}},"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."]}}