{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"0bbaaf7d4145","name":"PISTON KIT HARLEY 3.898 SET/2, WOSSNER K8594D375-2 DAVIDSON","sku":"56-W9865.375.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":353.16,"formatted":"£353.16"},"summary":"Wossner K8594D375-2 forged piston kit for Harley Davidson Twin Cam engines. Features include skirt coating, elliptical design for improved load distribution and thermal expansion control, and superior heat transfer. The flat top pistons have an 8.5:1 compression ratio. Bore size is 3.898 inches (+0.148 inches, +3.75mm). Kit includes rings, clips, and pins. Two pistons per kit. Made in Germany. Cross-reference OEM Part Numbers: 56-W9865.375.WO, Ring Set Part No. 990XSY.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"3.898\""},{"label":"Variant Id","value":"258978"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57924_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57924_1.jpg"],"description":"Wossner K8594D375-2 forged piston kit for Harley Davidson Twin Cam engines. Features include skirt coating, elliptical design for improved load distribution and thermal expansion control, and superior heat transfer. The flat top pistons have an 8.5:1 compression ratio. Bore size is 3.898 inches (+0.148 inches, +3.75mm). Kit includes rings, clips, and pins. Two pistons per kit. Made in Germany. Cross-reference OEM Part Numbers: 56-W9865.375.WO, Ring Set Part No. 990XSY.","descriptionMarkdown":"### Wossner Forged Piston Kit for Harley Davidson Twin Cam Engines\n\nEnhance the performance and durability of your Harley Davidson Twin Cam engine with this high-quality Wossner forged piston kit. Engineered for demanding use, these pistons are crafted in Germany to exacting standards, ensuring superior reliability and thermal efficiency. The kit features an oversized bore of 3.898 inches (+3.75mm) and a flat-top design, making them an excellent choice for performance-oriented builds.\n\n**Key Features:**\n\n \n- Forged high-performance pistons with protective skirt coating for increased longevity.\n \n- Elliptical piston design promotes improved load distribution and manages thermal expansion effectively.\n \n- Optimized for superior heat transfer from the combustion chamber to the cylinder walls, contributing to efficient cooling.\n \n- Flat top piston design with a 8.5:1 compression ratio for balanced power delivery.\n \n- Complete kit includes all necessary rings, clips, and pins for a straightforward installation.\n\n**Specifications:**\n\n \n- Bore Size: 3.898 inches (+0.148 inches, +3.75mm)\n \n- Compression Ratio: 8.5:1\n \n- Quantity: Set of 2 pistons\n \n- Manufacturing Origin: Germany","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-harley-3898-set2-wossner-k8594d375-2-davidson","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/0bbaaf7d4145:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/0bbaaf7d4145:1"}},"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."]}}