{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b28fe4b6cfe6","name":"PISTON KIT HARLEY 3.817 SET/2, WOSSNER K8594D175-2 DAVIDSON","sku":"56-W9865.175.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":415.09,"formatted":"£415.09"},"summary":"Wossner forged piston kit with a 3.817\" bore. This is an oversized (+1.75mm / +0.069\") replacement piston kit for Harley-Davidson 1453cc Twin Cam engines from 1999 to 2009 and Twin Cam 88 (88 cu. in.) models from 1999 to 2006. Made in Germany, the kit includes two flat top pistons with an 8.5:1 compression ratio, coated skirts for reduced friction, and complete installation hardware. Features forged construction for durability and strength, skirt coating to reduce friction and improve wear resistance, engineered for optimal combustion heat transfer, and an elliptical design for even load distribution under thermal expansion. Specifications include a 3.817\" bore, 8.5:1 compression ratio, and includes two forged pistons, rings, clips, and pins. The ring set part number is 970XSY.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"3.817\""},{"label":"Variant Id","value":"258975"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57921_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57921_1.jpg"],"description":"Wossner forged piston kit with a 3.817\" bore. This is an oversized (+1.75mm / +0.069\") replacement piston kit for Harley-Davidson 1453cc Twin Cam engines from 1999 to 2009 and Twin Cam 88 (88 cu. in.) models from 1999 to 2006. Made in Germany, the kit includes two flat top pistons with an 8.5:1 compression ratio, coated skirts for reduced friction, and complete installation hardware. Features forged construction for durability and strength, skirt coating to reduce friction and improve wear resistance, engineered for optimal combustion heat transfer, and an elliptical design for even load distribution under thermal expansion. Specifications include a 3.817\" bore, 8.5:1 compression ratio, and includes two forged pistons, rings, clips, and pins. The ring set part number is 970XSY.","descriptionMarkdown":"### Wossner Forged Piston Kit for Harley-Davidson Twin Cam\n\nUpgrade your Harley-Davidson Twin Cam engine with this high-performance forged piston kit from Wossner. Designed for durability and optimal performance, this kit features oversized pistons for increased displacement and improved power output.\n\n**Key Features:**\n\n \n- Forged construction for maximum strength and longevity.\n \n- Skirt-coated for reduced friction and enhanced wear resistance.\n \n- Engineered for efficient combustion heat transfer.\n \n- Elliptical piston design for even load distribution under thermal expansion.\n \n- Flat top pistons with an 8.5:1 compression ratio for a balanced performance.\n \n- Precision manufactured in Germany to exacting standards.\n \n- Includes all necessary installation hardware: rings, clips, and pins.\n\n**Specifications:**\n\n \n- Bore Size: 3.817 inches (Oversize +1.75mm / +0.069 inches).\n \n- Compression Ratio: 8.5:1.\n \n- Piston Type: Flat Top.\n \n- Kit Includes: 2 forged pistons, rings, clips, and pins.\n \n- Ring Set Part Number: 970XSY.","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-3817-set2-wossner-k8594d175-2-davidson","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b28fe4b6cfe6:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b28fe4b6cfe6:1"}},"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."]}}