{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"79454154588e","name":"PISTON KIT HARLEY 3.534 SET/2, WOSSNER K8542D090-2 DAVIDSON, ROAD","sku":"56-W9957.090.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":1.2,"formatted":"£1.20"},"summary":"Wossner forged high-performance piston kit for Harley Davidson 1340 EVO Big Twin engines (80 cu. in.) with a 4.250\" stroke. Features 3.534\" bore size, +0.032\" oversize, and domed pistons for a 9.5:1 compression ratio. The kit includes 2 skirt-coated pistons for reduced friction and extended service life, engineered for optimal combustion chamber heat transfer and even load distribution. Made in Germany, this kit includes rings, clips, and pins. Wossner Part Number: K8542D090-2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"3.534\""},{"label":"Variant Id","value":"259322"}],"image":null,"images":[],"description":"Wossner forged high-performance piston kit for Harley Davidson 1340 EVO Big Twin engines (80 cu. in.) with a 4.250\" stroke. Features 3.534\" bore size, +0.032\" oversize, and domed pistons for a 9.5:1 compression ratio. The kit includes 2 skirt-coated pistons for reduced friction and extended service life, engineered for optimal combustion chamber heat transfer and even load distribution. Made in Germany, this kit includes rings, clips, and pins. Wossner Part Number: K8542D090-2.","descriptionMarkdown":"### Wossner Piston Kit for Harley Davidson 1340 EVO Big Twin\n\nUpgrade your Harley Davidson's engine performance with this high-quality Wossner piston kit. Specifically designed for 1340 EVO Big Twin engines, this kit is engineered for durability and enhanced power output. The pistons are forged from premium materials and feature advanced coatings for superior friction reduction and longevity.\n\n### Key Features:\n\n \n- Forged High-Performance Pistons: Includes two pistons with skirt coatings to minimize friction and extend service life.\n \n- Optimized Heat Transfer: Engineered to efficiently transfer combustion heat to the cylinder walls for improved thermal management.\n \n- Elliptical Design: Ensures even load distribution across the piston surface, preventing collapse during thermal expansion.\n \n- Domed Piston Configuration: Delivers a 9.5:1 compression ratio, enhancing both performance and thermal efficiency.\n \n- German Manufacturing: Precision crafted in Germany for exceptional quality and reliability.\n \n- Complete Kit: Includes all necessary rings, clips, and pins for a straightforward installation.\n\n### Specifications:\n\n \n- Bore Size: 3.534 inches (+0.032 inch oversize)\n \n- Compression Ratio: 9.5:1\n \n- Stroke: 4.250 inches\n \n- Piston Type: Forged, skirt-coated, domed\n \n- Quantity: 2 pistons per kit\n \n- Manufacturer: Wossner\n \n- Wossner Part Number: K8542D090-2","weightGrams":null,"fitments":[{"make":"HARLEY DAVIDSON","model":"EVO BIG TWIN 1340","cc":null,"notes":null,"years":"1984–1999"}],"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-3534-set2-wossner-k8542d090-2-davidson-road","buyOneNow":null,"basketWithThis":null}},"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."]}}