{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"14a36434cdcb","name":"N.L.A OFFER STD COMP 56-W4835+00CWO, PISTON KIT 06-11 YFZ450 95 HC, FORGED WOSSNER 8657DC","sku":"56-W235.WO.C","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":148.46,"formatted":"£148.46"},"summary":"Wossner forged piston kit with a 95.02mm bore and 94.97mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications include bore 95.02mm, diameter 94.97mm, display (cm³) 449, stroke (mm) 63.40, clearance (mm) 0.05, Wossner compression ratio 13.50:1, OEM compression ratio 11.40:1, dome volume (cm³) -1.60, and compression height (mm) 25.10. Cross-reference OEM part numbers include Wossner Piston Yamaha YFZ450 (PN# 8657DC), Lock P/N: CW20, Pin P/N: WP038, Ring Set P/N: 950ADS-2, and Rod P/N: P4030.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"95mm"},{"label":"Variant Id","value":"255138"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W235_2EWO_2EC/fc4fac98e540153f.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W235_2EWO_2EC/fc4fac98e540153f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W235_2EWO_2EC/0201910cb7955614.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W235_2EWO_2EC/9867469dbb18c6a2.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W235_2EWO_2EC/66c3f10b242e7b67.jpg"],"description":"Wossner forged piston kit with a 95.02mm bore and 94.97mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications include bore 95.02mm, diameter 94.97mm, display (cm³) 449, stroke (mm) 63.40, clearance (mm) 0.05, Wossner compression ratio 13.50:1, OEM compression ratio 11.40:1, dome volume (cm³) -1.60, and compression height (mm) 25.10. Cross-reference OEM part numbers include Wossner Piston Yamaha YFZ450 (PN# 8657DC), Lock P/N: CW20, Pin P/N: WP038, Ring Set P/N: 950ADS-2, and Rod P/N: P4030.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha YFZ450\n\nEnhance the performance and durability of your Yamaha YFZ450 with this premium forged piston kit from Wossner. Engineered in Germany, this piston kit is designed for superior strength, optimal heat transfer, and exceptional load distribution, ensuring reliable performance under demanding conditions.\n\n### Key Features\n\n\t\n- Forged Construction: Provides superior strength and resilience compared to cast pistons, capable of withstanding higher combustion pressures and temperatures.\n\t\n- Optimized Heat Transfer: Designed to efficiently transfer heat to the cylinder walls, promoting consistent combustion and preventing overheating.\n\t\n- Elliptical Design: Features an elliptical shape that ensures a uniform bearing surface even under extreme heat expansion. This design minimizes localized pressure points and evenly distributes thrust loads, effectively preventing piston collapse.\n\t\n- Premium German Manufacturing: Crafted with precision and high-quality materials in Germany, guaranteeing exceptional standards of production and reliability.\n\n### Specifications\n\n\t\n- Bore: 95.02mm\n\t\n- Diameter: 94.97mm\n\t\n- Display (cm³): 449\n\t\n- Stroke (mm): 63.40\n\t\n- Clearance (mm): 0.05\n\t\n- Wossner Compression Ratio: 13.50:1\n\t\n- OEM Compression Ratio: 11.40:1\n\t\n- Dome Volume (cm³): -1.60\n\t\n- Compression Height (mm): 25.10\n\n### Included Components\n\n\t\n- Wossner Piston (Part Number: 8657DC)\n\t\n- Lock P/N: CW20\n\t\n- Pin P/N: WP038\n\t\n- Ring Set P/N: 950ADS-2\n\t\n- Rod P/N: P4030","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YFZ 450","cc":null,"notes":null,"years":"2006–2017"}],"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/nla-offer-std-comp-56-w483500cwo-piston-kit-06-11-yfz450-95-hc-forged-wossner-86","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."]}}