{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"92a605050e63","name":"PISTON KIT 05 YZF/WR450F 95 HC, WOSSNER 8647DB","sku":"56-W202.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":220.73,"formatted":"£220.73"},"summary":"Wossner forged piston kit for high compression and performance with optimized heat transfer for efficient combustion. Features an elliptical design to prevent piston collapse and distribute thrust loads evenly. Manufactured in Germany to high-quality standards. Bore Size: 95.01mm, Actual Bore Diameter: 94.96mm, Displacement: 449 cm³, Stroke: 63.40mm, Clearance: 0.05mm, Wossner Compression Ratio: 13.50:1, OEM Compression Ratio: 12.30:1, Dome Volume: -6.30 cm³, Compression Height: 23.50mm. Includes Lock Part Number: CW18, Pin Part Number: WP053, Ring Set Part Number: 950ADS-2, Rod Part Number: P4007. Weight: 414 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"95mm"},{"label":"Variant Id","value":"254973"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W202_2EB_2EWO/667a014140c8ea4d.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W202_2EB_2EWO/667a014140c8ea4d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W202_2EB_2EWO/331638675eeb5c78.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W202_2EB_2EWO/ea45901bba9a706f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W202_2EB_2EWO/3c5e09dbd36c0074.jpg"],"description":"Wossner forged piston kit for high compression and performance with optimized heat transfer for efficient combustion. Features an elliptical design to prevent piston collapse and distribute thrust loads evenly. Manufactured in Germany to high-quality standards. Bore Size: 95.01mm, Actual Bore Diameter: 94.96mm, Displacement: 449 cm³, Stroke: 63.40mm, Clearance: 0.05mm, Wossner Compression Ratio: 13.50:1, OEM Compression Ratio: 12.30:1, Dome Volume: -6.30 cm³, Compression Height: 23.50mm. Includes Lock Part Number: CW18, Pin Part Number: WP053, Ring Set Part Number: 950ADS-2, Rod Part Number: P4007. Weight: 414 grams.","descriptionMarkdown":"### Wossner High Compression Piston Kit for Yamaha YZF/WR450F\n\nUpgrade your engine's performance with this Wossner forged piston kit. Engineered for high compression, this piston is designed to deliver enhanced power and efficiency. Its advanced construction promotes optimal heat transfer to the cylinder walls, ensuring effective combustion and consistent operation.\n\nThe innovative elliptical design of the piston is crucial for longevity and performance. This shape ensures a uniform bearing surface even under extreme heat expansion, effectively reducing localized pressure. It evenly distributes thrust loads, preventing piston collapse and maintaining the integrity of your engine.\n\nManufactured in Germany to exacting quality standards, this Wossner piston kit represents superior engineering and reliability for performance enthusiasts.\n\n### Key Features:\n\n \n- High-compression forged piston for increased engine power.\n \n- Engineered for optimized heat transfer and efficient combustion.\n \n- Elliptical design prevents piston collapse by distributing thrust loads evenly.\n \n- Precision manufactured in Germany for high-quality performance.\n\n### Specifications:\n\n \n- Bore Size: 95.01mm\n \n- Actual Bore Diameter: 94.96mm\n \n- Displacement: 449 cm&sup3;\n \n- Stroke: 63.40mm\n \n- Clearance: 0.05mm\n \n- Wossner Compression Ratio: 13.50:1\n \n- OEM Compression Ratio: 12.30:1\n \n- Dome Volume: -6.30 cm&sup3;\n \n- Compression Height: 23.50mm\n\n### Included Components:\n\n \n- Lock Part Number: CW18\n \n- Pin Part Number: WP053\n \n- Ring Set Part Number: 950ADS-2\n \n- Rod Part Number: P4007","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WRF 450","cc":null,"notes":null,"years":"2005"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"2005"}],"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-05-yzfwr450f-95-hc-wossner-8647db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/92a605050e63:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/92a605050e63:1"}},"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."]}}