{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"efdaa7ef31a0","name":"PISTON KIT SET/4 HAYABUSA 85 HC, WOSSNER K8730D400-4 SUZUKI, HC / 3-RING 99-07 DISP. 1429cc","sku":"56-W9897.400.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":793.43,"formatted":"£793.43"},"summary":"Wossner K8730D400-4 Piston Kit Set of 4 Forged pistons Pro Series +4.00mm oversize bore 85.00mm for Suzuki Hayabusa 1999-2007. This kit increases engine displacement to 1429cc. The pistons feature an elliptical design for even thrust load distribution and effective heat expansion management. Manufactured in Germany, this high-compression kit has a 3-ring configuration and is optimized for heat transfer and structural reliability. Specifications include: Bore Size 85.00mm (actual piston diameter 84.95mm), Oversize +4.00mm, Displacement 1429cc, Stroke 63.00mm, Clearance 0.05mm, Wossner Compression Ratio 13.50:1, OEM Compression Ratio 11.00:1, Dome Volume -2.45cm³, Compression Height 25.10mm. Includes cross-reference OEM part numbers for Clip CW20, Piston Pin WP029, and Replacement Ring Set 850XDS.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"85.00mm"},{"label":"Variant Id","value":"259100"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock58046_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock58046_1.jpg"],"description":"Wossner K8730D400-4 Piston Kit Set of 4 Forged pistons Pro Series +4.00mm oversize bore 85.00mm for Suzuki Hayabusa 1999-2007. This kit increases engine displacement to 1429cc. The pistons feature an elliptical design for even thrust load distribution and effective heat expansion management. Manufactured in Germany, this high-compression kit has a 3-ring configuration and is optimized for heat transfer and structural reliability. Specifications include: Bore Size 85.00mm (actual piston diameter 84.95mm), Oversize +4.00mm, Displacement 1429cc, Stroke 63.00mm, Clearance 0.05mm, Wossner Compression Ratio 13.50:1, OEM Compression Ratio 11.00:1, Dome Volume -2.45cm³, Compression Height 25.10mm. Includes cross-reference OEM part numbers for Clip CW20, Piston Pin WP029, and Replacement Ring Set 850XDS.","descriptionMarkdown":"### Wossner 4-Piece Piston Kit for Suzuki Hayabusa (1999-2007) - 1429cc\n\nEnhance the performance of your Suzuki Hayabusa with this high-compression 4-piece piston kit from Wossner. Engineered for precision and durability, these pistons are designed to increase your engine's displacement to 1429cc. This kit is ideal for both demanding street use and competitive racing environments, offering a significant upgrade over stock components.\n\n#### Key Features:\n\n \n- Set of 4 forged Wossner Pro Series pistons\n \n- Features a +4.00mm oversized bore, resulting in a 85.00mm bore size (actual piston diameter 84.95mm)\n \n- Utilizes a 3-ring configuration for optimal sealing and performance\n \n- Elliptical piston design ensures balanced heat expansion and even thrust load distribution\n \n- Manufactured in Germany to Wossner's exacting standards for superior heat transfer and structural reliability\n \n- High compression ratio of 13.50:1 for increased power output\n\n#### Specifications:\n\n \n- Part Number: K8730D400-4\n \n- Bore Size: 85.00mm (actual piston size 84.95mm)\n \n- Oversize: +4.00mm\n \n- Engine Displacement: 1429cc\n \n- Displacement Range Displayed: 1299 / 1395 / 1429 cm&sup3;\n \n- Stroke: 63.00mm\n \n- Clearance: 0.05mm\n \n- Wossner Compression Ratio: 13.50:1\n \n- OEM Compression Ratio: 11.00:1\n \n- Dome Volume: -2.45cm&sup3;\n \n- Compression Height: 25.10mm\n\n#### Replacement Components:\n\n \n- Clip: CW20\n \n- Piston Pin: WP029\n \n- Replacement Ring Set: 850XDS","weightGrams":null,"fitments":[{"make":"SUZUKI","model":"GSX R HAYABUSA 1300","cc":null,"notes":null,"years":"1999–2007"}],"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-set4-hayabusa-85-hc-wossner-k8730d400-4-suzuki-hc-3-ring-99-07-disp-1","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/efdaa7ef31a0:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/efdaa7ef31a0:1"}},"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."]}}