{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9b6e0bf35ff0","name":"PISTON KIT SET/4 HAYABUSA 81 NC 99-07, WOSSNER K4017DA-4 SUZUKI, NC / 3-RING 99-07 DISP. 1299cc","sku":"56-W9897.000.NC.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":793.43,"formatted":"£793.43"},"summary":"Set of 4 forged Wossner pistons (Pro Series) for standard bore applications, 81mm bore size (actual piston diameter 80.95mm), 3-ring configuration, elliptical shape for even pressure distribution, designed for high-performance and heat-intensive environments. Made in Germany. Part Number: K4017DA-4. Bore Size: 81.00mm (actual piston size 80.95mm). Displacement: 1299cc. Stroke: 63.00mm. Clearance: 0.05mm. Wossner Compression Ratio: 12.00:1. Compression Height: 25.25mm. Theoretical Weight: 228.00g. Includes clip CW20, piston pin WP029-SP, and replacement ring set RIK81.00A.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"309138"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9897_2E000_2ENC_2EWO/315344ed928f66eb.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9897_2E000_2ENC_2EWO/315344ed928f66eb.jpg"],"description":"Set of 4 forged Wossner pistons (Pro Series) for standard bore applications, 81mm bore size (actual piston diameter 80.95mm), 3-ring configuration, elliptical shape for even pressure distribution, designed for high-performance and heat-intensive environments. Made in Germany. Part Number: K4017DA-4. Bore Size: 81.00mm (actual piston size 80.95mm). Displacement: 1299cc. Stroke: 63.00mm. Clearance: 0.05mm. Wossner Compression Ratio: 12.00:1. Compression Height: 25.25mm. Theoretical Weight: 228.00g. Includes clip CW20, piston pin WP029-SP, and replacement ring set RIK81.00A.","descriptionMarkdown":"### Wossner Piston Kit Set for Suzuki Hayabusa (1999-2007) - 1299cc\n\nUpgrade your Suzuki Hayabusa's performance with this high-quality Wossner Piston Kit. Designed for standard bore applications on models from 1999 to 2007, this set includes four forged Pro Series pistons engineered for demanding, high-performance use.\n\nThese pistons feature an advanced elliptical design that optimizes load distribution, significantly reducing the risk of piston collapse under extreme thermal expansion. Their excellent heat transfer properties ensure consistent performance even in heat-intensive environments. Manufactured in Germany, this kit maintains the original 1299cc displacement.\n\n**Key Features:**\n\n \n- Set of 4 forged Wossner Pro Series pistons\n \n- Standard bore size (81.00mm) for a precise fit\n \n- 3-ring configuration for reliable sealing\n \n- Elliptical shape ensures even pressure distribution\n \n- Engineered for high performance and durability\n \n- Manufactured in Germany to exacting standards\n\n**Specifications:**\n\n \n- Part Number: K4017DA-4\n \n- Piston Diameter: 80.95mm\n \n- Displacement: 1299cc\n \n- Stroke: 63.00mm\n \n- Clearance: 0.05mm\n \n- Wossner Compression Ratio: 12.00:1\n \n- Compression Height: 25.25mm\n \n- Theoretical Weight: 228.00g\n\n**Included Components:**\n\n \n- Set of 4 pistons\n \n- Piston pins\n \n- Retaining clips\n \n- Replacement ring set","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-81-nc-99-07-wossner-k4017da-4-suzuki-nc-3-ring-99-07-di","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/9b6e0bf35ff0:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/9b6e0bf35ff0:1"}},"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."]}}