{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f916ac7f200f","name":"PISTON KIT SET/4 84 NC 1999-2007 SUZUKI HAYABUSA WOSSNER K4017D300-4","sku":"56-W9897.300.NC.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":793.43,"formatted":"£793.43"},"summary":"Set of 4 Wossner forged Pro Series pistons with a +3.00mm oversize bore of 84.00mm. Features an elliptical piston design for heat expansion management and even thrust load distribution, optimizing heat transfer and mechanical strength. Includes a 3-ring design, piston pin, and clips. Manufactured in Germany. Part number K4017D300-4. Bore size 84.00mm (actual piston diameter 83.95mm), stroke 63.00mm, clearance 0.05mm, compression ratio 12.00:1, compression height 25.25mm, theoretical weight 253g. Replacement ring set RIK84.00B.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"309140"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9897_2E300_2ENC_2EWO/315344ed928f66eb.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9897_2E300_2ENC_2EWO/315344ed928f66eb.jpg"],"description":"Set of 4 Wossner forged Pro Series pistons with a +3.00mm oversize bore of 84.00mm. Features an elliptical piston design for heat expansion management and even thrust load distribution, optimizing heat transfer and mechanical strength. Includes a 3-ring design, piston pin, and clips. Manufactured in Germany. Part number K4017D300-4. Bore size 84.00mm (actual piston diameter 83.95mm), stroke 63.00mm, clearance 0.05mm, compression ratio 12.00:1, compression height 25.25mm, theoretical weight 253g. Replacement ring set RIK84.00B.","descriptionMarkdown":"### Wossner Piston Kit Set - 4 Pistons, 84mm Bore, +3.00mm Oversize\n\nElevate your engine's performance with this premium Wossner Piston Kit, engineered for durability and power. This set includes four forged pistons from Wossner's Pro Series, specifically designed for high-performance applications. The elliptical piston design is a key feature, meticulously crafted to manage heat expansion effectively and distribute thrust loads evenly. This reduces stress on the piston and helps prevent piston collapse, ensuring reliable operation even under demanding conditions. Manufactured in Germany, these pistons represent the pinnacle of quality and precision engineering.\n\n**Key Features:**\n\n \n- Set of 4 forged Wossner Pro Series pistons\n \n- +3.00mm oversized bore for increased displacement\n \n- 84.00mm bore size (actual piston diameter 83.95mm)\n \n- Durable 3-ring design\n \n- Elliptical construction for superior heat expansion management and load distribution\n \n- Optimised for efficient heat transfer and robust mechanical strength\n \n- Made in Germany to exacting standards\n\n**Specifications:**\n\n \n- Part Number: K4017D300-4\n \n- Bore Size: 84.00mm (83.95mm piston diameter)\n \n- Oversize: +3.00mm\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: 253g per piston\n\n**Related Components:**\n\n \n- Clip: CW20\n \n- Piston Pin: WP029-SP\n \n- Replacement Ring Set: RIK84.00B","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-set4-84-nc-1999-2007-suzuki-hayabusa-wossner-k4017d300-4","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f916ac7f200f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f916ac7f200f: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."]}}