{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"3c4e1a2ba16b","name":"PISTON KIT 84 SET/4 1999-2007 SUZUKI HAYABUSA HC WOSSNER K8730D300-4","sku":"56-W9897.300.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":793.43,"formatted":"£793.43"},"summary":"Forged piston kit set of four from the Pro Series with a +3.00 mm oversize (84.00 mm bore) and high-compression crown, engineered for performance applications. The elliptical design promotes uniform load distribution during thermal expansion, aiding durability under high-demand conditions. Manufactured in Germany. Features a set of four forged pistons (Pro Series), +3.00 mm oversized bore (84.00 mm, actual piston diameter 83.95 mm), and a three-ring configuration. The elliptical design provides a uniform bearing surface and improved thrust load distribution, with enhanced heat dissipation for thermal stability. Manufactured in Germany. Specifications include a bore size of 84.00 mm (actual piston size 83.95 mm), oversize of +3.00 mm, displacement range of 1299 / 1395 / 1429 cm&sup3;, stroke of 63.00 mm, clearance of 0.05 mm, compression ratio (W&ouml;ssner) of 13.50:1, OEM compression ratio (reference) of 11.00:1, dome volume of &minus;2.45 cm&sup3;, and compression height of 25.10 mm. Cross-reference OEM part numbers include piston kit reference K8730D300-4, clip CW20, piston pin WP029, and replacement ring set RIK84.00B.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"84.00mm"},{"label":"Variant Id","value":"259099"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9897_2E300_2EWO/315344ed928f66eb.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9897_2E300_2EWO/315344ed928f66eb.jpg"],"description":"Forged piston kit set of four from the Pro Series with a +3.00 mm oversize (84.00 mm bore) and high-compression crown, engineered for performance applications. The elliptical design promotes uniform load distribution during thermal expansion, aiding durability under high-demand conditions. Manufactured in Germany. Features a set of four forged pistons (Pro Series), +3.00 mm oversized bore (84.00 mm, actual piston diameter 83.95 mm), and a three-ring configuration. The elliptical design provides a uniform bearing surface and improved thrust load distribution, with enhanced heat dissipation for thermal stability. Manufactured in Germany. Specifications include a bore size of 84.00 mm (actual piston size 83.95 mm), oversize of +3.00 mm, displacement range of 1299 / 1395 / 1429 cm&sup3;, stroke of 63.00 mm, clearance of 0.05 mm, compression ratio (W&ouml;ssner) of 13.50:1, OEM compression ratio (reference) of 11.00:1, dome volume of &minus;2.45 cm&sup3;, and compression height of 25.10 mm. Cross-reference OEM part numbers include piston kit reference K8730D300-4, clip CW20, piston pin WP029, and replacement ring set RIK84.00B.","descriptionMarkdown":"### Wossner Pro Series Forged Piston Kit - 84mm Oversize (+3.00mm)\n\nUpgrade your engine's performance with this set of four Wossner Pro Series forged pistons. Designed for high-performance applications, these pistons feature a +3.00 mm oversize bore (84.00 mm) and a high-compression crown for increased power output.\n\nThe pistons boast an advanced elliptical design that ensures uniform load distribution, even under extreme thermal expansion. This innovative feature contributes significantly to durability and longevity in demanding driving conditions. Manufactured with precision in Germany, these pistons are built to last.\n\n**Key Features:**\n\n\t\n- Set of four Pro Series forged pistons\n\t\n- Oversize: +3.00 mm (84.00 mm bore)\n\t\n- Actual piston diameter: 83.95 mm\n\t\n- Three-ring configuration for optimal sealing\n\t\n- Elliptical piston design for superior bearing surface and thrust load distribution\n\t\n- Engineered for enhanced heat dissipation and thermal stability\n\t\n- Precision manufactured in Germany\n\n**Technical Specifications:**\n\n\t\n- Bore Size: 84.00 mm\n\t\n- Oversize: +3.00 mm\n\t\n- Stroke: 63.00 mm\n\t\n- Piston Clearance: 0.05 mm\n\t\n- Compression Ratio (Wossner): 13.50:1\n\t\n- Dome Volume: -2.45 cm&sup3;\n\t\n- Compression Height: 25.10 mm","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-84-set4-1999-2007-suzuki-hayabusa-hc-wossner-k8730d300-4","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/3c4e1a2ba16b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/3c4e1a2ba16b: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."]}}