{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a1e0124d1f7b","name":"PISTON KIT 11-14 ZX10R KAW, WOSSNER K8832D300-4 FULL SET, KAWASAKI ROAD","sku":"56-W9809.79.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":793.43,"formatted":"£793.43"},"summary":"Wossner forged piston kit with a 79mm bore is an oversized (+3.00mm) replacement. Manufactured in Germany using forged construction for high-performance applications requiring superior durability and efficient thermal management. The elliptical design ensures uniform pressure distribution under expansion, minimising the risk of piston collapse. Features include forged construction for exceptional strength and durability, optimised for effective heat transfer, and an elliptical profile that provides a consistent bearing surface under heat expansion. Prevents localised pressure buildup and distributes thrust loads evenly. Specifications: Bore 79mm (+3.00mm Oversize), Actual bore 78.94mm, Display volume 998 cm³, Stroke 55.00mm, Clearance 0.06mm, Wossner compression ratio 13.50:1, OEM compression ratio 13.00:1, Dome volume -3.00 cm³, Compression height 22.70mm. Lock Part Number: CW17, Pin Part Number: WP038, Ring Set Part Number: 790XAS. Cross-Reference OEM Part Numbers: 56-W9809.79.WO, K8832D300-4.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"258795"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57741_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57741_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57741_2.jpg"],"description":"Wossner forged piston kit with a 79mm bore is an oversized (+3.00mm) replacement. Manufactured in Germany using forged construction for high-performance applications requiring superior durability and efficient thermal management. The elliptical design ensures uniform pressure distribution under expansion, minimising the risk of piston collapse. Features include forged construction for exceptional strength and durability, optimised for effective heat transfer, and an elliptical profile that provides a consistent bearing surface under heat expansion. Prevents localised pressure buildup and distributes thrust loads evenly. Specifications: Bore 79mm (+3.00mm Oversize), Actual bore 78.94mm, Display volume 998 cm³, Stroke 55.00mm, Clearance 0.06mm, Wossner compression ratio 13.50:1, OEM compression ratio 13.00:1, Dome volume -3.00 cm³, Compression height 22.70mm. Lock Part Number: CW17, Pin Part Number: WP038, Ring Set Part Number: 790XAS. Cross-Reference OEM Part Numbers: 56-W9809.79.WO, K8832D300-4.","descriptionMarkdown":"### Wossner 79mm Oversize Piston Kit for High-Performance Kawasaki ZX10R\n\nThis Wossner piston kit features a 79mm bore, representing a +3.00mm oversize replacement for select Kawasaki ZX10R models. Engineered in Germany for demanding, high-performance applications, this piston kit is constructed from forged materials to ensure exceptional strength, superior durability, and efficient thermal management.\n\nThe innovative elliptical design of this piston is crucial for maintaining a consistent bearing surface even under extreme heat and expansion. This design minimizes the risk of piston collapse by ensuring uniform pressure distribution, preventing localized stress build-up, and evenly distributing thrust loads across the cylinder wall.\n\n#### Key Features:\n\n\t\n- Forged construction for superior strength and longevity\n\t\n- Optimized for effective heat transfer from the combustion chamber to the cylinder walls\n\t\n- Elliptical profile ensures a stable bearing surface during thermal expansion\n\t\n- Prevents concentrated pressure points and promotes even thrust load distribution\n\t\n- Precision manufactured in Germany\n\n#### Specifications:\n\n\t\n- Bore Size: 79mm (Oversize +3.00mm)\n\t\n- Actual Bore Diameter: 78.94mm\n\t\n- Displacement Volume: 998 cm&sup3;\n\t\n- Stroke: 55.00mm\n\t\n- Piston Clearance: 0.06mm\n\t\n- Wossner Compression Ratio: 13.50:1\n\t\n- OEM Compression Ratio: 13.00:1\n\t\n- Dome Volume: -3.00 cm&sup3;\n\t\n- Compression Height: 22.70mm\n\t\n- Lock Ring Part Number: CW17\n\t\n- Piston Pin Part Number: WP038\n\t\n- Ring Set Part Number: 790XAS","weightGrams":null,"fitments":[],"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-11-14-zx10r-kaw-wossner-k8832d300-4-full-set-kawasaki-road","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a1e0124d1f7b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a1e0124d1f7b: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."]}}