{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"6d44d3edbfcb","name":"PISTON KIT 83-84 KAWASAKI KZ1100 WOSSNER K8798D250-4","sku":"56-W9812.75.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":793.43,"formatted":"£793.43"},"summary":"Wossner Piston Kit K8798D250-4 (STD) with a bore of 74mm and piston pin diameter of 18mm. This kit features Wossner forged pistons known for superior strength and design, engineered to optimize combustion chamber heat transfer. The pistons are elliptically designed to ensure a uniform bearing surface under heat expansion, preventing localized pressure and distributing thrust loads evenly. Manufactured in Germany. Specifications include piston diameter 75mm, piston pin diameter 18mm, lock part number CW18, pin part number WP031, and ring set part number 750XDS. Performance metrics: Displacement (cm³) 1170 / 1262, Hub Stroke (mm) 66.20, Clearance (mm) 0.06, Wossner Compression Ratio 10.30:1, OEM Compression Ratio 18.90:1, Dome Volume (cm³) +16.20, Compression Height (mm) 25.60.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"258797"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9812_2E75_2EWO/a2d4242e74056e7f.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9812_2E75_2EWO/a2d4242e74056e7f.jpg"],"description":"Wossner Piston Kit K8798D250-4 (STD) with a bore of 74mm and piston pin diameter of 18mm. This kit features Wossner forged pistons known for superior strength and design, engineered to optimize combustion chamber heat transfer. The pistons are elliptically designed to ensure a uniform bearing surface under heat expansion, preventing localized pressure and distributing thrust loads evenly. Manufactured in Germany. Specifications include piston diameter 75mm, piston pin diameter 18mm, lock part number CW18, pin part number WP031, and ring set part number 750XDS. Performance metrics: Displacement (cm³) 1170 / 1262, Hub Stroke (mm) 66.20, Clearance (mm) 0.06, Wossner Compression Ratio 10.30:1, OEM Compression Ratio 18.90:1, Dome Volume (cm³) +16.20, Compression Height (mm) 25.60.","descriptionMarkdown":"### Wossner Piston Kit for High-Performance Kawasaki Engines\n\nUpgrade your Kawasaki engine with a premium Wossner forged piston kit, engineered for superior strength, durability, and performance. This kit is designed to optimize combustion and heat transfer, ensuring your engine runs cooler and more efficiently.\n\n#### Key Features:\n\n\t\n- Wossner Forged Piston: Renowned for exceptional strength and advanced design.\n\t\n- Optimized Heat Transfer: Engineered to effectively transfer combustion chamber heat to the cylinder walls, promoting better engine cooling.\n\t\n- Elliptical Design: Ensures a uniform bearing surface, even under high heat expansion. This design prevents localized pressure and distributes thrust loads evenly, effectively preventing piston collapse.\n\t\n- Precision Manufacturing: Manufactured to exacting standards in Germany.\n\n#### Specifications:\n\n\t\n- Manufacturer: Wossner\n\t\n- Model Number: K8798D250-4\n\t\n- Piston Diameter: 75mm\n\t\n- Piston Pin Diameter: 18mm\n\t\n- Lock Part Number: CW18\n\t\n- Pin Part Number: WP031\n\t\n- Ring Set Part Number: 750XDS\n\t\n- Compression Height: 25.60mm\n\t\n- Dome Volume: +16.20 cm&sup3;\n\t\n- Wossner Compression Ratio: 10.30:1\n\t\n- Piston Clearance: 0.06mm","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KZ 1100","cc":null,"notes":null,"years":"1983–1984"}],"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-83-84-kawasaki-kz1100-wossner-k8798d250-4","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/6d44d3edbfcb:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/6d44d3edbfcb: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."]}}