{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"eab75327dae8","name":"PISTON KIT 4 KAW KZ1000 ST Z1R WOSSNER K8797D100-4 71.00mm","sku":"56-W9870.100.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":793.43,"formatted":"£793.43"},"summary":"PISTON KIT 4 KAW KZ1000 ST Z1R WOSSNER K8797D100-4 71.00mm. Bore: 71mm. Wossner Part No.: K8797D100-4 (+1mm). Wossner forged pistons offer superior strength and design. Engineered to optimize combustion chamber heat transfer to cylinder walls. Elliptically designed for a more uniform bearing surface under piston heat expansion, preventing localized pressure and distributing thrust loads evenly to prevent piston collapse. Made in Germany. Part No.: 56-W9870.100.WO. Clip Part No.: CW17. Piston Pin: WP083. Ring Set: 710XDS. Specifications: Displacement (cm&sup3;): 1045 / 1075. Hub Stroke (mm): 66.00. Clearance (mm): 0.06. Wossner Compression Ratio: 10.00:1. OEM Compression Ratio: 2-stroke. Compression Height (mm): 32.00. Theoretical Weight (G).","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"259007"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9870_2E100_2EWO/017a16bbae839fb3.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9870_2E100_2EWO/017a16bbae839fb3.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9870_2E100_2EWO/f46704fe5eb2c9c8.jpg"],"description":"PISTON KIT 4 KAW KZ1000 ST Z1R WOSSNER K8797D100-4 71.00mm. Bore: 71mm. Wossner Part No.: K8797D100-4 (+1mm). Wossner forged pistons offer superior strength and design. Engineered to optimize combustion chamber heat transfer to cylinder walls. Elliptically designed for a more uniform bearing surface under piston heat expansion, preventing localized pressure and distributing thrust loads evenly to prevent piston collapse. Made in Germany. Part No.: 56-W9870.100.WO. Clip Part No.: CW17. Piston Pin: WP083. Ring Set: 710XDS. Specifications: Displacement (cm&sup3;): 1045 / 1075. Hub Stroke (mm): 66.00. Clearance (mm): 0.06. Wossner Compression Ratio: 10.00:1. OEM Compression Ratio: 2-stroke. Compression Height (mm): 32.00. Theoretical Weight (G).","descriptionMarkdown":"### Wossner 71.00mm Piston Kit for Kawasaki Motorcycles\n\nUpgrade your engine's performance with this high-quality Wossner forged piston kit. Engineered for superior strength and optimal heat transfer, this kit is designed to enhance combustion efficiency and ensure even load distribution for maximum durability.\n\n**Key Features:**\n\n\t\n- Forged Strength: Wossner forged pistons are renowned for their exceptional strength and advanced design.\n\t\n- Optimized Heat Transfer: Engineered to efficiently transfer combustion chamber heat to cylinder walls for improved performance.\n\t\n- Elliptical Design: Features an elliptical profile for a more uniform bearing surface under heat expansion, preventing localized pressure and distributing thrust loads evenly to avoid piston collapse.\n\t\n- Precision Manufacturing: Made in Germany to exacting standards.\n\t\n- Bore Size: 71.00mm\n\t\n- Part Number: K8797D100-4 (+1mm)\n\n**Specifications:**\n\n\t\n- Displacement (cm³): 1045 / 1075\n\t\n- Stroke (mm): 66.00\n\t\n- Clearance (mm): 0.06\n\t\n- Wossner Compression Ratio: 10.00:1\n\t\n- Compression Height (mm): 32.00","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KZ 1000","cc":null,"notes":null,"years":"1980"}],"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-4-kaw-kz1000-st-z1r-wossner-k8797d100-4-7100mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/eab75327dae8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/eab75327dae8:1"}},"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."]}}