{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"de82d08600a0","name":"PISTON KIT  65.00mm SET/4 HONDA CB750 F K WOSSNER K8799D400-4","sku":"56-W9881.400.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":872.84,"formatted":"£872.84"},"summary":"Wossner forged piston kit set of four pistons for performance engine rebuilds. Features enhanced strength and endurance with improved heat transfer and structural stability. Designed to maximise heat transfer from the combustion chamber to the cylinder walls. The elliptical profile provides a uniform bearing surface under heat expansion, reducing localised pressure and evenly distributing thrust loads while preventing piston collapse and maintaining structural integrity under stress. Manufactured in Germany. Specifications: Bore 65.00 mm (+4.00 mm oversize), Clip part number CW15, Piston pin WP102, Ring set 650XKS, Displacement 836 cm³, Stroke 63.00 mm, Clearance 0.06 mm, Compression ratio 10.30:1, OEM compression ratio 9.20:1, Dome volume -5.30 cm³, Compression height 23.50 mm. Cross-reference OEM part number K8799D400-4.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"259041"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9881_2E400_2EWO/3c6be6cfd7244fbe.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9881_2E400_2EWO/3c6be6cfd7244fbe.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9881_2E400_2EWO/f46704fe5eb2c9c8.jpg"],"description":"Wossner forged piston kit set of four pistons for performance engine rebuilds. Features enhanced strength and endurance with improved heat transfer and structural stability. Designed to maximise heat transfer from the combustion chamber to the cylinder walls. The elliptical profile provides a uniform bearing surface under heat expansion, reducing localised pressure and evenly distributing thrust loads while preventing piston collapse and maintaining structural integrity under stress. Manufactured in Germany. Specifications: Bore 65.00 mm (+4.00 mm oversize), Clip part number CW15, Piston pin WP102, Ring set 650XKS, Displacement 836 cm³, Stroke 63.00 mm, Clearance 0.06 mm, Compression ratio 10.30:1, OEM compression ratio 9.20:1, Dome volume -5.30 cm³, Compression height 23.50 mm. Cross-reference OEM part number K8799D400-4.","descriptionMarkdown":"### Wossner Piston Kit Set of 4 for Honda CB750\n\nThis Wossner Piston Kit is engineered for high-performance engine rebuilds, providing enhanced heat transfer and superior structural stability under demanding conditions. Designed for precision and durability, this kit includes four forged pistons and all associated components necessary for a comprehensive engine upgrade.\n\n**Key Features:**\n\n\t\n- Forged Piston Construction: Offers exceptional strength and longevity for performance applications.\n\t\n- Optimized Heat Transfer: Designed to efficiently move heat from the combustion chamber to the cylinder walls, promoting cooler operation.\n\t\n- Elliptical Piston Profile: Ensures a uniform bearing surface, even as the piston expands under heat, for consistent performance.\n\t\n- Even Load Distribution: Reduces localized pressure points and distributes thrust loads evenly, contributing to engine reliability.\n\t\n- Structural Integrity: Prevents piston collapse and maintains a robust structure even under high stress.\n\t\n- German Manufacturing: Built with precision and quality standards associated with German engineering.\n\n**Specifications:**\n\n\t\n- Bore Size: 65.00 mm (4.00 mm oversize)\n\t\n- Piston Pin Type: WP102\n\t\n- Ring Set Included: 650XKS\n\t\n- Clip Part Number: CW15\n\t\n- Engine Displacement: 836 cm&sup3;\n\t\n- Stroke: 63.00 mm\n\t\n- Piston Clearance: 0.06 mm\n\t\n- Compression Ratio: 10.30:1\n\t\n- OEM Compression Ratio: 9.20:1\n\t\n- Dome Volume: -5.30 cm&sup3;\n\t\n- Compression Height: 23.50 mm\n\n**Cross-Reference OEM Part Number:**\n\n\t\n- K8799D400-4","weightGrams":null,"fitments":[{"make":"HONDA","model":"CB F 750","cc":null,"notes":null,"years":"1969–1978"}],"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-6500mm-set4-honda-cb750-f-k-wossner-k8799d400-4","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/de82d08600a0:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/de82d08600a0:1"}},"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."]}}