{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9371f44ff792","name":"PISTON KIT 15-16 KX250F 77 HC, HIGH COMPRESSION, WOSSNER 8922DC KXF250","sku":"56-W331.C.WO.HC","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":172.51,"formatted":"£172.51"},"summary":"Wossner high-compression forged piston kit. Features an elliptical design for even bearing surface distribution, reducing localized pressure and preventing collapse. Engineered for superior strength and heat transfer. Manufactured in Germany. Bore Size: 77.02mm, Standard Bore: 76.97mm, Stroke: 53.60mm, Clearance: 0.05mm, Wossner Compression Ratio: 14.50:1, OEM Compression Ratio: 13.80:1, Dome Volume: -1.78 cm&sup3;, Compression Height: 19.80mm, Theoretical Weight: 136g. Piston Part Number: 8922DC, Lock Part Number: CW16, Pin Part Number: WP087, Ring Set Part Number: 770XAS-2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"255328"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W331_2EC_2EWO_2EHC/032cb234db042724.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W331_2EC_2EWO_2EHC/032cb234db042724.jpg"],"description":"Wossner high-compression forged piston kit. Features an elliptical design for even bearing surface distribution, reducing localized pressure and preventing collapse. Engineered for superior strength and heat transfer. Manufactured in Germany. Bore Size: 77.02mm, Standard Bore: 76.97mm, Stroke: 53.60mm, Clearance: 0.05mm, Wossner Compression Ratio: 14.50:1, OEM Compression Ratio: 13.80:1, Dome Volume: -1.78 cm&sup3;, Compression Height: 19.80mm, Theoretical Weight: 136g. Piston Part Number: 8922DC, Lock Part Number: CW16, Pin Part Number: WP087, Ring Set Part Number: 770XAS-2.","descriptionMarkdown":"### Wossner High Compression Forged Piston Kit 77mm\n\nUpgrade your motorcycle's performance with this high-compression forged piston kit from Wossner. Engineered for durability and superior power output, this piston is designed to deliver enhanced performance for your specific application.\n\n**Key Features:**\n\n\t\n- High Compression Forging: Manufactured using a forging process for exceptional strength and a high compression ratio, leading to increased power.\n\t\n- Elliptical Design: Features an elliptical piston skirt design to ensure even distribution of thrust load across the bearing surface, reducing localized pressure and preventing premature wear.\n\t\n- Advanced Heat Transfer: Designed for enhanced heat transfer to the cylinder walls, contributing to optimal engine operating temperatures and longevity.\n\t\n- German Engineering: Crafted in Germany, ensuring precision manufacturing and adherence to high-quality standards.\n\n**Technical Specifications:**\n\n\t\n- Bore Size: 77.02mm\n\t\n- Standard Bore: 76.97mm\n\t\n- Stroke: 53.60mm\n\t\n- Piston Clearance: 0.05mm\n\t\n- Wossner Compression Ratio: 14.50:1\n\t\n- OEM Compression Ratio: 13.80:1\n\t\n- Dome Volume: -1.78 cm&sup3;\n\t\n- Compression Height: 19.80mm\n\t\n- Theoretical Piston Weight: 136g\n\n**Included Components and Part Numbers:**\n\n\t\n- Piston Part Number: 8922DC\n\t\n- Lock Part Number: CW16\n\t\n- Pin Part Number: WP087\n\t\n- Ring Set Part Number: 770XAS-2","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2015–2016"}],"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-15-16-kx250f-77-hc-high-compression-wossner-8922dc-kxf250","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/9371f44ff792:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/9371f44ff792:1"}},"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."]}}