{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ef2479332e1b","name":"PISTON KIT 81-83 CR250 66.00, FORGED WOSSNER 8155DA","sku":"56-W466+P0.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":153.68,"formatted":"£153.68"},"summary":"Wossner 66mm Bore Piston Kit 8155DA. This high-performance forged piston features an elliptical design for even load distribution and reduced localized pressure. Optimized for durability and efficient heat transfer, it is designed for two-stroke applications and manufactured in Germany. Specifications include a bore size of 66mm, actual bore diameter of 65.94mm, compression ratio of two-stroke, displacement of 246cc, stroke of 72.00mm, clearance of 0.06mm, and compression height of 241.20mm. Includes lock P/N CW18, pin P/N WP033, and ring set P/N RSB6600 x2. Cross-reference OEM part numbers are 13100-KA4-711 and 466M06600.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66mm"},{"label":"Variant Id","value":"255824"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W466_2BP0_2EWO/09624525f3c3ca4d.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W466_2BP0_2EWO/09624525f3c3ca4d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W466_2BP0_2EWO/d748379fee6dc776.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W466_2BP0_2EWO/f3b3f1643d1478c6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W466_2BP0_2EWO/f459178302f3d32c.jpg"],"description":"Wossner 66mm Bore Piston Kit 8155DA. This high-performance forged piston features an elliptical design for even load distribution and reduced localized pressure. Optimized for durability and efficient heat transfer, it is designed for two-stroke applications and manufactured in Germany. Specifications include a bore size of 66mm, actual bore diameter of 65.94mm, compression ratio of two-stroke, displacement of 246cc, stroke of 72.00mm, clearance of 0.06mm, and compression height of 241.20mm. Includes lock P/N CW18, pin P/N WP033, and ring set P/N RSB6600 x2. Cross-reference OEM part numbers are 13100-KA4-711 and 466M06600.","descriptionMarkdown":"### Wossner 66mm Bore Forged Piston Kit for Honda CR250R\n\nUpgrade your engine's performance and durability with the Wossner 66mm Bore Piston Kit (Part No. 8155DA). This high-performance, forged piston is engineered in Germany specifically for two-stroke engines, offering superior strength and efficiency.\n\nThe piston features an advanced elliptical design that ensures even load distribution across the cylinder wall. This intelligent design minimizes localized pressure points, helping to prevent piston collapse and extending the life of your engine components. Optimized for efficient heat transfer, this Wossner piston contributes to improved combustion efficiency, unlocking the full potential of your motorcycle.\n\n**Key Features:**\n\n\t\n- High-Strength Forged Construction: Built for extreme durability and resistance to high temperatures and pressures.\n\t\n- Elliptical Design: Promotes even thrust load distribution for reduced wear and enhanced reliability.\n\t\n- Optimized Heat Transfer: Improves combustion efficiency and overall engine performance.\n\t\n- Two-Stroke Specific: Meticulously designed for the unique demands of two-stroke engine applications.\n\t\n- German Engineering: Manufactured to exacting standards for premium quality and performance.\n\n**Specifications:**\n\n\t\n- Bore Size: 66mm\n\t\n- Actual Bore Diameter: 65.94mm\n\t\n- Stroke: 72.00mm\n\t\n- Clearance: 0.06mm\n\n**Included Components:**\n\n\t\n- Lock Piston Pin Retainers: CW18\n\t\n- Piston Pin: WP033\n\t\n- Ring Sets: RSB6600 (x2)","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-81-83-cr250-6600-forged-wossner-8155da","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ef2479332e1b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ef2479332e1b: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."]}}