{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"abb07590055e","name":"PISTON KIT 12-18 CRF150R 66.00, 8861DB WOSSNER","sku":"56-W914.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":155.36,"formatted":"£155.36"},"summary":"Wossner forged piston kit 8861DB is a +0.01mm oversized piston with a 66.01mm bore (measured at 65.96mm). It features a Teflon-coated skirt and precision-engineered forged construction for excellent durability, thermal performance, and a precise fit for high-revving four-stroke engines. Forged construction provides maximum strength and longevity. The elliptical design ensures even pressure distribution during thermal expansion, and it offers high-efficiency heat transfer from the combustion chamber to cylinder walls. The hard Teflon skirt coating enhances fit and bore conformity, reducing localised stress to prevent piston collapse. Made in Germany. Specifications include a bore of 66.01mm (measured 65.96mm), display volume of 149 cm&sup3;, stroke of 43.80mm, clearance of 0.05mm, compression height of 20.60mm, Wossner compression ratio of OEM, OEM compression ratio of 11.70:1, dome volume of -1.40 cm&sup3;. Part No. 56-W914.B.WO (Wossner 8861DB). Includes ring set 660XKS, lock P/N CW14, and pin P/N WP058.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.00mm"},{"label":"Variant Id","value":"258217"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W914_2EB_2EWO/111c5e3dec8a2251.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W914_2EB_2EWO/111c5e3dec8a2251.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W914_2EB_2EWO/75b0ccb2906719f2.jpg"],"description":"Wossner forged piston kit 8861DB is a +0.01mm oversized piston with a 66.01mm bore (measured at 65.96mm). It features a Teflon-coated skirt and precision-engineered forged construction for excellent durability, thermal performance, and a precise fit for high-revving four-stroke engines. Forged construction provides maximum strength and longevity. The elliptical design ensures even pressure distribution during thermal expansion, and it offers high-efficiency heat transfer from the combustion chamber to cylinder walls. The hard Teflon skirt coating enhances fit and bore conformity, reducing localised stress to prevent piston collapse. Made in Germany. Specifications include a bore of 66.01mm (measured 65.96mm), display volume of 149 cm&sup3;, stroke of 43.80mm, clearance of 0.05mm, compression height of 20.60mm, Wossner compression ratio of OEM, OEM compression ratio of 11.70:1, dome volume of -1.40 cm&sup3;. Part No. 56-W914.B.WO (Wossner 8861DB). Includes ring set 660XKS, lock P/N CW14, and pin P/N WP058.","descriptionMarkdown":"### Wossner Piston Kit for Honda CRF150R\n\n Upgrade your Honda CRF150R with this high-performance Wossner forged piston kit. Designed for demanding off-road use, this kit offers superior strength, durability, and thermal efficiency for your four-stroke engine.\n\n#### Key Features:\n\n \n- Precision forged construction for maximum strength and longevity.\n \n- Elliptical piston design ensures optimal pressure distribution and reduces stress during thermal expansion.\n \n- Engineered for high-efficiency heat transfer, maintaining optimal operating temperatures.\n \n- Features a hard Teflon skirt coating for enhanced piston-to-cylinder wall conformity and reduced friction.\n \n- Minimizes localized stress points to prevent piston collapse under high loads.\n \n- Manufactured in Germany to exacting standards.\n\n#### Specifications:\n\n \n- Bore Size: 66.01mm (measured at 65.96mm)\n \n- Displacement Volume: 149 cm&sup3;\n \n- Stroke: 43.80mm\n \n- Piston Clearance: 0.05mm\n \n- Compression Height: 20.60mm\n \n- Wossner Compression Ratio: OEM\n \n- OEM Compression Ratio: 11.70:1\n \n- Dome Volume: -1.40 cm&sup3;\n \n- Includes: Ring Set (660XKS), Lock P/N (CW14), Pin P/N (WP058)","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 150","cc":null,"notes":null,"years":"2012–2019"},{"make":"HONDA","model":"CRF 150R","cc":null,"notes":null,"years":"2012–2025"}],"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-12-18-crf150r-6600-8861db-wossner","buyOneNow":null,"basketWithThis":null}},"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."]}}