{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"81bb57557d40","name":"PISTON KIT 09-12 CRF450R 96.00, WOSSNER 8739DA HONDA FORGED, 13110-MEN-A30","sku":"56-W4978.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":208.24,"formatted":"£208.24"},"summary":"Wossner 8739DA forged piston kit with a 96mm bore (STD). This piston kit is engineered for superior strength and design, providing an optimal path for combustion chamber heat transfer to cylinder walls. It features an elliptical design for uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads evenly to prevent piston collapse. Made in Germany. Includes Lock P/N CW19, Pin P/N WP037, Ring Set P/N 960ADS-2, and Rod P/N P4027. Specifications include 449 cm3 display, 62.10 mm hub stroke, 0.04 mm clearance, OEM compression ratio (12.00:1), -4.60 cm3 dome volume, 20.70 mm compression height, and a theoretical weight of 384 grams. Cross-reference numbers: 13110-MEN-A30, 4978M09600.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"96mm"},{"label":"Variant Id","value":"256523"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55469_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55469_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55469_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55469_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55469_4.jpg"],"description":"Wossner 8739DA forged piston kit with a 96mm bore (STD). This piston kit is engineered for superior strength and design, providing an optimal path for combustion chamber heat transfer to cylinder walls. It features an elliptical design for uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads evenly to prevent piston collapse. Made in Germany. Includes Lock P/N CW19, Pin P/N WP037, Ring Set P/N 960ADS-2, and Rod P/N P4027. Specifications include 449 cm3 display, 62.10 mm hub stroke, 0.04 mm clearance, OEM compression ratio (12.00:1), -4.60 cm3 dome volume, 20.70 mm compression height, and a theoretical weight of 384 grams. Cross-reference numbers: 13110-MEN-A30, 4978M09600.","descriptionMarkdown":"### Wossner Forged Piston Kit - 96mm Bore\n\nUpgrade your engine with a high-performance Wossner Forged Piston Kit. Engineered in Germany, these pistons are designed for superior strength and efficient heat transfer. The elliptical design ensures a uniform bearing surface and even distribution of thrust loads, preventing localized pressure and piston collapse, even under extreme heat expansion.\n\n#### Key Features:\n\n\t\n- Bore Size: 96.00mm\n\t\n- Piston Part Number: 8739DA\n\t\n- Lock Part Number: CW19\n\t\n- Pin Part Number: WP037\n\t\n- Ring Set Part Number: 960ADS-2\n\t\n- Rod Part Number: P4027\n\t\n- Displacement: 449 cm³\n\t\n- Stroke: 62.10 mm\n\t\n- Clearance: 0.04 mm\n\t\n- Compression Ratio: OEM (Original Equipment Manufacturer)\n\t\n- OEM Compression Ratio: 12.00:1\n\t\n- Dome Volume: -4.60 cm³\n\t\n- Compression Height: 20.70 mm\n\t\n- Material: Forged Aluminum Alloy\n\n**Cross Reference Numbers:**\n\n\t\n- 13110-MEN-A30\n\t\n- 4978M09600","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 450R","cc":null,"notes":null,"years":"2009–2016"}],"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-09-12-crf450r-9600-wossner-8739da-honda-forged-13110-men-a30","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/81bb57557d40:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/81bb57557d40:1"}},"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."]}}