{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"064aac444966","name":"PISTON KIT 99-08 TRX XR 85.00, FORGED WOSSNER 8702D300 400","sku":"56-W4628_300.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":187.82,"formatted":"£187.82"},"summary":"Wossner 88mm Bore Piston Kit 8702D300. This high-performance forged piston features an elliptical design for uniform bearing surface expansion, reducing localized pressure and preventing piston collapse. It offers optimized heat transfer for improved combustion efficiency and even thrust load distribution. Manufactured in Germany. Specifications include a bore size of 88mm, actual bore diameter of 87.94mm, compression ratio of 12.5:1 (OEM 10.0:1), displacement of 397cc, stroke of 70.00mm, clearance of 0.06mm, dome volume of +8.40cm&sup3;, and compression height of 26.20mm. Includes Lock P/N CW20, Pin P/N WP052, Ring Set P/N 880XSY, and Rod P/N P4021.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"85mm"},{"label":"Variant Id","value":"255791"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54737_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54737_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54737_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54737_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54737_4.jpg"],"description":"Wossner 88mm Bore Piston Kit 8702D300. This high-performance forged piston features an elliptical design for uniform bearing surface expansion, reducing localized pressure and preventing piston collapse. It offers optimized heat transfer for improved combustion efficiency and even thrust load distribution. Manufactured in Germany. Specifications include a bore size of 88mm, actual bore diameter of 87.94mm, compression ratio of 12.5:1 (OEM 10.0:1), displacement of 397cc, stroke of 70.00mm, clearance of 0.06mm, dome volume of +8.40cm&sup3;, and compression height of 26.20mm. Includes Lock P/N CW20, Pin P/N WP052, Ring Set P/N 880XSY, and Rod P/N P4021.","descriptionMarkdown":"### Wossner Forged Piston Kit for Honda TRX400EX/X\n\n\tUpgrade your Honda TRX400EX or TRX400X with this high-performance Wossner forged piston kit. Engineered for durability and enhanced power output, this kit features a precisely crafted forged piston designed to withstand the demands of performance riding. The advanced elliptical design ensures uniform bearing surface expansion, which helps to reduce localized pressure and prevent piston collapse, leading to a more reliable and efficient engine. Manufactured in Germany, this piston kit is built to exacting standards for superior quality and performance.\n\n**Key Features:**\n\n\t\n- High-strength forged piston construction for maximum durability.\n\t\n- Optimized heat transfer for improved combustion efficiency and engine longevity.\n\t\n- Elliptical piston design for even thrust load distribution and reduced wear.\n\t\n- Precision manufacturing in Germany ensures top-tier quality.\n\n**Specifications:**\n\n\t\n- Bore Size: 88.00mm\n\t\n- Actual Bore Diameter: 87.94mm\n\t\n- Compression Ratio: 12.5:1\n\t\n- OEM Compression Ratio: 10.0:1\n\t\n- Displacement: 397cc\n\t\n- Stroke: 70.00mm\n\t\n- Clearance: 0.06mm\n\t\n- Dome Volume: +8.40cm&sup3;\n\t\n- Compression Height: 26.20mm\n\n\tThis kit includes essential components to ensure a complete and correct installation.\n\n**Included Components:**\n\n\t\n- Lock Piston Pin Retainer: CW20\n\t\n- Piston Pin: WP052\n\t\n- Ring Set: 880XSY\n\t\n- Forged Piston: 8702D300","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-99-08-trx-xr-8500-forged-wossner-8702d300-400","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/064aac444966:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/064aac444966:1"}},"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."]}}