{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"05594c9f5046","name":"PISTON KIT 99-08 TRX XR 89.00, FORGED WOSSNER 8702D400 400","sku":"56-W4628_400.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":220.73,"formatted":"£220.73"},"summary":"Wossner 89mm Bore Piston Kit (Part No. 8702D400) is a high-performance forged piston designed for superior strength and durability. It enhances heat transfer within the combustion chamber and features an elliptical design for even load distribution, preventing piston collapse. Manufactured in Germany, this piston kit offers a compression ratio of 12.5:1 for improved engine performance. Features include high-strength forged piston construction, optimized heat transfer for better combustion efficiency, and an elliptical design for uniform bearing surface expansion. Specifications include a bore size of 89mm, actual bore diameter of 88.94mm, a 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. Cross-reference OEM part numbers include Lock P/N CW20, Pin P/N WP052, Ring Set P/N 890XSY, and Rod P/N P4021.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"89mm"},{"label":"Variant Id","value":"255792"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4628_5F400_2EWO/31e1a59c078820e7.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4628_5F400_2EWO/31e1a59c078820e7.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4628_5F400_2EWO/ec45b333ba6541a6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4628_5F400_2EWO/73147bb726abab69.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4628_5F400_2EWO/e61d69049755c1d2.jpg"],"description":"Wossner 89mm Bore Piston Kit (Part No. 8702D400) is a high-performance forged piston designed for superior strength and durability. It enhances heat transfer within the combustion chamber and features an elliptical design for even load distribution, preventing piston collapse. Manufactured in Germany, this piston kit offers a compression ratio of 12.5:1 for improved engine performance. Features include high-strength forged piston construction, optimized heat transfer for better combustion efficiency, and an elliptical design for uniform bearing surface expansion. Specifications include a bore size of 89mm, actual bore diameter of 88.94mm, a 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. Cross-reference OEM part numbers include Lock P/N CW20, Pin P/N WP052, Ring Set P/N 890XSY, and Rod P/N P4021.","descriptionMarkdown":"### Wossner 89mm Forged Piston Kit for Honda TRX400EX/X\n\nUpgrade your engine's performance and durability with the Wossner 89mm Bore Piston Kit. This high-performance forged piston is engineered for superior strength, enhanced heat transfer, and optimized load distribution. Its elliptical design prevents piston collapse, ensuring consistent performance and longevity.\n\n#### Key Features:\n\n\t\n- High-Strength Forged Construction: Built for extreme conditions and enhanced durability.\n\t\n- Optimized Heat Transfer: Improves combustion efficiency within the engine.\n\t\n- Elliptical Design: Promotes uniform bearing surface expansion for reduced wear.\n\t\n- German Engineering: Manufactured in Germany to exacting standards.\n\n#### Specifications:\n\n\t\n- Bore Size: 89.00mm\n\t\n- Actual Bore Diameter: 88.94mm\n\t\n- Compression Ratio: 12.5:1 (Compared to OEM 10.0:1)\n\t\n- Displacement: 397cc\n\t\n- Stroke: 70.00mm\n\t\n- Piston Clearance: 0.06mm\n\t\n- Dome Volume: +8.40cm&sup3;\n\t\n- Compression Height: 26.20mm\n\n#### Included Components:\n\n\t\n- Lock Piston Pin Clip (P/N: CW20)\n\t\n- Piston Pin (P/N: WP052)\n\t\n- Ring Set (P/N: 890XSY)","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-8900-forged-wossner-8702d400-400","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/05594c9f5046:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/05594c9f5046:1"}},"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."]}}