{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d6510659adc7","name":"PISTON KIT 99-25 YZ250 66.40, WISECO 804M06640A PRO-LITE","sku":"56-W742.A.WI","brand":"Wiseco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":177.97,"formatted":"£177.97"},"summary":"Wiseco Pro-Lite Piston Kit 804M06640. This kit features an innovative forging design and piston skirt for maximum horsepower and torque. Lightweight wrist pins enable faster revs and quicker throttle response. Ceramic composite cylinder sleeving or replating is required for oversizes. Top-end bearings are available separately (part no. B1003). Included items: one 66.4mm piston, two 2614CD rings, two CW18 circlips, and one S508 wrist pin. Sold by application and bore size; standard and oversizes are not indicated. Please know your standard bore size to order the correct part.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.40mm"},{"label":"Variant Id","value":"299585"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W742_2EA_2EWI/da844fc4cf1a27e2.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W742_2EA_2EWI/da844fc4cf1a27e2.png"],"description":"Wiseco Pro-Lite Piston Kit 804M06640. This kit features an innovative forging design and piston skirt for maximum horsepower and torque. Lightweight wrist pins enable faster revs and quicker throttle response. Ceramic composite cylinder sleeving or replating is required for oversizes. Top-end bearings are available separately (part no. B1003). Included items: one 66.4mm piston, two 2614CD rings, two CW18 circlips, and one S508 wrist pin. Sold by application and bore size; standard and oversizes are not indicated. Please know your standard bore size to order the correct part.","descriptionMarkdown":"### Wiseco Pro-Lite Piston Assembly - 804M06640\n\nExperience enhanced durability, longevity, and increased horsepower with the Wiseco Pro-Lite Piston Assembly. This innovative piston features an advanced forging design and piston skirt engineered to maximize horsepower and torque output for your motorcycle engine.\n\n**Key Features:**\n\n \n- Innovative forging design for increased performance.\n \n- Piston skirt designed for maximum horsepower and torque.\n \n- Lightweight wrist pins promote faster engine revs and quicker throttle response.\n \n- Ceramic Composite-Cylinder sleeving or replating is required for oversizes.\n \n- Top-End bearing available separately (part no. B1003).\n\n**Included Items:**\n\n \n- One 66.4mm piston\n \n- Two 2614CD rings\n \n- Two CW18 circlips\n \n- One S508 wrist pin\n\n**Important Note:** Wiseco pistons, rings, and kits are sold by application and bore size. It is crucial to know the standard bore size of your engine to ensure you order the correct standard or oversized piston. Please contact technical support if you have any questions regarding fitment.","weightGrams":null,"fitments":[{"make":"FANTIC","model":"XX 250","cc":null,"notes":null,"years":"2022–2025"},{"make":"SUZUKI","model":"RM 250","cc":null,"notes":null,"years":"2003–2012"},{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1999–2025"},{"make":"YAMAHA","model":"YZ 250X","cc":null,"notes":null,"years":"2016–2025"}],"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-99-25-yz250-6640-wiseco-804m06640a-pro-lite","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d6510659adc7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d6510659adc7:1"}},"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."]}}