{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"42ecd86bc779","name":"PISTON KIT 99-25 YZ250 66.40, WISECO 804M06640B PRO-LITE","sku":"56-W742.B.WI","brand":"Wiseco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":177.97,"formatted":"£177.97"},"summary":"Wiseco 804M06640B Pro-Lite Piston Assembly. Bore size 66.40mm. Features innovative forging design and piston skirt for maximum horsepower and torque. Includes lightweight wrist pins for faster revs and quicker throttle response. Requires ceramic composite cylinder sleeving or replating for oversizes. Top-end bearing available separately (part no. B1003). Package includes one 66.4mm piston, two 2614CD rings, two CW18 circlips, and one S508 wrist pin. Sold by application and bore size.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.40mm"},{"label":"Variant Id","value":"257601"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W742_2EB_2EWI/da844fc4cf1a27e2.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W742_2EB_2EWI/da844fc4cf1a27e2.png"],"description":"Wiseco 804M06640B Pro-Lite Piston Assembly. Bore size 66.40mm. Features innovative forging design and piston skirt for maximum horsepower and torque. Includes lightweight wrist pins for faster revs and quicker throttle response. Requires ceramic composite cylinder sleeving or replating for oversizes. Top-end bearing available separately (part no. B1003). Package includes one 66.4mm piston, two 2614CD rings, two CW18 circlips, and one S508 wrist pin. Sold by application and bore size.","descriptionMarkdown":"### Wiseco Pro-Lite Piston Kit 66.40mm for Yamaha YZ250 and Fantic XX 250\n\nEnhance your motorcycle's performance with the Wiseco Pro-Lite Piston Kit. Engineered for durability, longevity, and increased horsepower, this piston assembly is a superior upgrade for your engine.\n\n#### Key Features:\n\n \n- Innovative Forging Design: Features an advanced forging design and piston skirt for maximum horsepower and torque gains.\n \n- Lightweight Construction: Includes lightweight wrist pins to enable faster revving and quicker throttle response.\n \n- High-Quality Components: Comes with a 66.4mm piston, two rings (part no. 2614CD), two circlips (part no. CW18), and one wrist pin (part no. S508).\n \n- Application Specific: Pistons, rings, and kits are sold by application and bore size. Ensure you know your standard bore size to order the correct standard or oversize piston.\n \n- Durability: Designed for robust performance and extended engine life.\n\n**Note:** Ceramic composite-cylinder sleeving or replating is required for oversizes. A top-end bearing is available separately (part no. B1003).","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-804m06640b-pro-lite","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/42ecd86bc779:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/42ecd86bc779:1"}},"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."]}}