{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a1edcd0194fb","name":"PISTON KIT 02-25 YZ250 66.40, WISECO 808M06640 YAMAHA, Racers Choice, 250cc 1-Ring","sku":"56-W742.WI.RC","brand":"Wiseco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":230.45,"formatted":"£230.45"},"summary":"Wiseco GP-Style Piston Assembly 808M06640. Designed to withstand the demands of the Grand Prix circuit. Features thicker domes than the standard Pro-Lite, pinned on centerline, no intake window. No engine modification required. Electra coated, single ring. Top-End bearing available separately part no. B1003. Included Items: One 66.4mm piston, one 2614CS ring, two CW18 circlips, one S508 wrist pin. Sold by application and bore size. Cross reference numbers: 1P8-11631-00-A0, 1P8-11631-00-B0, 1P8-11631-00-C0. 250cc 1-Ring piston kit.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.40mm"},{"label":"Variant Id","value":"257602"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56548_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56548_1.jpg"],"description":"Wiseco GP-Style Piston Assembly 808M06640. Designed to withstand the demands of the Grand Prix circuit. Features thicker domes than the standard Pro-Lite, pinned on centerline, no intake window. No engine modification required. Electra coated, single ring. Top-End bearing available separately part no. B1003. Included Items: One 66.4mm piston, one 2614CS ring, two CW18 circlips, one S508 wrist pin. Sold by application and bore size. Cross reference numbers: 1P8-11631-00-A0, 1P8-11631-00-B0, 1P8-11631-00-C0. 250cc 1-Ring piston kit.","descriptionMarkdown":"### Wiseco GP-Style Piston Assembly - 808M06640\n\nEngineered for the rigorous demands of Grand Prix racing, this Wiseco piston assembly offers superior performance and durability. Its design focuses on enhancing power output and withstanding extreme operating conditions commonly found in competitive motorsport.\n\n#### Key Features:\n\n \n- GP-Style Piston Assembly designed for high-performance applications.\n \n- Thicker dome construction compared to standard Pro-Lite pistons for increased strength.\n \n- Centerline pinning for optimized performance.\n \n- No intake window for enhanced compression and durability.\n \n- Electra coating for improved wear resistance and reduced friction.\n \n- Single-ring design for reduced drag and increased responsiveness.\n \n- No engine modification is required for installation.\n\n**Included Components:**\n\n \n- One 66.4mm Piston\n \n- One 2614CS Ring\n \n- Two CW18 Circlips\n \n- One S508 Wrist Pin\n\n**Important Note:** This piston kit is sold by application and bore size. Please ensure you are ordering the correct standard or oversized bore diameter to match your engine's requirements. For assistance, please contact Technical Service.","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-02-25-yz250-6640-wiseco-808m06640-yamaha-racers-choice-250cc-1-ring","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a1edcd0194fb:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a1edcd0194fb: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."]}}