{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"304391f1a266","name":"PISTON KIT 04-11 XT660R 100 B, PROX 01.2664.B YAMAHA","sku":"56-W203.B.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":211.31,"formatted":"£211.31"},"summary":"Forged piston kit, 100.00mm bore. Compression ratio actual 10:1. Kit includes piston rings, wrist pin, and circlips. Precision machined using state of the art CNC equipment with a low-expansion, low-friction piston alloy. Features an OEM style tin coating to assist the break-in process. PROX 01.2664.B.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"100mm"},{"label":"Variant Id","value":"254977"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W203_2EB_2EPX/549a573c8ea6e049.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W203_2EB_2EPX/549a573c8ea6e049.jpg"],"description":"Forged piston kit, 100.00mm bore. Compression ratio actual 10:1. Kit includes piston rings, wrist pin, and circlips. Precision machined using state of the art CNC equipment with a low-expansion, low-friction piston alloy. Features an OEM style tin coating to assist the break-in process. PROX 01.2664.B.","descriptionMarkdown":"**ProX Forged Piston Kit - 100.00mm Bore**\n\nThis ProX forged piston kit is engineered for performance and durability, featuring a 100.00mm bore. It is designed to deliver reliable power and longevity for your motorcycle's engine.\n\n### Key Features:\n\n \n- Forged Construction: Crafted from high-quality forged aluminum for superior strength and heat resistance.\n \n- 100.00mm Bore: Precisely machined to a 100.00mm bore for an exact fit.\n \n- 10:1 Compression Ratio: Offers an actual compression ratio of 10:1 for optimized engine performance.\n \n- Complete Kit: Supplied ready for installation, including piston rings, wrist pin, and circlips.\n \n- Precision Machining: Utilizes state-of-the-art CNC equipment for exact tolerances and a flawless finish.\n \n- Premium Alloy: Made from the same low-expansion, low-friction piston alloy used by major Japanese engine manufacturers.\n \n- OEM Style Tin Coating: Features an OEM-style tin coating to aid in the break-in process for smooth initial operation.\n \n- Manufacturer: Pro-X Racing","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"MT-03 660","cc":null,"notes":null,"years":"2006–2011"},{"make":"YAMAHA","model":"XT 600","cc":null,"notes":null,"years":"2004–2011"},{"make":"YAMAHA","model":"XT R 660","cc":null,"notes":null,"years":"2004–2012"},{"make":"YAMAHA","model":"XT TENERE Z 660","cc":null,"notes":null,"years":"2008–2013"},{"make":"YAMAHA","model":"XT X 660","cc":null,"notes":null,"years":"2004–2011"},{"make":"YAMAHA","model":"XTZ 660","cc":null,"notes":null,"years":"2008–2013"},{"make":"YAMAHA","model":"XTZ TENERE 660","cc":null,"notes":null,"years":"2008–2013"}],"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-04-11-xt660r-100-b-prox-012664b-yamaha","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/304391f1a266:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/304391f1a266:1"}},"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."]}}