{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"97f944070541","name":"PISTON KIT 16-18 YZF250 77.00, PROX 01.2417.B 1SM-11631-10-00, 13.5:1 (76.96mm)","sku":"56-W4966.B.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":188.28,"formatted":"£188.28"},"summary":"ProX Piston Kit 13.5:1 (76.96mm) PROX 01.2417.B. This kit includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using a low-expansion, low-friction piston alloy. They feature an OEM-style tin coating to assist with the break-in process. Replacement ring set: 02.2417.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"280506"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4966_2EB_2EPX/cc5536f292544e2e.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4966_2EB_2EPX/cc5536f292544e2e.jpg"],"description":"ProX Piston Kit 13.5:1 (76.96mm) PROX 01.2417.B. This kit includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using a low-expansion, low-friction piston alloy. They feature an OEM-style tin coating to assist with the break-in process. Replacement ring set: 02.2417.","descriptionMarkdown":"### ProX Piston Kit 13.5:1 (76.96mm)\n\nThis ProX Piston Kit is engineered for high performance and durability, featuring a 13.5:1 compression ratio for enhanced power output. The piston itself measures 76.96mm, with the kit specifically designed for precision engine work.\n\nProX pistons are manufactured using the latest state-of-the-art CNC equipment, ensuring exceptional accuracy and consistency. The alloy used is a low-expansion, low-friction material, mirroring that used by major Japanese engine manufacturers.\n\nFor optimal performance and longevity, this piston kit includes all necessary components for installation:\n\n \n- Piston Rings\n \n- Wrist Pin\n \n- Circlips\n\nAdditionally, the piston features an OEM-style tin coating. This coating aids in the break-in process, providing a smoother initial run for your machine.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2018–2019"},{"make":"YAMAHA","model":"WRF 250","cc":null,"notes":null,"years":"2018–2019"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2016–2018"},{"make":"YAMAHA","model":"YZ 250FX","cc":null,"notes":null,"years":"2017–2019"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2016–2018"},{"make":"YAMAHA","model":"YZF X 250","cc":null,"notes":null,"years":"2017–2018"}],"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-16-18-yzf250-7700-prox-012417b-1sm-11631-10-00-1351-7696mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/97f944070541:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/97f944070541:1"}},"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."]}}