{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"56ad874c3412","name":"PISTON KIT 97-18 MC EC 66.40, PROX 01.7307.C GASGAS","sku":"56-W157.C.PROX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":172.22,"formatted":"£172.22"},"summary":"ProX 2-ring piston kit, nominal size 66.40mm. Ready to install, this kit includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using the latest CNC equipment and utilize a low-expansion, low-friction piston alloy adopted by major Japanese engine manufacturers. Features an OEM style tin coating to aid the break-in process. For spare rings, see ProX 02.7307.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.4mm"},{"label":"Variant Id","value":"254755"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W157_2EC_2EPROX/83dd035a565471e5.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W157_2EC_2EPROX/83dd035a565471e5.jpg"],"description":"ProX 2-ring piston kit, nominal size 66.40mm. Ready to install, this kit includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using the latest CNC equipment and utilize a low-expansion, low-friction piston alloy adopted by major Japanese engine manufacturers. Features an OEM style tin coating to aid the break-in process. For spare rings, see ProX 02.7307.","descriptionMarkdown":"### ProX Piston Kit 66.40mm\n\nThis ProX Piston Kit is designed for high performance and durability. It is ready to install and comes complete with all necessary components for a smooth and efficient rebuild.\n\n#### Key Features:\n\n \n- Precision Machining: ProX pistons are precision machined on state-of-the-art CNC equipment for optimal accuracy and performance.\n \n- High-Quality Alloy: Constructed from a low-expansion, low-friction piston alloy, identical to what major Japanese engine manufacturers utilize.\n \n- Enhanced Break-In: Features an OEM-style tin coating to aid the break-in process for your engine's initial use.\n \n- Complete Kit: Supplied with piston rings, wrist pin, and circlips, ensuring you have everything needed for installation.\n \n- Nominal Size: The nominal size of the piston is 66.35mm, with the kit featuring a 66.40mm bore size.\n \n- Manufacturer: Pro-X Racing\n\nFor spare rings, please refer to ProX part number 02.7307.","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"EC 250","cc":null,"notes":null,"years":"1997–2019"},{"make":"GAS-GAS","model":"EC R 250","cc":null,"notes":null,"years":"2014–2020"},{"make":"GAS-GAS","model":"MC 250","cc":null,"notes":null,"years":"1997–2019"},{"make":"GAS-GAS","model":"MX 250","cc":null,"notes":null,"years":"1997–2019"},{"make":"GAS-GAS","model":"SM 250","cc":null,"notes":null,"years":"1997–2008"},{"make":"GAS-GAS","model":"XC 250","cc":null,"notes":null,"years":"1997–2019"}],"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-97-18-mc-ec-6640-prox-017307c-gasgas","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/56ad874c3412:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/56ad874c3412:1"}},"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."]}}