{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"53cf83948e3a","name":"PISTON KIT 90-91 KX250 67.40 B, PROX 01.4306.B","sku":"56-W607+00B.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":164.58,"formatted":"£164.58"},"summary":"ProX Piston Kit 67.40mm Bore. This 2-stroke kit is ready to install and 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, the same used by major Japanese engine manufacturers. Features an OEM style tin coating to aid the break-in process. Includes replacement piston rings (02.4305), piston pin, and piston clips (05.1810). Part number 01.4306.B.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"67.40 mm"},{"label":"Variant Id","value":"257087"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56033_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56033_1.jpg"],"description":"ProX Piston Kit 67.40mm Bore. This 2-stroke kit is ready to install and 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, the same used by major Japanese engine manufacturers. Features an OEM style tin coating to aid the break-in process. Includes replacement piston rings (02.4305), piston pin, and piston clips (05.1810). Part number 01.4306.B.","descriptionMarkdown":"### ProX Piston Kit - 67.40mm Bore\n\nThis ProX Piston Kit is designed for immediate installation, providing all necessary components for a complete engine rebuild. Each kit includes the piston, piston rings, wrist pin, and circlips.\n\nProX pistons are manufactured using advanced CNC machinery, ensuring high precision and quality. The pistons are crafted from a low-expansion, low-friction alloy, mirroring the materials used by major Japanese engine manufacturers. This choice of material contributes to optimal engine performance and longevity.\n\nTo facilitate the initial break-in period of your machine, the piston features an OEM-style tin coating. This coating helps to reduce friction during the crucial first stages of operation.\n\nKey features:\n\n \n- Complete piston kit for easy installation.\n \n- Precision machined using state-of-the-art CNC equipment.\n \n- Constructed from low-expansion, low-friction alloy.\n \n- Includes piston rings, wrist pin, and circlips.\n \n- OEM-style tin coating for enhanced break-in.\n \n- Replacement parts available: Piston Rings (02.4305), Piston Pin, Piston Clips (05.1810).\n \n- Bore Size: 67.40mm.","weightGrams":null,"fitments":[],"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-90-91-kx250-6740-b-prox-014306b","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/53cf83948e3a:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/53cf83948e3a: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."]}}