{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2c202418609b","name":"PISTON KIT 2023-25 KTM 250SX-F, 2023-25 HUSKY FC250 81mm, PROX 01.6348.A","sku":"56-W4984.A.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":185.54,"formatted":"£185.54"},"summary":"ProX Piston Kit 4-Stroke, 81.00mm Bore. Ready to install, this kit is supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. Part Number: 01.6348.A.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"314268"}],"image":"https://www.oro2u.com/media/catalog/product/5/6/56-w4984-a-px-1-1.jpg","images":["https://www.oro2u.com/media/catalog/product/5/6/56-w4984-a-px-1-1.jpg","https://www.oro2u.com/media/catalog/product/5/6/56-w4984-a-px-1-2.jpg","https://www.oro2u.com/media/catalog/product/5/6/56-w4984-a-px-1-3.jpg","https://www.oro2u.com/media/catalog/product/5/6/56-w4984-a-px-1-4.jpg"],"description":"ProX Piston Kit 4-Stroke, 81.00mm Bore. Ready to install, this kit is supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. Part Number: 01.6348.A.","descriptionMarkdown":"### ProX 81mm 4-Stroke Piston Kit\n\nThis ProX 4-Stroke Piston Kit is designed for optimal performance and durability. The kit includes the piston, piston rings, wrist pin, and circlips, providing a complete solution for your engine rebuild.\n\nProX pistons are manufactured using advanced CNC machinery, ensuring precision and consistency. They are constructed from a low-expansion, low-friction piston alloy, identical to that used by major Japanese engine manufacturers. This material choice contributes to excellent performance and longevity.\n\nFor an improved break-in process, this piston features an OEM-style tin coating. This coating helps to facilitate a smooth initial run-in period when you first start your machine, promoting better ring seal and reducing wear.\n\n**Key Features:**\n\n \n- Complete 4-stroke piston kit\n \n- 81.00mm bore size\n \n- Includes piston rings, wrist pin, and circlips\n \n- Precision machined using state-of-the-art CNC equipment\n \n- Low-expansion, low-friction piston alloy\n \n- OEM style tin coating for assisted break-in","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"EC F 250","cc":null,"notes":null,"years":"2024–2025"},{"make":"GAS-GAS","model":"EX F 250","cc":null,"notes":null,"years":"2024–2025"},{"make":"GAS-GAS","model":"MC F 250","cc":null,"notes":null,"years":"2024–2025"},{"make":"HUSQVARNA","model":"FC 250","cc":null,"notes":null,"years":"2023–2025"},{"make":"HUSQVARNA","model":"FE 250","cc":null,"notes":null,"years":"2024–2025"},{"make":"KTM","model":"250 EXC-F","cc":null,"notes":null,"years":"2024–2025"},{"make":"KTM","model":"250 SX-F","cc":null,"notes":null,"years":"2023–2025"}],"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-2023-25-ktm-250sx-f-2023-25-husky-fc250-81mm-prox-016348a","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2c202418609b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2c202418609b: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."]}}