{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"6965169cad85","name":"PISTON KIT 2021-22 KX250 Kawasaki 77.96mm, PROX 01.4351.A","sku":"56-W8820.A.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":7,"price":{"amount":182.09,"formatted":"£182.09"},"summary":"Piston kit with a 77.96mm bore. ProX pistons are precision machined on the latest CNC equipment using a low-expansion, low-friction piston alloy, similar to that used by major Japanese engine manufacturers. This kit is a high-quality replacement for original pistons. Many ProX pistons feature a tin coating to assist the wear-in process and a new skirt coating that reduces friction after wear-in, ultimately increasing performance. Part number PROX 01.4351.A.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77.96mm"},{"label":"Variant Id","value":"299739"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W8820_2EA_2EPX/ed7edf33589d6b09.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W8820_2EA_2EPX/ed7edf33589d6b09.jpg"],"description":"Piston kit with a 77.96mm bore. ProX pistons are precision machined on the latest CNC equipment using a low-expansion, low-friction piston alloy, similar to that used by major Japanese engine manufacturers. This kit is a high-quality replacement for original pistons. Many ProX pistons feature a tin coating to assist the wear-in process and a new skirt coating that reduces friction after wear-in, ultimately increasing performance. Part number PROX 01.4351.A.","descriptionMarkdown":"### ProX Piston Kit - Precision Engineered for Performance\n\nThis ProX Piston Kit is engineered for precision and performance, offering a high-quality replacement for your engine's original piston. Manufactured using advanced CNC equipment, ProX pistons utilize a low-expansion, low-friction alloy, the same type favored by major Japanese engine manufacturers.\n\n**Key Features:**\n\n \n- High-Quality Material: Constructed from a premium low-expansion, low-friction piston alloy for optimal performance and durability.\n \n- Advanced Coating Technology: Many ProX pistons feature specialized coatings. This kit includes an OEM-style tin coating that aids the crucial wear-in process after initial engine start-up.\n \n- Friction Reduction: A newly developed skirt coating not only assists in the wear-in phase but also actively reduces friction for improved engine efficiency and increased performance.\n \n- Precision Machining: Manufactured on state-of-the-art CNC equipment for exact tolerances and a perfect fit.\n \n- Direct Replacement: A first-class solution designed to seamlessly replace the original piston in your powersport vehicle.\n\nThis piston kit has a bore size of 77.96mm.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250","cc":null,"notes":null,"years":"2021–2022"},{"make":"KAWASAKI","model":"KX 250X","cc":null,"notes":null,"years":"2021–2022"},{"make":"KAWASAKI","model":"KX XC 250","cc":null,"notes":null,"years":"2021"}],"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-2021-22-kx250-kawasaki-7796mm-prox-014351a","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/6965169cad85:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/6965169cad85:1"}},"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."]}}