{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"751801ade187","name":"PISTON KIT 03-07 KTM EXC450 89, PROX 01.6413.B BETA 450RR, 594.30.007.000","sku":"56-W178.B.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":221.03,"formatted":"£221.03"},"summary":"Forged piston kit, 89.00 mm bore, standard compression 11.0:1. Ready to install, ProX piston kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on state of the art CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. PROX 01.6413.B.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"89mm"},{"label":"Variant Id","value":"254867"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W178_2EB_2EPX/facb69ff50f2a360.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W178_2EB_2EPX/facb69ff50f2a360.jpg"],"description":"Forged piston kit, 89.00 mm bore, standard compression 11.0:1. Ready to install, ProX piston kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on state of the art CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. PROX 01.6413.B.","descriptionMarkdown":"### ProX Piston Kit - 89.00mm Bore\n\nThis ProX Piston Kit is designed for high-performance engine rebuilds. Crafted from a precision-machined, low-expansion, low-friction piston alloy, it meets the standards used by major Japanese engine manufacturers.\n\nThe kit includes everything needed for a complete installation:\n\n \n- Piston\n \n- Piston Rings\n \n- Wrist Pin\n \n- Circlips\n\nFeaturing an OEM-style tin coating, this piston assists in a smooth break-in process for your machine. The standard compression ratio is 11.0:1.\n\n**Key Features:**\n\n \n- Forged piston construction\n \n- 89.00mm Bore Size\n \n- Standard Compression Ratio: 11.0:1\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 enhanced break-in","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 450","cc":null,"notes":null,"years":"2005–2009"},{"make":"BETA","model":"RR ENDURO 4T 450","cc":null,"notes":null,"years":"2005–2009"},{"make":"KTM","model":"450 EXC","cc":null,"notes":"1st Filter (Long)","years":"2003–2007"},{"make":"KTM","model":"450 EXC R","cc":null,"notes":null,"years":"2003–2007"},{"make":"KTM","model":"450 EXC Racing","cc":null,"notes":"1st Filter","years":"2003–2007"},{"make":"KTM","model":"450 XC","cc":null,"notes":null,"years":"2008–2009"},{"make":"KTM","model":"450 XC ATV","cc":null,"notes":null,"years":"2008–2009"},{"make":"POLARIS","model":"OUTLAW MXR 450","cc":null,"notes":null,"years":"2008–2011"}],"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-03-07-ktm-exc450-89-prox-016413b-beta-450rr-59430007000","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/751801ade187:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/751801ade187:1"}},"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."]}}