{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b75991d56b30","name":"PISTON KIT 00-09 KTM520 525 95, PROX 01.6521.A BETA 525RR","sku":"56-W4731.A.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":219.11,"formatted":"£219.11"},"summary":"Forged Piston Kit A 95.00 mm bore, STD. Compression 12.0:1. ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. Uses an OEM style tin coating to assist the break-in process. Replacement parts: PROX RING SET 02.6424, PROX PISTON PIN 04.2050.5, PROX CLIPS 05.2012.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"95mm"},{"label":"Variant Id","value":"255967"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4731_2EA_2EPX/153888e78019ea74.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4731_2EA_2EPX/153888e78019ea74.jpg"],"description":"Forged Piston Kit A 95.00 mm bore, STD. Compression 12.0:1. ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. Uses an OEM style tin coating to assist the break-in process. Replacement parts: PROX RING SET 02.6424, PROX PISTON PIN 04.2050.5, PROX CLIPS 05.2012.","descriptionMarkdown":"### ProX Forged Piston Kit\n\nThis ProX Piston Kit is designed for high-performance motorcycle and ATV engines. Forged from a premium, low-expansion, low-friction alloy identical to that used by major Japanese engine manufacturers, these pistons ensure durability and optimal performance. Each kit is precision-machined on state-of-the-art CNC equipment for exact tolerances.\n\nThe piston features a standard compression ratio of 12.0:1 and a bore size of 95.00 mm. To aid in the crucial break-in period, the piston includes an OEM-style tin coating, promoting smooth initial operation and engine longevity.\n\n#### Key Features:\n\n \n- Forged piston construction for superior strength and durability.\n \n- Precision CNC machined for exact fitment.\n \n- Low-expansion, low-friction alloy for optimal engine performance.\n \n- Includes a tin coating for assisted break-in.\n \n- Complete kit includes piston, rings, wrist pin, and circlips.\n \n- Standard compression ratio of 12.0:1.\n \n- Bore size: 95.00 mm.\n\nReplacement parts for this kit include: PROX RING SET 02.6424, PROX PISTON PIN 04.2050.5, PROX CLIPS 05.2012.","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 525","cc":null,"notes":null,"years":"2005–2009"},{"make":"BETA","model":"RR ENDURO 4T 525","cc":null,"notes":null,"years":"2005–2009"},{"make":"KTM","model":"520 EXC","cc":null,"notes":"1st Filter (Long)","years":"2000–2002"},{"make":"KTM","model":"520 SX","cc":null,"notes":"1st Filter","years":"2000–2002"},{"make":"KTM","model":"525 EXC","cc":null,"notes":"1st Filter","years":"2003–2007"},{"make":"KTM","model":"525 EXC","cc":null,"notes":null,"years":"2008–2010"},{"make":"KTM","model":"525 EXC RACING","cc":null,"notes":null,"years":"2003–2007"},{"make":"KTM","model":"525 SM R","cc":null,"notes":null,"years":"2004–2005"},{"make":"KTM","model":"525 SM-R","cc":null,"notes":null,"years":"2004–2005"},{"make":"KTM","model":"525 SX","cc":null,"notes":"1st Filter","years":"2003–2007"},{"make":"KTM","model":"525 SX","cc":null,"notes":null,"years":"2008–2010"},{"make":"KTM","model":"525 XC","cc":null,"notes":null,"years":"2008–2012"},{"make":"KTM","model":"525 XC ATV","cc":null,"notes":null,"years":"2003–2012"},{"make":"POLARIS","model":"OUTLAW 450","cc":null,"notes":null,"years":"2003–2011"},{"make":"POLARIS","model":"OUTLAW 525","cc":null,"notes":null,"years":"2007–2012"}],"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-00-09-ktm520-525-95-prox-016521a-beta-525rr","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b75991d56b30:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b75991d56b30:1"}},"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."]}}