{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cff100970657","name":"PISTON KIT 00-09 KTM520 525 95, PROX 01.6521.B BETA 525RR","sku":"56-W4731.B.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, 95.00 mm bore, STD compression 12.0:1. Ready to install, this ProX Piston Kit is 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 used by major Japanese engine manufacturers. Features 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. Part number: PROX 01.6521.B.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"95mm"},{"label":"Variant Id","value":"255969"}],"image":"https://www.oro2u.com/media/catalog/product/5/6/56-w4731-c-px.jpg","images":["https://www.oro2u.com/media/catalog/product/5/6/56-w4731-c-px.jpg"],"description":"Forged piston kit, 95.00 mm bore, STD compression 12.0:1. Ready to install, this ProX Piston Kit is 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 used by major Japanese engine manufacturers. Features 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. Part number: PROX 01.6521.B.","descriptionMarkdown":"### ProX Piston Kit 95.00mm Bore 12.0:1 Compression\n\nThis ProX Piston Kit is designed for high performance and reliability. Featuring a 95.00 mm bore and a 12.0:1 compression ratio, this kit is engineered to enhance your engine's power output.\n\nProX Piston Kits are precision-machined using the latest CNC equipment and utilize a low-expansion, low-friction piston alloy, mirroring the materials used by major Japanese engine manufacturers.\n\nEach kit includes everything needed for installation:\n\n \n- Piston\n \n- Piston Rings\n \n- Wrist Pin\n \n- Circlips\n\nThe piston features an OEM-style tin coating to aid in the crucial break-in process when your machine is first started, ensuring optimal performance from the outset.\n\n**Key Features:**\n\n \n- Forged Piston Kit\n \n- 95.00 mm Bore Size\n \n- Standard Compression Ratio: 12.0:1\n \n- Complete with Rings, Wrist Pin, and Circlips\n \n- Precision CNC Machining\n \n- Low-Expansion, Low-Friction Piston Alloy\n \n- OEM Style Tin Coating for Break-in","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-016521b-beta-525rr","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cff100970657:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cff100970657:1"}},"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. 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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."]}}