{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"de39964aacf2","name":"PISTON KIT 14-15 YZF250 77.00, PROX 01.2414.A, 2-RING","sku":"56-W4961.A.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":188.28,"formatted":"£188.28"},"summary":"2-RING piston kit 77.00 mm bore, standard compression 13.5:1. ProX piston kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined using the latest CNC equipment and utilize a low-expansion, low-friction piston alloy common among major Japanese engine manufacturers. Features an OEM style tin coating to aid the break-in process. Replacement part number for PROX RING SET 02.3340. SKU 56-W4961.A.PX.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"256475"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55421_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55421_1.jpg"],"description":"2-RING piston kit 77.00 mm bore, standard compression 13.5:1. ProX piston kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined using the latest CNC equipment and utilize a low-expansion, low-friction piston alloy common among major Japanese engine manufacturers. Features an OEM style tin coating to aid the break-in process. Replacement part number for PROX RING SET 02.3340. SKU 56-W4961.A.PX.","descriptionMarkdown":"### ProX Piston Kit - 77.00mm Bore, 2-Ring Design\n\nThis ProX Piston Kit is engineered for performance and reliability, featuring a 77.00mm bore size and a 2-ring design. It is crafted from a low-expansion, low-friction piston alloy, identical to what major Japanese engine manufacturers utilize, ensuring optimal performance and durability. The kit comes complete and ready for installation, including the piston, wrist pin, circlips, and piston rings.\n\nTo facilitate a smooth break-in process, the piston incorporates an OEM-style tin coating. This coating assists in the initial stages of operation, helping to ensure a proper seal and long-lasting performance.\n\n**Key Features:**\n\n- 77.00mm Bore Size\n\n- 2-Ring Piston Design\n\n- Standard Compression Ratio (13.5:1)\n\n- Precision Machined using State-of-the-Art CNC Equipment\n\n- Low-Expansion, Low-Friction Piston Alloy\n\n- Includes Piston, Rings, Wrist Pin, and Circlips\n\n- OEM-Style Tin Coating for Enhanced Break-In\n\nThis ProX Piston Kit is designed to meet the high standards expected by enthusiasts and professionals alike, offering a direct replacement solution for your engine.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2015–2019"},{"make":"YAMAHA","model":"WRF 250","cc":null,"notes":null,"years":"2014–2018"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2014–2018"},{"make":"YAMAHA","model":"YZ 250FX","cc":null,"notes":null,"years":"2014–2019"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2014–2015"},{"make":"YAMAHA","model":"YZF X 250","cc":null,"notes":null,"years":"2014–2019"}],"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-14-15-yzf250-7700-prox-012414a-2-ring","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/de39964aacf2:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/de39964aacf2:1"}},"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."]}}