{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"778b8878a47f","name":"PISTON KIT 98-99 YZF400 92.00, PROX 01.2419.B, WRF400","sku":"56-W4649.B.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":206.99,"formatted":"£206.99"},"summary":"2-RING A Piston Kit 92.00 mm Bore STD Compression 12.5:1. 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 02.2419.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"92mm"},{"label":"Variant Id","value":"255809"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4649_2EB_2EPX/2a759fad10dd5fc4.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4649_2EB_2EPX/2a759fad10dd5fc4.jpg"],"description":"2-RING A Piston Kit 92.00 mm Bore STD Compression 12.5:1. 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 02.2419.","descriptionMarkdown":"### ProX Piston Kit - High-Performance Engine Rebuild Component\n\nThis ProX Piston Kit is engineered for precision and durability, offering a complete solution for your engine rebuild needs. Designed with a 92.00 mm bore and a standard compression ratio of 12.5:1, this kit ensures optimal performance and reliability.\n\nEach ProX Piston Kit is meticulously manufactured using the latest CNC equipment. The pistons are crafted from a low-expansion, low-friction alloy, mirroring the materials used by major Japanese engine manufacturers. This advanced alloy contributes to smoother operation and extended engine life.\n\nFor an easier and more effective break-in process, the pistons are treated with an OEM-style tin coating. This coating helps to reduce initial friction when you first start your machine, promoting a better seating of the piston rings.\n\n**Key Features:**\n\n \n- 2-Ring piston kit\n \n- 92.00 mm Bore size\n \n- Standard Compression Ratio: 12.5:1\n \n- Includes piston rings, wrist pin, and circlips for a complete installation\n \n- Precision machined on state-of-the-art CNC equipment\n \n- Constructed from a low-expansion, low-friction piston alloy\n \n- OEM-style tin coating assists in the break-in process\n \n- Designed for direct replacement and optimal engine performance\n\nThis kit is a high-quality replacement part for your engine, ensuring that your machine runs at its best.\n\nReplacement ring set available separately: PROX RING SET 02.2419.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 400F","cc":null,"notes":null,"years":"1998–2000"},{"make":"YAMAHA","model":"WRF 400","cc":null,"notes":null,"years":"1998–2000"},{"make":"YAMAHA","model":"YZ 400F","cc":null,"notes":null,"years":"1998–1999"},{"make":"YAMAHA","model":"YZF 400","cc":null,"notes":null,"years":"1998–2000"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"1998–1999"}],"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-98-99-yzf400-9200-prox-012419b-wrf400","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/778b8878a47f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/778b8878a47f: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."]}}