{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"34c6cf6bd7b8","name":"PISTON KIT 15-25 BETA RR350 4T 88mm, PROX 01.7355.B BETA 350RR, 13.2:1","sku":"56-W9835.B.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":229.85,"formatted":"£229.85"},"summary":"ProX Forged Piston Kit. Bore 87.97 mm. Compression 13.2:1. Kit includes piston rings, wrist pin, and circlips. Pistons are precision machined using a low-expansion, low-friction alloy and feature an OEM-style tin coating for break-in assistance. Replacement parts for ProX ring set, ProX piston pin, and ProX clips. Manufacturer part number 01.7355.B.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"310411"}],"image":"https://www.oro2u.com/media/catalog/product/5/6/56-w9835-a-px.jpg","images":["https://www.oro2u.com/media/catalog/product/5/6/56-w9835-a-px.jpg"],"description":"ProX Forged Piston Kit. Bore 87.97 mm. Compression 13.2:1. Kit includes piston rings, wrist pin, and circlips. Pistons are precision machined using a low-expansion, low-friction alloy and feature an OEM-style tin coating for break-in assistance. Replacement parts for ProX ring set, ProX piston pin, and ProX clips. Manufacturer part number 01.7355.B.","descriptionMarkdown":"### ProX Forged Piston Kit for BETA RR350 4T\n\nUpgrade your BETA RR350 4T with this high-performance ProX Forged Piston Kit. Engineered for precision and durability, this kit is designed to meet the demands of serious riders.\n\n**Key Features:**\n\n \n- Forged Piston: Manufactured using a forged process for superior strength and lighter weight compared to cast pistons.\n \n- Precision Machining: Utilizes state-of-the-art CNC equipment for exact tolerances and a perfect fit.\n \n- Advanced Alloy: Constructed from a low-expansion, low-friction piston alloy, identical to what major Japanese engine manufacturers use.\n \n- Tin Coating: Features an OEM-style tin coating that aids in the break-in process for optimal performance from the start.\n \n- Complete Kit: Supplied ready for installation, including the piston, piston rings, wrist pin, and circlips.\n \n- Compression Ratio: Offers a 13.2:1 compression ratio for enhanced power output.\n \n- Bore Size: 87.97 mm bore size.\n \n- ProX Quality: Includes genuine ProX replacement parts for the piston rings, piston pin, and clips.","weightGrams":null,"fitments":[{"make":"BETA","model":"RR ENDURO 4T 350","cc":null,"notes":null,"years":"2015–2025"}],"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-15-25-beta-rr350-4t-88mm-prox-017355b-beta-350rr-1321","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/34c6cf6bd7b8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/34c6cf6bd7b8:1"}},"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."]}}