{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fe8c01c354cf","name":"PISTON KIT XT TT SR 500 87.50, PROX 01.2576.050 YAMAHA","sku":"56-W4045+050.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":206.56,"formatted":"£206.56"},"summary":"Forged Piston Kit 87.50 mm bore with STD compression 9.0:1. Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on state of the art CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. Replacement parts include PROX RING SET 02.2576.050. PROX 01.2576.050.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"87.5mm"},{"label":"Variant Id","value":"255510"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54456_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54456_1.jpg"],"description":"Forged Piston Kit 87.50 mm bore with STD compression 9.0:1. Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on state of the art CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. Replacement parts include PROX RING SET 02.2576.050. PROX 01.2576.050.","descriptionMarkdown":"### ProX Piston Kit - 87.50 mm Bore\n\nThis ProX Piston Kit is designed for precision and performance. It features a forged piston with an 87.50 mm bore and a standard compression ratio of 9.0:1.\n\nEngineered for immediate installation, each ProX Piston Kit includes all necessary components: piston rings, wrist pin, and circlips. ProX pistons are manufactured using advanced CNC equipment, utilizing the same low-expansion, low-friction piston alloy favored by major Japanese engine manufacturers. The kit also incorporates an OEM-style tin coating to facilitate a smooth break-in process upon initial engine startup.\n\nThis is a replacement part designed for compatibility with PROX RING SET 02.2576.050.\n\n \n- Bore Size: 87.50 mm\n \n- Compression Ratio: 9.0:1 (Standard)\n \n- Material: Forged Piston\n \n- Included Components: Piston Rings, Wrist Pin, Circlips\n \n- Coating: OEM-style tin coating for break-in assistance\n \n- Manufacturing: Precision machined on state-of-the-art CNC equipment\n \n- Alloy: Low-expansion, low-friction piston alloy","weightGrams":null,"fitments":[],"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-xt-tt-sr-500-8750-prox-012576050-yamaha","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fe8c01c354cf:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fe8c01c354cf: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."]}}