{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"74609d96e503","name":"PISTON KIT DT50 RD50 40.00mm -353- 353-11631-00-00 / 4K5-11631-00-00 / 5L3-11631-00-00","sku":"56-W9855.000.DR","brand":"No Brand","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":34.45,"formatted":"£34.45"},"summary":"PISTON KIT STD BORE 40.00mm 2-STROKE YAM. Ready to install, Dirt Racing Piston Kits are supplied complete with piston rings, wrist pin, and circlips. Dirt Racing pistons are precision machined on the latest CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. Meets or exceeds OEM quality. Direct OEM replacement. Part No. 56-W9855.000.DR. Cross reference numbers: PROX 01.2003.000, 353-11631-00-00, 4K5-11631-00-00, 5L3-11631-00-00, MP-09926.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"258931"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9855_2E000_2EDR/de8cac0d9248a4f7.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9855_2E000_2EDR/de8cac0d9248a4f7.png"],"description":"PISTON KIT STD BORE 40.00mm 2-STROKE YAM. Ready to install, Dirt Racing Piston Kits are supplied complete with piston rings, wrist pin, and circlips. Dirt Racing pistons are precision machined on the latest CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. Meets or exceeds OEM quality. Direct OEM replacement. Part No. 56-W9855.000.DR. Cross reference numbers: PROX 01.2003.000, 353-11631-00-00, 4K5-11631-00-00, 5L3-11631-00-00, MP-09926.","descriptionMarkdown":"### Dirt Racing Piston Kit - 40.00mm Bore\n\nThis high-quality piston kit is designed as a direct replacement for specific Yamaha two-stroke engines. Precision-machined using advanced CNC equipment, it ensures an exact fit and optimal performance. The kit includes all necessary components for a straightforward installation.\n\n#### Key Features:\n\n \n- Standard Bore Size: 40.00mm\n \n- Complete Kit: Supplied with piston rings, wrist pin, and circlips.\n \n- Premium Materials: Constructed from a low-expansion, low-friction alloy, mirroring the materials used by major Japanese engine manufacturers.\n \n- Break-in Assistance: Features an OEM-style tin coating to aid the initial engine break-in process.\n \n- OEM Quality: Meets or exceeds original equipment manufacturer standards.\n \n- Direct Replacement: Engineered for a seamless fit as an OEM replacement part.\n \n- Guaranteed Satisfaction: Part of the oro2u range, offering quality replacement parts with a satisfaction guarantee.\n\nThis piston kit is a reliable choice for restoring or enhancing the performance of your compatible two-stroke motorcycle.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"CHAPPY 50","cc":null,"notes":null,"years":"1950–2014"},{"make":"YAMAHA","model":"DT 50","cc":null,"notes":null,"years":"1950–2014"},{"make":"YAMAHA","model":"YSR 50","cc":null,"notes":null,"years":"1950–2014"}],"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-dt50-rd50-4000mm-353-353-11631-00-00-4k5-11631-00-00-5l3-11631-00-00","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/74609d96e503:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/74609d96e503:1"}},"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."]}}