{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d07a292967fe","name":"PISTON KIT 02-08 SX50 39.50, WISECO 803M03950","sku":"56-W803.WI","brand":"Wiseco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":106.25,"formatted":"£106.25"},"summary":"Wiseco 803M03950 Pro-Lite Piston Assembly. Includes one 39.5mm piston, one 1555CS ring, two CW12 circlips, and one S563 wrist pin. Innovative forging design and piston skirt provide maximum horsepower and torque. Lightweight wrist pins enable faster revs and quicker throttle response. Nikasil bore cylinder sleeving or replating required for oversizes. Top-end bearing available separately (part no. B1041). Weight: 118g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"39.50mm"},{"label":"Variant Id","value":"257826"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W803_2EWI/d552bde901d4235a.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W803_2EWI/d552bde901d4235a.png"],"description":"Wiseco 803M03950 Pro-Lite Piston Assembly. Includes one 39.5mm piston, one 1555CS ring, two CW12 circlips, and one S563 wrist pin. Innovative forging design and piston skirt provide maximum horsepower and torque. Lightweight wrist pins enable faster revs and quicker throttle response. Nikasil bore cylinder sleeving or replating required for oversizes. Top-end bearing available separately (part no. B1041). Weight: 118g.","descriptionMarkdown":"### Wiseco 803M03950 Pro-Lite Piston Assembly\n\nExperience enhanced durability, longevity, and increased horsepower with the Wiseco Pro-Lite Piston Assembly. This piston kit is engineered with an innovative forging design and piston skirt to deliver maximum horsepower and torque. Lightweight wrist pins contribute to faster revs and quicker throttle response, optimizing your engine's performance.\n\n**Key Features:**\n\n \n- Innovative forging design for increased horsepower and torque\n \n- Piston skirt design maximizes power output\n \n- Lightweight wrist pins for faster revs and quicker throttle response\n \n- Requires Nikasil bore (cylinder sleeving or replating needed for oversizes)\n\n**Included Items:**\n\n \n- One 39.5mm Piston\n \n- One 1555CS Ring\n \n- Two CW12 Circlips\n \n- One S563 Wrist Pin","weightGrams":null,"fitments":[{"make":"BETA","model":"RK6 50","cc":null,"notes":null,"years":"1997–2002"},{"make":"BETA","model":"ST 50","cc":null,"notes":null,"years":"1996–1999"},{"make":"BETA","model":"SUPERMOTARD 50","cc":null,"notes":null,"years":"1996–1999"},{"make":"KTM","model":"50 ADVENTURE","cc":null,"notes":null,"years":"2002–2008"},{"make":"KTM","model":"50 JR ADVENTURE","cc":null,"notes":null,"years":"2002–2003"},{"make":"KTM","model":"50 MINI ADVENTURE","cc":null,"notes":null,"years":"2002–2008"},{"make":"KTM","model":"50 MINI ADVENTURE GS","cc":null,"notes":null,"years":"2002"},{"make":"KTM","model":"50 SR ADVENTURE","cc":null,"notes":null,"years":"2002–2007"},{"make":"KTM","model":"50 SX","cc":null,"notes":null,"years":"2001–2008"},{"make":"KTM","model":"50 SX JR","cc":null,"notes":null,"years":"2006–2008"},{"make":"KTM","model":"50 SX MINI LC","cc":null,"notes":null,"years":"2001–2008"},{"make":"KTM","model":"50 SX PRO JR","cc":null,"notes":null,"years":"2001–2005"},{"make":"KTM","model":"50 SX PRO SR","cc":null,"notes":null,"years":"2001–2005"},{"make":"KTM","model":"50 SXR ADVENTURE","cc":null,"notes":null,"years":"2003–2007"}],"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-02-08-sx50-3950-wiseco-803m03950","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d07a292967fe:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d07a292967fe: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."]}}