{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"befe517842cc","name":"PISTON KIT 12-14 BETA 4T 100mm, PROX 01.7512.B BETA 498RR, Beta RR520 '10, RR498 '12-14 12.0:1 CR","sku":"56-W9821.B.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":238.62,"formatted":"£238.62"},"summary":"Forged piston kit with 100.00 mm bore and 12.0:1 standard compression. ProX piston kits are supplied complete with piston rings, wrist pin, and circlips. Pistons are precision machined on CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating for break-in. Replacement parts include ProX ring set 02.6508, ProX piston pin 04.2045, and ProX clips 05.2012.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"100.00mm"},{"label":"Variant Id","value":"258827"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57773_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57773_1.jpg"],"description":"Forged piston kit with 100.00 mm bore and 12.0:1 standard compression. ProX piston kits are supplied complete with piston rings, wrist pin, and circlips. Pistons are precision machined on CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating for break-in. Replacement parts include ProX ring set 02.6508, ProX piston pin 04.2045, and ProX clips 05.2012.","descriptionMarkdown":"### ProX Forged Piston Kit 100mm Bore 12.0:1 Compression\n\nThis ProX Piston Kit is precision machined for optimal performance and durability. Engineered with a low-expansion, low-friction piston alloy, it meets the standards used by major Japanese engine manufacturers.\n\nThe kit includes all necessary components for a straightforward installation:\n\n \n- Forged Piston\n \n- Piston Rings\n \n- Wrist Pin\n \n- Circlips\n\nFeaturing an OEM-style tin coating, this piston assists in a smoother break-in process for your machine. The bore size is 100.00 mm, and the compression ratio is 12.0:1.\n\n**Key Features:**\n\n \n- Forged construction for superior strength\n \n- Precision CNC machined components\n \n- Low-expansion, low-friction alloy\n \n- Includes piston rings, wrist pin, and circlips\n \n- OEM-style tin coating for enhanced break-in\n \n- 100mm bore size\n \n- 12.0:1 compression ratio","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 498","cc":null,"notes":null,"years":"2012–2014"},{"make":"BETA","model":"RR 520","cc":null,"notes":null,"years":"2010–2011"},{"make":"BETA","model":"RR ENDURO 498","cc":null,"notes":null,"years":"2012–2014"},{"make":"BETA","model":"RR ENDURO 4T 498","cc":null,"notes":null,"years":"2012–2014"},{"make":"BETA","model":"RR ENDURO 4T 520","cc":null,"notes":null,"years":"2010–2011"}],"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-12-14-beta-4t-100mm-prox-017512b-beta-498rr-beta-rr520-10-rr498-12-14","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/befe517842cc:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/befe517842cc: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."]}}