{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"917c7f80747b","name":"HONDA CRF 250R 2010 - 2015 BIG BORE 83mm 292cc 13.2:1","sku":"V.3702","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":259.12,"formatted":"£259.12"},"summary":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy to handle the demands of modern four-stroke engines. Each piston features a Molybdenum Disulphide MOS2 coating on the piston skirt to aid break-in and reduce wear. Vertex offers unique piston profiles and compression ratios in A, B, C, and D sizes, each varying by 0.01mm for a precise cylinder fit, maximizing power and performance while minimizing blow-by and oil consumption. This is an 83mm 292cc piston with a 13.2:1 compression ratio.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2010-2015-big-bore-83mm-292cc-13.2-1-7609-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2010-2015-big-bore-83mm-292cc-13.2-1-7609-p.jpg"],"description":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy to handle the demands of modern four-stroke engines. Each piston features a Molybdenum Disulphide MOS2 coating on the piston skirt to aid break-in and reduce wear. Vertex offers unique piston profiles and compression ratios in A, B, C, and D sizes, each varying by 0.01mm for a precise cylinder fit, maximizing power and performance while minimizing blow-by and oil consumption. This is an 83mm 292cc piston with a 13.2:1 compression ratio.","descriptionMarkdown":"### Vertex Big Bore Piston Kit 83mm 292cc\n\nEnhance the power and performance of your motorcycle engine with this premium Vertex Big Bore Piston Kit. Designed for riders seeking a significant displacement increase to 292cc, this kit features an 83mm bore and a 13.2:1 compression ratio to deliver improved torque and horsepower across the entire RPM range.\n\nVertex four-stroke pistons are engineered to meet the demanding requirements of high-pressure modern engines. Each piston is precision forged from high-quality 2618 aluminum alloy, ensuring exceptional structural integrity and long-term durability under intense racing conditions.\n\n### Key Features\n\n \n- Forged Construction: Crafted from 2618 aluminum alloy for superior strength and resistance to extreme engine temperatures.\n \n- MOS2 Skirt Coating: Each piston features a Molybdenum Disulphide coating to assist in the initial break-in process and minimize friction-related wear during operation.\n \n- Optimized Performance: Engineered with unique piston profiles to maximize power output while effectively reducing blow-by and oil consumption.\n \n- High Compression: A 13.2:1 compression ratio provides an aggressive boost to engine efficiency and overall throttle response.\n \n- Precision Sizing: Vertex offers specific sizing variations to ensure an exact fit within the cylinder, maintaining optimal clearance for peak engine performance.\n\nWhether you are rebuilding for competition or seeking a reliable upgrade for increased displacement, the Vertex Big Bore Piston Kit offers the engineering precision and quality components required to get the most out of your engine.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250r-2010-2015-big-bore-83mm-292cc-1321","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/917c7f80747b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/917c7f80747b: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."]}}