{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"49a6e6295e9f","name":"HONDA CRF 250R / 250RX 2022-2023 GRADE A 78.96mm HIGH COMPRESSION 14.4:1","sku":"V.4579A","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":291.52,"formatted":"£291.52"},"summary":"Vertex 78.96mm Grade A high compression piston for Honda CRF 250R / 250RX 2022-2023. Forged from high quality 2618 aluminum alloy to handle high pressures in modern four-stroke engines. Features a Molybdenum Disulphide MOS2 coating on the piston skirt for reduced wear and aid in break-in. Unique piston profiles and compression ratios offered in A B C and D sizes with variations of 0.01mm for a precise cylinder fit, maximizing power and performance while reducing blow-by and oil consumption. Compression ratio 14.4:1.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2020-grade-a-78.96mm-standard-compression-10447-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2020-grade-a-78.96mm-standard-compression-10447-p.jpg"],"description":"Vertex 78.96mm Grade A high compression piston for Honda CRF 250R / 250RX 2022-2023. Forged from high quality 2618 aluminum alloy to handle high pressures in modern four-stroke engines. Features a Molybdenum Disulphide MOS2 coating on the piston skirt for reduced wear and aid in break-in. Unique piston profiles and compression ratios offered in A B C and D sizes with variations of 0.01mm for a precise cylinder fit, maximizing power and performance while reducing blow-by and oil consumption. Compression ratio 14.4:1.","descriptionMarkdown":"### Vertex High Compression Four-Stroke Piston\n\nEnhance the performance and reliability of your motorcycle engine with this premium Vertex High Compression Piston. Engineered for riders who demand maximum output, this piston is specifically designed to withstand the intense pressures and high-stress environments of modern four-stroke racing engines.\n\nVertex pistons are forged from high-quality 2618 aluminum alloy, providing superior strength and durability compared to standard cast alternatives. This construction ensures long-lasting performance even under the most demanding track conditions.\n\n### Key Features\n\n \n- Precision Engineering: Manufactured from high-grade 2618 aluminum alloy for exceptional structural integrity and heat resistance.\n \n- Performance Compression: Features a 14.4:1 high compression ratio, designed to increase throttle response and overall engine power.\n \n- MOS2 Coating: Every piston is finished with a Molybdenum Disulphide (MOS2) coating on the skirt. This specialized treatment assists in the break-in process and significantly reduces friction and engine wear.\n \n- Optimized Sizing: Designed with a precise 78.96mm bore diameter (Grade A) to ensure a perfect seal within the cylinder, effectively minimizing blow-by and oil consumption.\n \n- Race Proven: Developed to meet the rigorous demands of professional racing and high-performance riding.\n\nBy maintaining tight tolerances, this Vertex piston ensures your engine operates at peak efficiency, helping you maintain consistent power delivery throughout your ride.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250r-250rx-2022-2023-grade-a-7896mm-high-compression-1441","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/49a6e6295e9f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/49a6e6295e9f: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."]}}