{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"216eca89fcd0","name":"HONDA CRF 250R / 250RX 2022-2023 GRADE B 78.97mm HIGH COMPRESSION 14.4:1","sku":"V.4579B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":291.52,"formatted":"£291.52"},"summary":"Vertex pistons are forged from high-quality 2618 aluminum alloy, suited for high-pressure four-stroke engines. The piston skirt features a Molybdenum Disulphide (MOS2) coating for reduced wear and break-in. This piston is a Grade B size with a 78.97mm diameter and a 14.4:1 compression ratio.","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 pistons are forged from high-quality 2618 aluminum alloy, suited for high-pressure four-stroke engines. The piston skirt features a Molybdenum Disulphide (MOS2) coating for reduced wear and break-in. This piston is a Grade B size with a 78.97mm diameter and a 14.4:1 compression ratio.","descriptionMarkdown":"### Vertex High Compression Four-Stroke Piston\n\nEnhance the performance and reliability of your motorcycle engine with this Vertex high-compression forged piston. Engineered for demanding riders who require maximum power, this piston is designed to withstand the high pressures and extreme conditions found in modern high-performance four-stroke engines.\n\nVertex pistons are precision forged from premium 2618 aluminum alloy, ensuring exceptional strength and durability. To optimize engine longevity and simplify the break-in process, each piston features a specialized Molybdenum Disulphide (MOS2) coating on the skirt. This advanced coating effectively reduces friction, minimizes wear, and provides superior lubrication during operation.\n\n### Key Features\n\n \n- High Compression Design: Engineered with a 14.4:1 compression ratio to boost overall power output and throttle response.\n \n- Premium Materials: Forged from high-grade 2618 aluminum alloy for maximum structural integrity under high-stress conditions.\n \n- MOS2 Skirt Coating: Includes a Molybdenum Disulphide coating to reduce friction, minimize wear, and assist in a smoother engine break-in.\n \n- Precision Sizing: This Grade B piston measures 78.97mm, offering the precise tolerance required for an optimal cylinder seal.\n \n- Performance Optimization: Designed to reduce blow-by and oil consumption while maximizing combustion efficiency.\n\nVertex is a trusted industry leader in piston technology, known for providing specific piston profiles that allow for exact cylinder matching. By selecting the correct grade for your engine, you ensure a perfect fit that translates into consistent power delivery and reliable performance on the track or the trail.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250r-250rx-2022-2023-grade-b-7897mm-high-compression-1441","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/216eca89fcd0:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/216eca89fcd0:1"}},"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."]}}