{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1faa02213b32","name":"HONDA CRF 250R 2018-2019 GRADE B 78.97mm STANDARD COMPRESSION 13.9:1","sku":"V.4273B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":12,"price":{"amount":275.32,"formatted":"£275.32"},"summary":"Vertex pistons are forged from high-quality 2618 aluminum alloy to handle high pressures in modern four-stroke engines. The piston skirt features a Molybdenum Disulphide MOS2 coating to aid in break-in and reduce wear. Unique piston profiles and compression ratios are offered in A, B, C and D sizes, with variations of 0.01mm to ensure a perfect cylinder fit for maximum power, reduced blow-by, and lower oil consumption. This piston is 78.97mm with a standard compression ratio of 13.9:1.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2018-2019-grade-b-78.97mm-standard-compression-13.9-1-7886-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2018-2019-grade-b-78.97mm-standard-compression-13.9-1-7886-p.jpg"],"description":"Vertex pistons are forged from high-quality 2618 aluminum alloy to handle high pressures in modern four-stroke engines. The piston skirt features a Molybdenum Disulphide MOS2 coating to aid in break-in and reduce wear. Unique piston profiles and compression ratios are offered in A, B, C and D sizes, with variations of 0.01mm to ensure a perfect cylinder fit for maximum power, reduced blow-by, and lower oil consumption. This piston is 78.97mm with a standard compression ratio of 13.9:1.","descriptionMarkdown":"### Vertex Standard Compression Four-Stroke Piston\n\nExperience peak performance and engine longevity with the Vertex four-stroke piston. Engineered for riders who demand reliability and power, this piston is forged from premium 2618 aluminum alloy. This high-strength material is specifically designed to withstand the intense heat and mechanical pressures found in modern high-performance engines.\n\nVertex ensures a precision fit by offering specific piston sizing. This Grade B piston measures 78.97mm, allowing for an exact match to your cylinder bore. This meticulous sizing helps maximize engine power while minimizing oil consumption and blow-by, ensuring your engine runs at its full potential.\n\n### Key Features\n\n \n- Advanced Alloy Construction: Forged from high-quality 2618 aluminum alloy for superior durability and structural integrity under heavy load.\n \n- Precision Engineering: Grade B sizing at 78.97mm provides a superior seal, enhancing compression and power output.\n \n- Standard Compression Ratio: Designed to a 13.9:1 compression ratio to maintain optimal engine performance.\n \n- MOS2 Coating: Each piston skirt features a unique Molybdenum Disulphide (MOS2) coating to reduce friction, aid in the break-in process, and protect against premature wear.\n \n- Enhanced Reliability: Vertex piston profiles are developed to handle the rigors of competitive racing and demanding riding conditions.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250r-2018-2019-grade-b-7897mm-standard-compression-1391","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1faa02213b32:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1faa02213b32:1"}},"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."]}}