{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fbd59e4119e9","name":"HONDA CRF 250R 2004-2007 GRADE B 77.96mm STD COMPRESSION 12.9:1","sku":"V.2983B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":259.12,"formatted":"£259.12"},"summary":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suitable for modern four-stroke engines. Each piston features a Molybdenum Disulphide (MOS2) coating on the piston skirt to aid in break-in and reduce wear. Vertex pistons offer unique profiles and compression ratios in A, B, C, and D sizes with 0.01mm variation to ensure a precise fit to the cylinder for maximized power and performance, while reducing blow-by and oil consumption. This is a Grade B piston, 77.96mm standard size with a 12.9:1 compression ratio.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2004-2007-grade-b-77.96mm-std-compression-12.9-1-3546-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2004-2007-grade-b-77.96mm-std-compression-12.9-1-3546-p.jpg"],"description":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suitable for modern four-stroke engines. Each piston features a Molybdenum Disulphide (MOS2) coating on the piston skirt to aid in break-in and reduce wear. Vertex pistons offer unique profiles and compression ratios in A, B, C, and D sizes with 0.01mm variation to ensure a precise fit to the cylinder for maximized power and performance, while reducing blow-by and oil consumption. This is a Grade B piston, 77.96mm standard size with a 12.9:1 compression ratio.","descriptionMarkdown":"### Vertex Four-Stroke Piston - Grade B\n\nEnhance the performance and longevity of your engine with this premium Vertex four-stroke piston. Engineered for riders who demand reliability and power, this piston is forged from high-quality 2618 aluminum alloy, specifically designed to withstand the intense pressures and high-performance demands of modern four-stroke engines.\n\nVertex pistons are renowned for their precision engineering, offering specific sizing options to ensure the tightest tolerances between the piston and the cylinder wall. This Grade B piston is manufactured to exacting specifications to maximize combustion efficiency while significantly reducing blow-by and oil consumption, ensuring your engine runs at its peak.\n\nTo assist with a smooth break-in process and provide long-term protection against engine wear, each piston features a specialized Molybdenum Disulphide (MOS2) coating applied to the skirt. This advanced coating reduces friction, helping to maintain performance over the life of the component.\n\n### Key Features\n\n \n- High-Quality Construction: Forged from 2618 aluminum alloy for superior strength and durability.\n \n- Precision Sizing: Grade B (77.96mm) sizing ensures a perfect fit to your cylinder, optimizing compression and power output.\n \n- Reduced Friction: Integrated Molybdenum Disulphide (MOS2) skirt coating minimizes wear and facilitates a smoother engine break-in.\n \n- Performance Focused: Designed to maintain a standard compression ratio of 12.9:1, restoring factory performance levels.\n \n- Enhanced Durability: Engineered to endure the rigors of high-pressure four-stroke operation, reducing the risk of blow-by.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250r-2004-2007-grade-b-7796mm-std-compression-1291","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fbd59e4119e9:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fbd59e4119e9:1"}},"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."]}}