{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2ca62e97ce98","name":"HONDA CRF 250 2008-2009 GRADE D 77.98mm STD COMPRESSION 13.0:1","sku":"V.3443D","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":259.12,"formatted":"£259.12"},"summary":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy. They feature a Molybdenum Disulphide MOS2 coating on the piston skirt for easier break-in and reduced wear. Vertex offers unique piston profiles and compression ratios in A, B, C, and D sizes, varying by 0.01mm to ensure a precise fit within the cylinder for maximized performance, reduced blow-by, and lower oil consumption. This piston is Grade D, with a standard compression ratio of 13.0:1 and a bore of 77.98mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250-2008-2009-grade-c-77.97mm-std-compression-13.0-1-3548-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250-2008-2009-grade-c-77.97mm-std-compression-13.0-1-3548-p.jpg"],"description":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy. They feature a Molybdenum Disulphide MOS2 coating on the piston skirt for easier break-in and reduced wear. Vertex offers unique piston profiles and compression ratios in A, B, C, and D sizes, varying by 0.01mm to ensure a precise fit within the cylinder for maximized performance, reduced blow-by, and lower oil consumption. This piston is Grade D, with a standard compression ratio of 13.0:1 and a bore of 77.98mm.","descriptionMarkdown":"### Vertex High-Performance Four-Stroke Piston\n\nUpgrade your engine with the precision-engineered Vertex four-stroke piston. Designed for riders who demand maximum power and reliability, this piston is forged from high-quality 2618 aluminum alloy. This advanced material composition ensures the piston can withstand the extreme pressures and heavy-duty performance requirements of modern high-output four-stroke engines.\n\nVertex distinguishes itself through superior engineering and meticulous attention to detail. Every piston features a specialized Molybdenum Disulphide (MOS2) coating applied to the piston skirt. This coating serves a dual purpose by significantly reducing friction and wear during the critical break-in phase and throughout the lifespan of the component.\n\n### Key Features\n\n- Premium Forged Construction: Manufactured from 2618 aluminum alloy for exceptional strength and durability.\n\n- Optimized Size Grading: Engineered with precise sizing to ensure a perfect cylinder-to-piston fit, which maximizes horsepower and torque.\n\n- MOS2 Skirt Coating: Unique Molybdenum Disulphide coating reduces friction, minimizes heat build-up, and promotes a smoother break-in process.\n\n- Enhanced Efficiency: Improved sealing helps reduce blow-by and oil consumption, maintaining consistent engine compression.\n\n- Standard Compression Ratio: Features a 13.0:1 compression ratio designed to deliver reliable, high-performance power delivery.\n\n- Precision Diameter: 77.98mm bore size for exact tolerances.\n\nBy choosing a Vertex Grade D piston, you are selecting a component designed to restore your engine to peak factory performance. Whether you are racing or riding for recreation, Vertex provides the durability needed to keep your engine running stronger for longer.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250-2008-2009-grade-d-7798mm-std-compression-1301","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2ca62e97ce98:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2ca62e97ce98:1"}},"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."]}}