{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d062f0c93587","name":"HONDA CRF 250R 2016 - 2017 GRADE A 76.76mm STANDARD COMPRESSION 13.8:1","sku":"V.4119A","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, suitable for modern four-stroke engines. Vertex pistons feature a Molybdenum Disulphide (MOS2) coating on the piston skirt for easier break-in and reduced wear. Unique piston profiles and compression ratios are offered in A, B, C, and D sizes, with variations of 0.01mm to perfectly size the piston to the cylinder for maximum performance, reduced blow-by, and oil consumption. This piston is Grade A, 76.76mm, with a standard compression ratio of 13.8:1.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2016-2017-grade-a-76.76mm-standard-compression-13.8-1-6477-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2016-2017-grade-a-76.76mm-standard-compression-13.8-1-6477-p.jpg"],"description":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suitable for modern four-stroke engines. Vertex pistons feature a Molybdenum Disulphide (MOS2) coating on the piston skirt for easier break-in and reduced wear. Unique piston profiles and compression ratios are offered in A, B, C, and D sizes, with variations of 0.01mm to perfectly size the piston to the cylinder for maximum performance, reduced blow-by, and oil consumption. This piston is Grade A, 76.76mm, with a standard compression ratio of 13.8:1.","descriptionMarkdown":"### Vertex High-Performance Four-Stroke Piston\n\nUpgrade your engine reliability and performance with the Vertex Grade A Standard Compression Piston. Engineered for demanding environments, this piston is designed to meet the high-pressure requirements of modern four-stroke motorcycle engines, ensuring consistent power delivery and durability.\n\nVertex pistons are forged from premium 2618 aluminum alloy, providing exceptional strength and thermal resistance. Each piston is precision-engineered to maintain optimal internal tolerances, which helps to minimize oil consumption and reduce blow-by for a cleaner, more efficient combustion cycle.\n\n### Key Features\n\n \n- Precision Forged Construction: Manufactured from high-quality 2618 aluminum alloy for maximum durability under extreme engine loads.\n \n- Advanced MOS2 Coating: Features a Molybdenum Disulphide (MOS2) coating on the piston skirt to facilitate a smoother break-in process and minimize friction-related wear.\n \n- Optimized Compression: Designed with a 13.8:1 compression ratio to restore factory-level performance and throttle response.\n \n- Grade A Sizing: Engineered with precise 76.76mm dimensions to ensure a perfect fit within the cylinder for peak power output.\n \n- Performance Focused: Unique piston profiles allow for a tighter seal, maximizing engine efficiency and longevity.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250r-2016-2017-grade-a-7676mm-standard-compression-1381","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d062f0c93587:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d062f0c93587:1"}},"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."]}}