{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9a6690ab2021","name":"HONDA CRF 450R / RX 2017 - 2018 GRADE D 95.99mm STD COMPRESSION 13.5:1","sku":"V.4187D","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":291.52,"formatted":"£291.52"},"summary":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, designed to handle the high pressures of modern four-stroke engines. Vertex pistons feature a Molybdenum Disulphide MOS2 coating on the piston skirt to aid break-in and reduce wear. Unique piston profiles and compression ratios are offered in A, B, C and D sizes. This variation in sizing, 0.01mm, allows for precise piston-to-cylinder fitment, maximizing power and performance while reducing blow-by and oil consumption. This specific piston is GRADE D, measures 95.99mm, and has a standard compression ratio of 13.5:1.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-450r-rx-2017-2018-grade-d-95.99mm-std-compression-13.5-1-7616-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-450r-rx-2017-2018-grade-d-95.99mm-std-compression-13.5-1-7616-p.jpg"],"description":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, designed to handle the high pressures of modern four-stroke engines. Vertex pistons feature a Molybdenum Disulphide MOS2 coating on the piston skirt to aid break-in and reduce wear. Unique piston profiles and compression ratios are offered in A, B, C and D sizes. This variation in sizing, 0.01mm, allows for precise piston-to-cylinder fitment, maximizing power and performance while reducing blow-by and oil consumption. This specific piston is GRADE D, measures 95.99mm, and has a standard compression ratio of 13.5:1.","descriptionMarkdown":"### Vertex High-Performance Four-Stroke Piston\n\nEngineered for maximum power and reliability, the Vertex four-stroke piston is designed to meet the extreme demands of modern high-performance engines. This precision-engineered component is forged from premium 2618 aluminum alloy, providing the structural integrity needed to withstand high operating pressures and intense heat cycles.\n\nVertex distinguishes itself through advanced manufacturing techniques, offering specific sizing variations to ensure an exact match for your cylinder. This level of precision helps to maximize compression, increase overall power output, and significantly reduce blow-by and oil consumption for a more efficient engine.\n\n### Key Features\n\n \n- Advanced Material Composition: Forged from high-quality 2618 aluminum alloy for superior strength and durability.\n \n- Precision Sizing: Grade D sizing (95.99mm) ensures an ideal fit within the cylinder bore to optimize engine performance.\n \n- Reduced Wear: Features a specialized Molybdenum Disulphide (MOS2) coating on the piston skirt to assist in the break-in process and minimize friction-related wear.\n \n- Performance Compression: Engineered with a 13.5:1 compression ratio to maintain factory-level power delivery and throttle response.\n \n- Engineered for Longevity: Built to endure the rigorous conditions of racing and high-intensity riding environments.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-450r-rx-2017-2018-grade-d-9599mm-std-compression-1351","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/9a6690ab2021:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/9a6690ab2021:1"}},"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."]}}