{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5299a49e5790","name":"YAMAHA YZF / WRF 250 2001-2004 GRADE B 76.96mm STD COMPRESSION 12.5:1","sku":"V.2805B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":275.32,"formatted":"£275.32"},"summary":"Vertex 23394B four-stroke piston. Forged from 2618 aluminum alloy. Features a Molybdenum Disulphide (MOS2) coating on the piston skirt for break-in and reduced wear. Grade B size. Standard compression ratio of 12.5:1. Piston diameter is 76.96mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-wrf-250-2001-2004-grade-b-76.96mm-std-compression-12.5-1-5052-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-wrf-250-2001-2004-grade-b-76.96mm-std-compression-12.5-1-5052-p.jpg"],"description":"Vertex 23394B four-stroke piston. Forged from 2618 aluminum alloy. Features a Molybdenum Disulphide (MOS2) coating on the piston skirt for break-in and reduced wear. Grade B size. Standard compression ratio of 12.5:1. Piston diameter is 76.96mm.","descriptionMarkdown":"### Vertex Four-Stroke Performance Piston - Grade B\n\nUpgrade your engine reliability and power output with the Vertex Four-Stroke Piston. Engineered for riders who demand consistency and durability, this high-performance piston is forged from premium 2618 aluminum alloy. This advanced material composition provides the strength necessary to withstand the intense thermal and mechanical pressures found in modern four-stroke engines.\n\n### Key Features\n\n \n- Precision Engineering: Manufactured with specific piston profiles and exact sizing to ensure a perfect fit within your cylinder. This precision reduces blow-by and oil consumption while maximizing overall engine efficiency.\n \n- Molybdenum Disulphide (MOS2) Coating: Each piston features a specialized MOS2 skirt coating. This treatment is designed to assist in the initial break-in process and significantly reduce friction, leading to decreased wear and an extended service life.\n \n- Optimized Compression: Designed with a 12.5:1 compression ratio, this piston helps maintain the power characteristics required for high-performance riding.\n \n- Grade B Sizing: This Grade B piston is measured at 76.96mm, providing the exact tolerance needed for precise engine rebuilding.\n\nBy choosing Vertex, you are selecting a piston designed to maintain peak performance throughout the engine service interval. Whether you are replacing a worn component or performing a full engine refresh, Vertex provides the quality and engineering excellence required for demanding riding conditions.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yzf-wrf-250-2001-2004-grade-b-7696mm-std-compression-1251","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/5299a49e5790:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/5299a49e5790:1"}},"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."]}}