{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b14f4e7b0ff2","name":"SUZUKI RM 250 1989-1995 GRADE B 66.95mm TWIN RING PISTON","sku":"V.2215B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":218.62,"formatted":"£218.62"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon content. They are produced using gravity cast or hydraulic forging processes, followed by a high-tech heat treatment with solubilization by quench in hot water. Machining is performed using the latest CNC machines and software with diamond tools, achieving specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. A new Phosphate Coating, inspired by Formula One engines, offers increased hardness, light surface porosity, and superior adhesion qualities for the Molybdenum Coating, doubling its durability. This piston is 66.95mm and features twin rings.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/suzuki-rm-250-1989-1995-grade-b-66.95mm-twin-ring-piston-3796-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/suzuki-rm-250-1989-1995-grade-b-66.95mm-twin-ring-piston-3796-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon content. They are produced using gravity cast or hydraulic forging processes, followed by a high-tech heat treatment with solubilization by quench in hot water. Machining is performed using the latest CNC machines and software with diamond tools, achieving specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. A new Phosphate Coating, inspired by Formula One engines, offers increased hardness, light surface porosity, and superior adhesion qualities for the Molybdenum Coating, doubling its durability. This piston is 66.95mm and features twin rings.","descriptionMarkdown":"### Vertex Grade B Twin Ring Piston - 66.95mm\n\nEnhance the performance and reliability of your engine with the Vertex Grade B Twin Ring Piston. Engineered for precision and durability, this piston is manufactured using advanced Low-Ex (low expansion) silicon-charged aluminium alloys. This high-tech material selection ensures optimal thermal expansion control and structural integrity under demanding operating conditions.\n\nVertex utilizes state-of-the-art gravity casting and hydraulic forging processes, followed by rigorous heat treatment cycles in automated implants. This ensures that the material structure is refined to the highest specifications, providing superior strength and longevity. Every piston is machined on advanced CNC equipment using precision diamond tooling to achieve the exact surface finish required for high-performance applications.\n\n### Key Features\n\n \n- Advanced Alloy Construction: Crafted from exotic aluminium alloys with 12%, 18%, or 21% silicon content for maximum durability.\n \n- Precision Machining: CNC-manufactured using diamond tools to ensure exact tolerances and optimal surface characteristics.\n \n- Molybdenum Bisulphite Coating: Features a specialized black coating to assist in the break-in process and significantly reduce internal friction.\n \n- Phosphate Coating Technology: Incorporates a phosphate surface treatment that increases hardness and improves the adhesion of the Molybdenum coating, doubling its overall durability.\n \n- Quality Assurance: Each unit undergoes exhaustive manual and automatic quality control checks to meet premium industry standards.\n \n- Twin Ring Design: Engineered to provide an excellent seal and consistent compression throughout the RPM range.\n\nWhether you are performing a top-end rebuild or a complete engine overhaul, the Vertex Grade B piston offers the performance-driven engineering required to keep your machine running at its peak.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/suzuki-rm-250-1989-1995-grade-b-6695mm-twin-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b14f4e7b0ff2:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b14f4e7b0ff2:1"}},"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."]}}