{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2b4a9fe290af","name":"SUZUKI RM 250 1989-1995 GRADE A 66.94mm TWIN RING PISTON","sku":"V.2215A","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, depending on the application. Pistons are made using gravity casting or hydraulic forging, followed by heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is completed using CNC machines and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with Molybdenum Bisulphite black coating to aid break-in and reduce friction. A new Phosphate Coating offers increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. This piston has a 66.94mm bore size.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/suzuki-rm-250-1989-1995-grade-a-66.94mm-twin-ring-piston-3795-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/suzuki-rm-250-1989-1995-grade-a-66.94mm-twin-ring-piston-3795-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon, depending on the application. Pistons are made using gravity casting or hydraulic forging, followed by heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is completed using CNC machines and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with Molybdenum Bisulphite black coating to aid break-in and reduce friction. A new Phosphate Coating offers increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. This piston has a 66.94mm bore size.","descriptionMarkdown":"### Vertex High-Performance Twin Ring Piston\n\nUpgrade your engine's performance and reliability with this premium Vertex Grade A 66.94mm twin ring piston. Engineered for demanding environments, this piston is designed to provide optimal compression and long-lasting durability for your motorcycle engine.\n\nVertex pistons are manufactured using advanced low-expansion silicon-charged aluminium alloys, available in 12%, 18%, or 21% concentrations depending on the specific application requirements. Through a combination of gravity casting or hydraulic forging and a sophisticated automated heat treatment process, these pistons achieve a refined material structure that delivers superior strength and heat resistance.\n\n### Advanced Engineering and Surface Finishing\n\nPrecision is at the heart of the Vertex manufacturing process. Each piston is machined using state-of-the-art CNC technology and diamond-tipped tooling to ensure exact tolerances and the ideal surface finish for peak engine performance. Every unit undergoes rigorous manual and automated quality control inspections to guarantee the highest manufacturing standards.\n\n### Key Features\n\n \n- High-Tech Coatings: Features a Molybdenum Bisulphite black coating to reduce friction and assist during the initial piston break-in period.\n \n- Enhanced Durability: Includes an advanced phosphate coating that increases surface hardness and provides superior adhesion for the Molybdenum layer, effectively doubling the coating lifespan.\n \n- Optimized Alloy Construction: Crafted from high-grade aluminium alloys designed to withstand the stresses of high-performance operation.\n \n- Precision Machined: Utilizes CNC technology and diamond tools for industry-leading dimensional accuracy.\n \n- Quality Assured: Every piston is individually inspected to meet strict performance criteria.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/suzuki-rm-250-1989-1995-grade-a-6694mm-twin-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2b4a9fe290af:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2b4a9fe290af: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."]}}