{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ae0601294f2f","name":"KAWASAKI KXF 450 2019-2022 GRADE B 95.97mm G.P RACERS CHOICE 13.0:1","sku":"V.4377B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":356.32,"formatted":"£356.32"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18%, or 21% silicon. 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 done using CNC machines and diamond tools, achieving specific surface finishes. Each piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating is also available, offering increased hardness, surface porosity, and superior adhesion for the Molybdenum Coating, doubling its durability. This piston has a bore of 95.97mm and a compression ratio of 13.0:1.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kxf-450-2019-2020-grade-b-95.97mm-g.p-racers-choice-13.0-1-10547-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kxf-450-2019-2020-grade-b-95.97mm-g.p-racers-choice-13.0-1-10547-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18%, or 21% silicon. 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 done using CNC machines and diamond tools, achieving specific surface finishes. Each piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating is also available, offering increased hardness, surface porosity, and superior adhesion for the Molybdenum Coating, doubling its durability. This piston has a bore of 95.97mm and a compression ratio of 13.0:1.","descriptionMarkdown":"### Vertex G.P. Racers Choice High-Performance Piston\n\nEnhance the performance and reliability of your engine with the Vertex G.P. Racers Choice piston. Engineered for competitive riders and demanding conditions, this piston is manufactured using exotic, high-silicon aluminum alloys to ensure optimal structural integrity and thermal resistance. Whether you are replacing a worn component or building for peak power, Vertex provides the precision engineering required for high-performance motorsports.\n\n### Advanced Manufacturing and Material Quality\n\nVertex utilizes cutting-edge production techniques, including gravity casting and hydraulic forging processes. Each piston blank undergoes a sophisticated heat treatment cycle, involving solubilization and quenching in hot water, to refine the alloy structure. The final shaping is performed on state-of-the-art CNC machinery utilizing diamond tooling to achieve exact specifications and superior surface finishes.\n\n### Key Features\n\n \n- High-Tech Alloy Construction: Crafted from Low-Ex (low expansion) aluminum alloys charged with high levels of silicon for maximum durability.\n \n- Molybdenum Bisulphite Coating: Features a specialized black coating that aids in the break-in process while significantly reducing friction during operation.\n \n- Phosphate Coating Technology: Inspired by Formula One engine developments, the additional phosphate coating provides a slight increase in surface hardness and improves the adhesion of the molybdenum layer, effectively doubling its durability.\n \n- Rigorous Quality Control: Every unit undergoes extensive manual and automatic inspection processes to ensure the highest standards of quality and consistency.\n \n- Precision Engineering: Designed for riders who demand reliable, consistent power delivery across the entire rev range.\n\nChoose Vertex for your engine rebuild to benefit from decades of racing experience and industry-leading metallurgical research. This piston is an essential upgrade for maintaining optimal cylinder pressure and engine efficiency.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/kawasaki-kxf-450-2019-2022-grade-b-9597mm-gp-racers-choice-1301","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ae0601294f2f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ae0601294f2f: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."]}}