{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"101b1ef442ed","name":"YAMAHA YZF 450 2020-2022 WRF 450 2021-2022 GRADE B 96.96mm G.P RACERS CHOICE","sku":"V.4450B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":323.92,"formatted":"£323.92"},"summary":"Vertex four-stroke pistons are forged from 2618 aluminum alloy to handle high pressures in modern four-stroke engines. The piston skirt features a Molybdenum Disulphide MOS2 coating to aid in break-in and reduce wear. Vertex pistons are available in A, B, C, and D sizes with variations of 0.004\" for optimal cylinder fitment, maximizing power and performance while reducing blow-by and oil consumption. This is a Grade B piston, 96.96mm, G.P. Racer's Choice.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-450-2020-grade-b-96.96mm-g.p-racers-choice-10639-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-450-2020-grade-b-96.96mm-g.p-racers-choice-10639-p.jpg"],"description":"Vertex four-stroke pistons are forged from 2618 aluminum alloy to handle high pressures in modern four-stroke engines. The piston skirt features a Molybdenum Disulphide MOS2 coating to aid in break-in and reduce wear. Vertex pistons are available in A, B, C, and D sizes with variations of 0.004\" for optimal cylinder fitment, maximizing power and performance while reducing blow-by and oil consumption. This is a Grade B piston, 96.96mm, G.P. Racer's Choice.","descriptionMarkdown":"### Vertex G.P. Racers Choice High-Performance Piston\n\nEnhance the performance and reliability of your four-stroke engine with the Vertex G.P. Racers Choice piston. Engineered for riders who demand precision, this Grade B piston is designed to meet the rigorous demands of modern motocross and off-road racing environments.\n\nEach piston is forged from high-quality 2618 aluminum alloy, providing the structural integrity needed to withstand high cylinder pressures and extreme operating conditions. The G.P. Racers Choice series is specifically developed to optimize engine efficiency, ensuring consistent power delivery throughout the rev range.\n\n### Key Features\n\n \n- Precision Forged Construction: Manufactured from 2618 aluminum alloy for maximum strength and durability under load.\n \n- Molybdenum Disulphide (MOS2) Coating: Features a specialized coating on the piston skirt to facilitate a smooth break-in process, minimize friction, and reduce component wear.\n \n- Optimized Sizing: This Grade B piston measures 96.96mm, allowing for a precise match to your cylinder bore to reduce blow-by and oil consumption.\n \n- Engineered Performance: Designed to provide an ideal compression ratio that maximizes throttle response and overall engine output.\n \n- Reduced Wear: The high-quality materials and coating assist in maintaining engine longevity, even in high-stress racing applications.\n\nBy choosing a Vertex G.P. Racers Choice piston, you are investing in top-tier engineering designed to keep your engine performing at its peak. Ensure your cylinder is properly measured to verify that a Grade B piston is the correct specification for your current engine build.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yzf-450-2020-2022-wrf-450-2021-2022-grade-b-9696mm-gp-racers-choice","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/101b1ef442ed:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/101b1ef442ed: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."]}}