{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"8563df6d2a54","name":"YAMAHA YZF 450 2006-2009 +3mm 471cc STROKER CRANKSHAFT","sku":"HR.4174","brand":"Hot Rods","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":607.42,"formatted":"£607.42"},"summary":"Hot Rods Long Stroke Crankshaft kit. This kit provides increased displacement to 470cc, offering more low-end power and improved rideability. It is designed to use the stock piston and is a direct bolt-in installation. The crankshaft is factory assembled and trued to OEM specifications, meeting or surpassing OEM performance and durability. It is completely rebuildable with genuine Hot Rods connecting rods and includes original Hot Rods Connecting Rods, top end bearings, and crankshaft webs.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-450-2006-2009-3mm-471cc-stroker-crankshaft-1395-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-450-2006-2009-3mm-471cc-stroker-crankshaft-1395-p.jpg"],"description":"Hot Rods Long Stroke Crankshaft kit. This kit provides increased displacement to 470cc, offering more low-end power and improved rideability. It is designed to use the stock piston and is a direct bolt-in installation. The crankshaft is factory assembled and trued to OEM specifications, meeting or surpassing OEM performance and durability. It is completely rebuildable with genuine Hot Rods connecting rods and includes original Hot Rods Connecting Rods, top end bearings, and crankshaft webs.","descriptionMarkdown":"### Hot Rods +3mm Stroker Crankshaft\n\nBoost your engine performance with the Hot Rods Long Stroke Crankshaft. Designed for riders looking to maximize power output, this stroker kit increases your engine displacement to 471cc, providing a significant improvement in low-end torque and overall rideability.\n\nThis crankshaft is engineered for a straightforward upgrade process. It is designed to work with your stock piston, allowing for a bolt-in installation that saves time while delivering immediate performance gains. For those seeking even greater power, this component pairs exceptionally well with high-compression pistons and performance camshafts.\n\n### Key Features\n\n- Increased Displacement: Provides a +3mm stroke, increasing engine capacity to 471cc for enhanced power delivery.\n\n- Ready to Install: Comes factory assembled and trued to exact OEM specifications, ensuring a reliable fit and balanced operation.\n\n- Complete Assembly: Includes the proven Hot Rods connecting rod, top-end bearings, and crankshaft webs for a comprehensive solution.\n\n- Enhanced Durability: Built to meet or exceed OEM standards for performance, reliability, and longevity under demanding riding conditions.\n\n- Rebuildable Design: Fully serviceable using genuine Hot Rods connecting rods, ensuring long-term value for your engine rebuild.\n\nWhether you are looking to revitalize a tired engine or simply want more aggressive power characteristics, the Hot Rods stroker crankshaft is a premium choice for performance-focused enthusiasts. Each unit is precision-engineered to provide smooth operation and dependable strength for your machine.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yzf-450-2006-2009-3mm-471cc-stroker-crankshaft","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/8563df6d2a54:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/8563df6d2a54:1"}},"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."]}}