{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5515836051ea","name":"CYLINDER KIT 04-05 TRX450R 480, WORKS CYCLINDER 11003-K01, BIG BORE 97.00mm","sku":"56-K105.97.K.W","brand":"Cylinder Works","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":721.62,"formatted":"£721.62"},"summary":"Big Bore Cylinder Kit Part Number 11003-K01 features a 97.00mm bore size, increasing engine displacement to 479cc with a 10.5:1 compression ratio. This kit achieves 500cc when paired with the Hot Rods #4160 crankshaft. Includes a high-quality Vertex #23531 piston, cylinder, rings, pin, clips, and gaskets for complete installation. Cross-reference part numbers include 12101-HP1-670, ATHENA P400210100007, S4F09700010A, P400210160005, S41316060, S41317039, 422-11003K, 0931-0133, 733706, Dec-52, HR11003K01, 77000-37, K8610D300-1ZA, TW400210100007, and P400210100007 (97mm Bore). Manufactured by Cylinder Works.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"Variant Id","value":"252619"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K105_2E97_2EK_2EW/97595d379ab8dcba.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K105_2E97_2EK_2EW/97595d379ab8dcba.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K105_2E97_2EK_2EW/89d5f55012cb2c62.jpg"],"description":"Big Bore Cylinder Kit Part Number 11003-K01 features a 97.00mm bore size, increasing engine displacement to 479cc with a 10.5:1 compression ratio. This kit achieves 500cc when paired with the Hot Rods #4160 crankshaft. Includes a high-quality Vertex #23531 piston, cylinder, rings, pin, clips, and gaskets for complete installation. Cross-reference part numbers include 12101-HP1-670, ATHENA P400210100007, S4F09700010A, P400210160005, S41316060, S41317039, 422-11003K, 0931-0133, 733706, Dec-52, HR11003K01, 77000-37, K8610D300-1ZA, TW400210100007, and P400210100007 (97mm Bore). Manufactured by Cylinder Works.","descriptionMarkdown":"### Big Bore Cylinder Kit for Enhanced Performance\n\nUpgrade your 2004-2005 Honda TRX450R Sportrax with this high-performance Big Bore Cylinder Kit. Designed to significantly boost engine power and responsiveness, this kit offers a substantial increase in displacement for a more thrilling ride.\n\n**Key Features:**\n\n\t\n- Increased Displacement: This +3mm Big Bore Kit raises the engine's displacement to 479cc, providing more power and torque.\n\t\n- Optimized Compression: Features a 10.5:1 compression ratio for improved combustion efficiency and performance.\n\t\n- Scalable Performance: Achieve an even greater displacement of 500cc when used in conjunction with the Hot Rods #4160 crankshaft.\n\t\n- Precision Bore Size: Engineered with a 97.00mm bore for a perfect fit and optimal engine function.\n\t\n- Premium Piston Included: Comes complete with a high-quality Vertex #23531 piston, ensuring durability and reliable performance.\n\t\n- Complete Installation Package: This comprehensive kit includes everything needed for a full installation: cylinder, piston, rings, pin, clips, and all necessary gaskets.\n\n**Specifications:**\n\n\t\n- Bore Size: 97.00mm\n\t\n- Compression Ratio: 10.5:1\n\t\n- Engine Displacement: 479cc (480cc)\n\t\n- Includes Vertex Piston: #23531","weightGrams":null,"fitments":[{"make":"HONDA","model":"TRX 450R","cc":null,"notes":null,"years":"2004–2005"},{"make":"HONDA","model":"TRX R 450","cc":null,"notes":null,"years":"2004–2005"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Cylinder Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/cylinder-kits"}],"links":{"page":"https://www.2brosparts.com/products/cylinder-kit-04-05-trx450r-480-works-cyclinder-11003-k01-big-bore-9700mm","buyOneNow":null,"basketWithThis":null}},"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."]}}