{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"dcea2bb8d237","name":"CYLINDER KIT 90.00mm HONDA 98-04 TRX 450 S ES FE FM 12100-HN0-A00","sku":"56-K287.90.KIT","brand":"Dirt Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":15,"price":{"amount":293.41,"formatted":"£293.41"},"summary":"Top end rebuild kit for Honda TRX450 S ES FE FM Foreman 450 4x4 models 1998-2004. Includes standard bore cylinder, piston assembly, gaskets, and components for restoring engine performance. Features include reliability, high-tech materials, OEM quality, direct OEM replacement, and easy installation. Specifications: 450cc displacement, 90mm bore size, 55.6mm piston height. Cylinder material: high-grade cast aluminum. Piston material: forged aluminum. Kit includes: 1x Cylinder, 1x Standard Size Piston, 1x Piston Ring Kit, 1x Wristpin, 2x Circlips, 1x Cylinder Head Gasket, 1x Cylinder Block Gasket, 1x Exhaust Gasket, 1x O-Ring, 1x Intake Gasket. Cross-reference OEM part numbers: Cylinder 12100-HN0-A00, Cylinder Base Gasket 12191-HM7-013, Cylinder Head Gasket 12251-HN0-A01, Cylinder Head Cover Gasket 12315-HM7-005, Piston 13101-HN0-A00, Ring Set 13010-HN0-A02, Pin Piston 13111-HN0-A00, Clip Piston 13112-MAT-000, Valve Seals 12209-KL4-005, O-Ring (37x2.4) 91305-HN0-A00, Exhaust Gasket 18291-MN4-920. Manufacturer: Dirt Racing. Weight: 4214 grams.","attributes":[{"label":"General Colour C","value":"Silver"},{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"Variant Id","value":"303432"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K287_2E90_2EKIT/2f897c710ff858af.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K287_2E90_2EKIT/2f897c710ff858af.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K287_2E90_2EKIT/4197c6d82cb0bcb4.jpg"],"description":"Top end rebuild kit for Honda TRX450 S ES FE FM Foreman 450 4x4 models 1998-2004. Includes standard bore cylinder, piston assembly, gaskets, and components for restoring engine performance. Features include reliability, high-tech materials, OEM quality, direct OEM replacement, and easy installation. Specifications: 450cc displacement, 90mm bore size, 55.6mm piston height. Cylinder material: high-grade cast aluminum. Piston material: forged aluminum. Kit includes: 1x Cylinder, 1x Standard Size Piston, 1x Piston Ring Kit, 1x Wristpin, 2x Circlips, 1x Cylinder Head Gasket, 1x Cylinder Block Gasket, 1x Exhaust Gasket, 1x O-Ring, 1x Intake Gasket. Cross-reference OEM part numbers: Cylinder 12100-HN0-A00, Cylinder Base Gasket 12191-HM7-013, Cylinder Head Gasket 12251-HN0-A01, Cylinder Head Cover Gasket 12315-HM7-005, Piston 13101-HN0-A00, Ring Set 13010-HN0-A02, Pin Piston 13111-HN0-A00, Clip Piston 13112-MAT-000, Valve Seals 12209-KL4-005, O-Ring (37x2.4) 91305-HN0-A00, Exhaust Gasket 18291-MN4-920. Manufacturer: Dirt Racing. Weight: 4214 grams.","descriptionMarkdown":"### Dirt Racing Cylinder Kit 90.00mm for Honda TRX450\n\n\tRestore your Honda TRX450's engine performance with this comprehensive cylinder kit from Dirt Racing. Engineered for reliability and optimal fit, this kit provides everything needed for a top-end rebuild. It utilizes high-tech materials to meet or exceed OEM quality standards, ensuring unmatched performance and durability. This kit is designed as a direct OEM replacement, making installation straightforward. Professional installation is recommended if you are unsure.\n\n### Key Features\n\n\t\n- High-grade cast aluminum cylinder construction.\n\t\n- Forged aluminum piston for enhanced strength.\n\t\n- Includes all necessary gaskets and components for a complete rebuild.\n\t\n- Standard bore size for direct replacement.\n\t\n- Designed for OEM-level fit and reliability.\n\n### Specifications\n\n\t\n- Displacement: 450cc\n\t\n- Bore Size: 90.00mm (STD)\n\t\n- Piston Height: 55.6mm\n\t\n- Cylinder Material: High-grade cast aluminum\n\t\n- Piston Material: Forged aluminum\n\n### Kit Contents\n\n\t\n- 1x Cylinder\n\t\n- 1x Standard Size Piston\n\t\n- 1x Piston Ring Kit\n\t\n- 1x Wristpin\n\t\n- 2x Circlips\n\t\n- 1x Cylinder Head Gasket\n\t\n- 1x Cylinder Block Gasket\n\t\n- 1x Exhaust Gasket\n\t\n- 1x O-Ring\n\t\n- 1x Intake Gasket\n\n### Cross-Reference OEM Part Numbers\n\n\t\n- Cylinder: 12100-HN0-A00\n\t\n- Cylinder Base Gasket: 12191-HM7-013\n\t\n- Cylinder Head Gasket: 12251-HN0-A01\n\t\n- Cylinder Head Cover Gasket: 12315-HM7-005\n\t\n- Piston: 13101-HN0-A00\n\t\n- Ring Set: 13010-HN0-A02\n\t\n- Pin, Piston: 13111-HN0-A00\n\t\n- Clip, Piston: 13112-MAT-000\n\t\n- Valve Seals: 12209-KL4-005\n\t\n- O-Ring (37x2.4): 91305-HN0-A00\n\t\n- Exhaust Gasket: 18291-MN4-920","weightGrams":null,"fitments":[{"make":"HONDA","model":"TRX 450","cc":null,"notes":null,"years":"1997–2004"}],"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-9000mm-honda-98-04-trx-450-s-es-fe-fm-12100-hn0-a00","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/dcea2bb8d237:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/dcea2bb8d237:1"}},"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."]}}