{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"72eaf498a12a","name":"CYLINDER SLEEVE 76-78 YAMAHA IT YZ 400 85mm VINTCO SLY04A","sku":"VIN-SLY04A","brand":"Vintco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":205.27,"formatted":"£205.27"},"summary":"VintCo cylinder sleeve made in the USA. This cast-iron sleeve is designed for vintage Yamaha YZ400 and IT400 cylinders from 1976-1978. It is manufactured with modern methods for an OEM-style fit and includes full dimensional information for installation by a qualified machinist. Features include correctly angled ports to minimize port-matching work, and it can be bored and honed to fit a stock-size VintCo piston kit. Specifications include a 85 mm bore, 145.4 mm height, 95.9 mm outside diameter, 98.7 mm flange outside diameter, 5.1 mm flange height, 5.9 mm wall thickness, 32 mm intake, and 36.2 mm exhaust port location. VintCo Part Number: SLY04A. Compatible piston part number: PSY04-00.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY04A/14059b8922fa9278.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY04A/14059b8922fa9278.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY04A/7b54c69b69b50b3d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY04A/a109ddbb2bd34ee9.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY04A/c6a771294e81bf77.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-SLY04A/0075eedf9188f8d5.jpg"],"description":"VintCo cylinder sleeve made in the USA. This cast-iron sleeve is designed for vintage Yamaha YZ400 and IT400 cylinders from 1976-1978. It is manufactured with modern methods for an OEM-style fit and includes full dimensional information for installation by a qualified machinist. Features include correctly angled ports to minimize port-matching work, and it can be bored and honed to fit a stock-size VintCo piston kit. Specifications include a 85 mm bore, 145.4 mm height, 95.9 mm outside diameter, 98.7 mm flange outside diameter, 5.1 mm flange height, 5.9 mm wall thickness, 32 mm intake, and 36.2 mm exhaust port location. VintCo Part Number: SLY04A. Compatible piston part number: PSY04-00.","descriptionMarkdown":"### VintCo Replacement Cylinder Sleeve for Vintage Yamaha YZ400 and IT400\n\nRestore your vintage Yamaha motorcycle's cylinder to peak performance with this high-quality VintCo replacement cylinder sleeve. This cast-iron sleeve is precision-made in the USA by Advanced Sleeve for VintCo, ensuring a reliable and durable solution for worn or damaged original cylinders.\n\nEngineered with modern manufacturing techniques, this sleeve offers OEM-style fitment. The ports are meticulously angled to minimize the need for complex port-matching during installation. This sleeve is designed to be bored and honed to perfectly accommodate a stock-size VintCo piston kit, allowing for a complete and effective engine rebuild.\n\n**Key Features:**\n\n \n- Direct replacement cylinder sleeve for specific vintage Yamaha models.\n \n- Ideal for rebuilding engines with worn or damaged cylinders.\n \n- Pre-angled ports reduce installation labor.\n \n- Can be machined to fit compatible VintCo pistons.\n \n- Requires installation by a skilled and qualified machinist.\n \n- Manufactured from durable cast iron for longevity.\n \n- Made in the USA.\n\n**Specifications:**\n\n \n- Material: Cast Iron\n \n- Bore Diameter: 85 mm\n \n- Overall Height: 145.4 mm\n \n- Outer Diameter: 95.9 mm\n \n- Flange Outer Diameter: 98.7 mm\n \n- Flange Height: 5.1 mm\n \n- Wall Thickness: 5.9 mm\n \n- Intake Port Size: 32 mm\n \n- Exhaust Port Location: 36.2 mm\n \n- Compatible Piston Part Number: PSY04-00\n \n- Dimensional information is supplied for professional installation.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"IT 400","cc":null,"notes":null,"years":"1976"},{"make":"YAMAHA","model":"YZ 400","cc":null,"notes":null,"years":"1976–1978"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/cylinder-sleeve-76-78-yamaha-it-yz-400-85mm-vintco-sly04a","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/72eaf498a12a:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/72eaf498a12a: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."]}}