{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cbf4c145c5ed","name":"TOP END PISTON KIT 81-84 HONDA ATC R 250 71.5mm 1.5mm OVER VINTCO KTH21-1.5","sku":"VIN-KTH21-1.5","brand":"Vintco","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":205.42,"formatted":"£205.42"},"summary":"VintCo top end piston kit KTH21-1.5 is a complete rebuild kit for 1981-1984 Honda ATC250R models. It includes a piston kit with piston, rings, pin and clips, a wrist pin bearing, and a full top-end gasket set covering the head, base, intake and exhaust. Produced using modern manufacturing techniques for OEM-equivalent fitment and performance, this kit is supplied in a 71.5 mm +1.5 mm over size, with additional size options also available. Features include a complete top-end rebuild kit including piston, rings, pin and clips, wrist pin bearing, and full top-end gasket kit covering head, base, intake and exhaust gasket positions. Intended to simplify top-end rebuild work. MOS2 coating supports running-in. Produced for OEM-equivalent fitment and performance. Specifications: VintCo Part Number KTH21-1.5, Piston nominal size 71.5 mm, Piston size 71.44 mm, Oversize +1.5 mm, Piston clearance 0.06 mm, Piston construction Forged, Piston coating MOS2, Country of manufacture Germany. Cross-Reference OEM Part Numbers: Head gasket 12254-961-010, Base gasket 12191-961-306, Intake gasket 14132-KAE-000, Intake gasket 14133-430-306, Exhaust pipe gasket 18291-961-306.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-KTH21-1_2E5/91803a08c3a5a2c1.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-KTH21-1_2E5/91803a08c3a5a2c1.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/VIN-KTH21-1_2E5/7721212f21ed4edb.jpg"],"description":"VintCo top end piston kit KTH21-1.5 is a complete rebuild kit for 1981-1984 Honda ATC250R models. It includes a piston kit with piston, rings, pin and clips, a wrist pin bearing, and a full top-end gasket set covering the head, base, intake and exhaust. Produced using modern manufacturing techniques for OEM-equivalent fitment and performance, this kit is supplied in a 71.5 mm +1.5 mm over size, with additional size options also available. Features include a complete top-end rebuild kit including piston, rings, pin and clips, wrist pin bearing, and full top-end gasket kit covering head, base, intake and exhaust gasket positions. Intended to simplify top-end rebuild work. MOS2 coating supports running-in. Produced for OEM-equivalent fitment and performance. Specifications: VintCo Part Number KTH21-1.5, Piston nominal size 71.5 mm, Piston size 71.44 mm, Oversize +1.5 mm, Piston clearance 0.06 mm, Piston construction Forged, Piston coating MOS2, Country of manufacture Germany. Cross-Reference OEM Part Numbers: Head gasket 12254-961-010, Base gasket 12191-961-306, Intake gasket 14132-KAE-000, Intake gasket 14133-430-306, Exhaust pipe gasket 18291-961-306.","descriptionMarkdown":"### VintCo Top End Piston Kit\n\nRestore your vehicle's top-end performance with this comprehensive VintCo Top End Piston Kit. Designed for precision and durability, this kit provides all the essential components for a complete top-end rebuild, simplifying the maintenance process and ensuring optimal engine function. Each component is manufactured using advanced techniques to meet OEM-equivalent standards for fitment and performance.\n\nThis specific kit features a piston sized at 71.5 mm, representing a 1.5 mm oversize from the standard. The kit includes a high-quality forged piston, precisely engineered with a 0.06 mm piston clearance for optimal operation. A specialized MOS2 coating on the piston aids in the running-in process, promoting longevity and initial performance.\n\nThe VintCo Top End Piston Kit simplifies your rebuild by including:\n\n \n- Piston Kit: Complete with piston, piston rings, wrist pin, and retaining clips.\n \n- Wrist Pin Bearing: Essential for smooth wrist pin rotation.\n \n- Full Top-End Gasket Set: Includes all necessary gaskets for the head, base, intake, and exhaust, ensuring a leak-free seal.\n\nThe kit is manufactured in Germany, guaranteeing high standards of production and quality. Purchasing this kit offers a cost advantage, with the total price being approximately 10% lower than acquiring each part individually.\n\n**Key Specifications:**\n\n \n- Piston Nominal Size: 71.5 mm\n \n- Piston Size: 71.44 mm\n \n- Oversize: +1.5 mm\n \n- Piston Clearance: 0.06 mm\n \n- Piston Construction: Forged\n \n- Piston Coating: MOS2 (Molybdenum Disulfide) for enhanced lubrication during break-in\n \n- Country of Manufacture: Germany","weightGrams":null,"fitments":[{"make":"HONDA","model":"ATC R 250","cc":null,"notes":null,"years":"1981–1984"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/top-end-piston-kit-81-84-honda-atc-r-250-715mm-15mm-over-vintco-kth21-15","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. Checkout links only work for shoppers in the UK: for anywhere else, give them the product pages.","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."]}}