{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"20f3fcd271d7","name":"Cylinder Kit (Big Bore) 421cc 'Assassin' for Yamaha Banshee","sku":"ACE_DLCY421SSK","brand":"Driveline Performance","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":10,"price":{"amount":1782.11,"formatted":"£1,782.11"},"summary":"This Driveline Performance 421cc big bore Assassin ATV cylinder kit has a 68mm bore and standard port Performance 421cc Assassin Big Bore Cylinder Kit Features68mm big bore standard port timing, st…","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/aceatv/ACE_5FDLCY421SSK/12fb485fc2d106fd.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/aceatv/ACE_5FDLCY421SSK/12fb485fc2d106fd.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/aceatv/ACE_5FDLCY421SSK/f173d04ba2a99d9d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/aceatv/ACE_5FDLCY421SSK/350d198d7bff8d9b.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/aceatv/ACE_5FDLCY421SSK/e82a4a138deaf008.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/aceatv/ACE_5FDLCY421SSK/1b8f331161c2d0da.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/aceatv/ACE_5FDLCY421SSK/a46cce4ed99201cf.jpg"],"description":"This Driveline Performance 421cc big bore Assassin ATV cylinder kit has a 68mm bore and standard port Performance 421cc Assassin Big Bore Cylinder Kit Features68mm big bore standard port timing, st…","descriptionMarkdown":"This **Driveline Performance 421cc big bore Assassin ATV cylinder kit** has a 68mm bore and standard port timing.\n\n### Driveline Performance 421cc Assassin Big Bore Cylinder Kit Features\n\n- 68mm big bore standard port timing, stock appearing Assassin cylinders, an in house design from Driveline Performance\n- 68mm Nikasil bore, triple exhaust ports, larger intake and transfer ports\n- Machined in house on a CNC for the +4mm long rod stroker crankshaft\n- Machined to specific heights so there are no spacer plates required, a standard.020 inch base gasket is all that is needed\n- Designed to be used with a +4mm stroker crankshaft with 115mm rods\n- Port specs are 195 exhaust and 124 transfer durations\n- Offered in one port timing configuration\n\n### Driveline Performance 421cc Assassin Big Bore Cylinder Kit Specifications\n\n- Brand: Driveline Performance\n- Product type: Big bore cylinder kit\n- Model: Assassin\n- Displacement: 421cc\n- Bore size: 68mm\n- Bore plating: Nikasil (Millenium Technologies is used for the Nikasil plating)\n- Exhaust ports: Triple\n- Exhaust duration: 195\n- Transfer duration: 124\n- Crankshaft: +4mm stroker with 115mm rods\n- Base gasket:.020 inch\n\n### What's Included\n\n- 2 cylinders Nikasil plated to a 68mm bore size\n- 2 Wiseco forged 68mm pistons with custom intake window design\n- Rings, wrist pins and circlips\n- 2 rubber water jacket plugs\n- 1.020 inch base gasket\n\nPeak H.P. and power curves will vary depending on the amount of compression and timing you choose to use along with the quality of reeds and carburettors that are being installed. Horsepower numbers will vary depending on the pipes, carbs, reeds, etc. that are being used.","weightGrams":null,"fitments":[],"collections":[{"name":"ATV","url":"https://www.2brosparts.com/api/agent/collection/GB/atv"}],"links":{"page":"https://www.2brosparts.com/products/cylinder-kit-big-bore-421cc-assassin-for-yamaha-banshee","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/20f3fcd271d7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/20f3fcd271d7:1"}},"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. 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."]}}