{"product_id":"bare-gm-ls1-6-bolt-240cc-aluminium-cylinder-heads-with-68cc-chamber-to-suit-3-90-bore-pair","title":"Aeroflow Bare GM LS1 6 Bolt 240cc Aluminium Cylinder Heads with 68cc Chamber to Suit 3.90\" Bore (Pair) (AF95-0405)","description":"\u003cp\u003eGM LS 240cc ALUMIN HEADS BARE\u003c\/p\u003e\u003cp\u003e3.23\" x 1.10\" Intake Port, 1.70\" x 1.41\" Cathedral Exhaust Port\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePart Number\u003c\/b\u003e: AF95-0405\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cdiv class=\"product attribute description\"\u003e \u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilize ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamber designs produce excellent flow numbers. This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance GM LS cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at a competitive price. Made from A356 aluminium castings, these11° LS Cathedral Port heads are designed to fit LS series engines with a small 3.90\" bore. These bare 240cc heads accept 2.08\" diameter intake valves and 1.60\" exhaust valves and have a thicker than stock .750\" deck thickness. Available in 6-bolt design to suit standard or LSX block designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003e Thread sealant must be used on all rocker bolts as threads intersect with intake ports.\u003c\/p\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eImportant Information\u003c\/strong\u003e\u003c\/span\u003e: We recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder heads to make sure the spring pressure is correct for your application.\u003c\/p\u003e","brand":"Aeroflow","offers":[{"title":"Default Title","offer_id":44992050331875,"sku":"AF95-0405","price":2421.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/AF95-0405.jpg?v=1716096445","url":"https:\/\/fastlanespares.co.nz\/products\/bare-gm-ls1-6-bolt-240cc-aluminium-cylinder-heads-with-68cc-chamber-to-suit-3-90-bore-pair","provider":"Fast Lane Spares","version":"1.0","type":"link"}