{"product_id":"af95-0407-gm-ls-276cc-alumin-heads-bare","title":"GM LS 276cc ALUMIN HEADS BARE - AF95-0407","description":"\u003cp\u003e2.60\" x 1.28\" Intake Port, 1.47\" x 1.64\" Exhaust Port\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilise 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\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, these 15° LS3 Rectangle Port heads are designed to fit LS series engines with a 4.00\" or larger bore. These bare 276cc heads accept 2.165\" diameter intake valves and 1.60\" exhaust valves and have a thicker than stock .625\" deck thickness. Available in OE 4-bolt design or 6-bolt design to suit standard or LSX block designs.\u003c\/p\u003e\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 ","brand":"Aeroflow","offers":[{"title":"Default Title","offer_id":40973998817361,"sku":"AF95-0407","price":1909.46,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2115\/6365\/files\/AF95-0407_0d798c68-4dc5-4671-a898-f063a2c07952.jpg?v=1711594690","url":"https:\/\/longboostperformance.com\/products\/af95-0407-gm-ls-276cc-alumin-heads-bare","provider":"LongBoost Performance Parts","version":"1.0","type":"link"}