The 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.The Aeroflow Ford FE 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 CNC flow numbers. These Ford FE heads have 170cc intake runners, combined with diamond-honed bronze guides and hand bowl blending to outperform some of the best brands in the business.Head Specs:Chamber Volume: 72cc Chamber Intake port volume: 70cc Exhaust Runner Volume: 125cc Intake valve size: 2.09"Exhaust valve size: 1.66" Diameter of Outer Spring: 1.550"Valve Guide Material: Manganese Bronze Spark plug style: Angled Flow Chart cfm @ H2O .100" .200" .300" .400" .500" .600" 2.09 Intake 88 153 195 233 265 270 1.66 Exhaust 64 113 148 171 183 200

Note: Suit Ford FE 390-428