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.
Aeroflow Small block Chevy cylinder heads are designed for street / race performance engines and ideal for operating in the idle to 7500 rpm range. Made from A356 aluminium castings. These complete heads include larger-than-stock 1.57" (40mm) diameter dual valve spring to handle up to 0.710" (18mm) maximum valve lift. Recommended spark plugs are 14mm x 3/4" reach with flat gasket seat. Include valves, valve springs, retainers & locks, guide plates and 7/16" rocker studsHead Specs:
Chamber Volume: 65cc Chamber
Intake port volume: 210cc
Intake valve size: 2.08"
Exhaust valve size: 1.60"
Valve spring diameter: 1.575" (40mm)
Spring installed height: 1.95" @ 190lbs
Maximum valve lift: 0.710" (18mm) @ 540lbs
Rocker stud diameter: 7/16"
Pushrod diameter: 5/16" (width of slot in guide plate)
Spark plug style: Straight
Flow Chart cfm @ H2O