Bare Small Block Chev 327-350-400 212cc Aluminium Cylinder Heads with 66cc Chamber (Pair)2.21" x 1.30" Intake Port, 1.42" x 1.53" Exhaust PortBrand: AEROFLOWPart Number: AF95-0400Description: The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. 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 Performance small block Chevy 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 210cc cylinder heads are idealfor operating in the idle to 7500 rpm range. These completecylinder heads will fit a 4.00" bore and larger.
Additional Specifications: Head Specifications
Material: A356 Aluminium
Chamber Chamber: 66cc
Intake Port Volume: 210cc
Intake Port Dimension: 2.21" x 1.30"
Exhaust Port Volume: 72cc
Exhaust Port Dimension: 1.42" H x 1.53" W
Exhuast PortLocation: Raised .250"
Spark Plug Location: Angled
Intake Valve Diameter: 2.08"
Exhaust Valve Diameter: 1.60"
Valve Stem Diameter: 8mm
Valve Spring Pocket I.D.: 1.57"
Valve Guide Material: Bronze
Valve Guide O.D.: .502" (.560" at base)
Rocker Stud Thread Size: 7/16" x 14
Valve Angle: 23°
Deck Thickness: .750"
Important Information: IMPORTANT NOTICE:
We recommend to check installed spring seat pressure & open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.