Small Block Chev 327-350-400 212cc Aluminium Cylinder Heads Pair
SKU: AF95-2400
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Complete 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 Port
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
Exhaust Port Location: 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"
Valve Spring Specifications
Installed Pressure: 190lbs
Open Pressure: 430lbs @ 500"
Maximum Lift: .750" @ 1.240"
Coil Bind: 1.190"
Spring Outside Diameter: 1.570"
Spring Inside Diameter: 0.790"
Spring Free Length: 2.480"
Valve Spring Retainer Outside Diameter: 1.500"
Valve Spring Inside Diameter: 0.465"
Valve Spring Retainer Step 1: 1.120"
Valve Spring Retainer Step 2: 0.705"
Valve Spring Locator Outside Diameter: 1.6100"
Valve Spring Locator Inside Diameter: 0.565"
The 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. Include valves, valve springs, retainers & locks, guide plates and 7/16" rocker studs
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 ideal for operating in the idle to 7500 rpm range. These complete cylinder heads will fit a 4.00" bore and larger. The complete heads include larger then stock 1.57" diameter dual valve spring to handle up to .625" maximum lift. Suits solid and hydraulic roller camshafts.
IMPORTANT NOTICE:
We recommend to check installed spring seat pressure & open pressure before installing your cylinder heads to make sure the spring pressure is correct for your application.