Aeroflow Complete Small Block Chev 327-350-400 220cc Aluminium Cylinder Heads with 75cc Chamber (Pair) - AF95-2402
2.22" x 1.31" Intake Port, 1.42" x 1.54" Exhaust Port
Aeroflow Complete Small Block Chev 327-350-400 220cc Aluminium Cylinder Heads with 75cc Chamber (Pair) - AF95-2402 is not in stock at Fast Lane Spares and will ship direct from supplier
Description
Description
SBC 220cc ALUMINIUM HEADS
2.22" x 1.31" Intake Port, 1.42" x 1.54" Exhaust Port
Part Number: AF95-2402
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 220cc cylinder heads are ideal for operating in the idle to 7500 rpm range. These complete cylinder heads will fit a 4.000" bore and larger. The complete heads include larger then stock 2.080" diameter dual valve spring to handle up to .625" maximum lift. Suits solid and hydraulic roller camshafts.
Specifications:
Material: A356 Aluminium
Chamber Chamber: 75cc
Intake Port Volume: 220cc
Intake Port Dimension: 2.22" x 1.31"
Exhaust Port Volume: 80cc
Exhaust Port Dimension: 1.42" H x 1.54" W
Spark Plug Location: Angled
Intake Valve Diameter: 2.08"
Exhaust Valve Diameter: 1.60"
Valve Stem Diameter: 8mm
Valve Spring Pocket I.D.: 1.55"
Valve Guide Material: Bronze
Valve Guide O.D.: .502" (.560" at base)
Rocker Stud Thread Size: 7/16"-14
Valve Angle: 23°
Deck Thickness: .750"
Valve Spring Specifications
Installed Height: 1.990"
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"
Important Information:
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.
CLEANING:Aeroflow thoroughly cleaned your cylinder heads prior to dispatch. The heads were washed in a water-soluble chemical agitation tank and blown out with high-pressure air three to four times before being packaged.
During certain machining operations, however, small metal particles can become lodged in the water jackets and may dislodge during transit. Please note that a single chip approximately the size of a 10-cent coin can fragment into many smaller particles, which may make the situation appear more significant than it is.
It is not uncommon, when applying high-pressure air to the water jackets, for additional debris to be expelled. Aeroflow recommends thoroughly blowing out the cylinder heads prior to installation.
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