Complete Big Block Chrysler 383-440 220cc Aluminium Cylinder Heads with 82cc Chamber (Pair)
2.30" x 1.18" Intake Port, 1.75" x 1.25" Exhaust Port

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AF95-2440 - BB CHRY 220cc 383 413 440 PAIR

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Description

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 Performance big block Chrysler cylinder heads are designed for street performance engines to give the ultimate in flow at a budget price. Made from A356 aluminium castings, the 220cc cylinder heads are ideal for operating in the idle to 6500 rpm range. The complete heads include larger then stock 1.55" diameter dual valve spring to handle up to .550" maximum lift.

Specifications

Head Specifications

Material: A356 Aluminium
Chamber Chamber: 82cc
Intake Port Volume: 220cc
Intake Port Dimension: 2.30" x 1.18"
Exhaust Port Volume: 74cc
Exhaust Port Dimension: 1.715" H x 1.25" W
Spark Plug Location: OEM
Intake Valve Diameter: 2.14"
Exhaust Valve Diameter: 1.81"
Valve Stem Diameter: 11/32"
Valve Spring Pocket I.D.: 1.705"
Valve Guide Material: Manganese Bronze
Valve Guide O.D.: .530" (.560" at base)
Rocker Stud Thread Size: OE Stock
Valve Angle: 15°
Deck Thickness: .625"

Valve Spring Specifications

Installed Height: 1.850"
Installed Pressure: 125lbs
Open Pressure: 310lbs @ 500"
Maximum Lift: .600" @ 1.260"
Coil Bind: 1.150"
Spring Outside Diameter: 1.550"
Spring Inside Diameter: 1.140"
Spring Free Length: 2.310"
Valve Spring Retainer Outside Diameter: 1.500"
Valve Spring Inside Diameter: 0.415"
Valve Spring Retainer Step 1: 1.120"
Valve Spring Retainer Step 2: 0.640"
Valve Spring Locator Outside Diameter: 1.700"
Valve Spring Locator Inside Diameter: 1.550"

Suggested components

Suggested Components

Head Gasket: Fel-Pro 1009
Intake Gasket (383-400ci): Fel-Pro 1214
Intake Gasket (413-440ci): Fel-Pro 1215
Exhaust Gasket (383-400ci): Fel-Pro 1414
Head Bolts: ARP 145-3606

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.