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Aeroflow  |  SKU: AF95-0445

Aeroflow Bare Big Block Chrysler 383-440 240cc Aluminium Cylinder Heads with 78cc Chamber (Pair) - AF95-0445

2.27" x 1.23" Intake Port, 1.65" x 1.25" Exhaust Port

Regular price $2,531.90 NZD + GST
Shipping calculated at checkout.

Description

BB CHRY 240cc 383 413 440 BARE

2.27" x 1.23" Intake Port, 1.65" x 1.25" Exhaust Port

Part Number: AF95-0445

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.

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 240cc cylinder heads are ideal for operating in the idle to 6500 rpm range.

Specifications:

Head Specifications

Material:  A356 Aluminium
Compression Chamber:  78cc
Intake Port Volume:  240cc
Intake Port Dimension:  2.27" x 1.23"
Exhaust Port Volume:  74cc
Exhaust Port Dimension:  1.65" H x 1.25" W
Spark Plug Location:  OEM
Intake Valve Diameter:  2.19"
Exhaust Valve Diameter:  1.76"
Valve Stem Diameter:  11/32"
Valve Spring Pocket I.D.:  1.740"
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"

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.

Specifications

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