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Proflow  |  SKU: PFEAHH20063-BARE

Proflow SuperMax Cylinder Heads, Aluminium, Holden Commodore VN Carb, Bare, 590 HP Out of Box, 63cc Chamber, 200cc Intake Runner, Pair - PFEAHH20063-BARE

Regular price $3,895.50 NZD + GST
Shipping calculated at checkout.

Description

Part Number: PFEAHH20063-BARE

Proflow Holden Commodore VN SuperMax Aluminium Heads Bare

Proflow does not sacrifice quality for a low price--you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of Engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302,351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB, phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. These fullyĀ assembled heads have stainless steel valves and high performance valve springs.Ā  Perfect for your Mild or High performance Hot Rod.

Use Proflow Aluminium Rocker kit # PFERRK-6000

Note: Can use CC-4769-16Ā if your needing to run a smaller ID spring.

SPECIFICATIONS

Combustion ChamberĀ  Ā 63 cc
Intake Port VolumeĀ  Ā 200 cc
Intake Port DimensionsĀ  Ā 2.170ā€ (H) x 1.285ā€ (W)
Exhaust Port VolumeĀ  Ā 72 cc
Exhaust Port DimensionsĀ  Ā 1.450ā€ (H) x 1.283ā€ (W)
Spark Plug LocationĀ  Ā OEM
Intake Valve DiameterĀ  Ā 2.020ā€
Exhaust Valve DiameterĀ  Ā 1.60ā€
Valve Stem DiameterĀ  Ā 5/16"
Valve Spring Pocket IDĀ  Ā 1.650ā€
Valve Guide ODĀ  Ā 0.530ā€
Maximum Valve LiftĀ  Ā 0.700ā€
Rocker Stud Thread SizeĀ  Ā 7/16ā€-14
Valve Angle   5°
Ā Deck ThicknessĀ  Ā 0.6875ā€

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