Proflow SuperMax Cylinder Heads, Aluminium, Holden Commodore VN EFI, Bare, 590 HP Out of Box, 63cc Chamber, 200cc Intake Runner, Pair - PFEAHH20063-EFI-BARE
Proflow SuperMax Cylinder Heads, Aluminium, Holden Commodore VN EFI, Bare, 590 HP Out of Box, 63cc Chamber, 200cc Intake Runner, Pair - PFEAHH20063-EFI-BARE is not in stock at Fast Lane Spares and will ship direct from supplier.
Description
Description
Part Number: PFEAHH20063-EFI-BARE
Holden Commodore SuperMax-EFI Aluminium Heads
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.
Must Use Proflow Shaft Mount 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 AngleĀ | Ā 5Ā° |
| Ā Deck ThicknessĀ | Ā 0.6875ā |
Ā
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