Proflow SuperMax Cylinder Heads, Aluminium, Holden Commodore VN Carb, Bare, 590 HP Out of Box, 63cc Chamber, 200cc Intake Runner, Pair - 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
is not in stock at Fast Lane Spares and will ship direct from supplier.
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Description
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 fully assembled heads have stainless steel valves and high performance valve springs. Perfect for your Mild or High performance Hot Rod.
Use Proflow Aluminium Rocker kit # PFERRK-6000
Note: Can use CC-4769-16 if your needing to run a smaller ID spring.
SPECIFICATIONS |
|
| Combustion Chamber | 63 cc |
| Intake Port Volume | 200 cc |
| Intake Port Dimensions | 2.170” (H) x 1.285” (W) |
| Exhaust Port Volume | 72 cc |
| Exhaust Port Dimensions | 1.450” (H) x 1.283” (W) |
| Spark Plug Location | OEM |
| Intake Valve Diameter | 2.020” |
| Exhaust Valve Diameter | 1.60” |
| Valve Stem Diameter | 5/16" |
| Valve Spring Pocket ID | 1.650” |
| Valve Guide OD | 0.530” |
| Maximum Valve Lift | 0.700” |
| Rocker Stud Thread Size | 7/16”-14 |
| Valve Angle | 5° |
| Deck Thickness | 0.6875” |
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