Proflow Cylinder Heads, SuperMax EFI Aluminium, Bare, 590 HP Out of Box, 63cc Chamber, 200cc Intake Runner, EFI Holden Commodore VN, Pair
Part No: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. The fully assembled heads have stainless steel valves, High Performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.
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 | 8 mm |
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” |
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. The fully assembled heads have stainless steel valves, High Performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.
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 | 8 mm |
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” |