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 fully assembled heads have stainless steel valves and high performance valve springs.  Perfect for your Mild or High performance Hot Rod.

Must Use Proflow Shaft Mount 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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