PARTS EXPERTS
FAST SHIPPING
AUSSIE OWNED
BEST PRICES
item: Proflow Cylinder Heads SuperMax EFI Aluminium Bare 590 HP Out of Box 63cc Chamber 200cc Intake Runner EFI Holden Commodore VN Pair
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 |
| SKU | pf-PFEAHH20063-EFI-BARE |
| Brand | PROFLOW |
| Shipping Weight | 50.0000kg |
| Shipping Width | 0.700m |
| Shipping Height | 0.300m |
| Shipping Length | 0.700m |
$59.16
or 4 payments of $14.79 with
Info
$999.00
or 4 payments of $249.75 with
Info
$46.74
or 4 payments of $11.69 with
Info
$379.00
or 4 payments of $94.75 with
Info
$67.64
or 4 payments of $16.91 with
Info
$56.13
or 4 payments of $14.03 with
Info
$9.76
or 4 payments of $2.44 with
Info
ABN: 58 134 888 154
Follow Us On :
Encrypted Checkout
Copyright © 2026 CJ Motor Accessories
Add your favourites to cart
Select Afterpay at checkout
Log into or create your Afterpay account, with instant approval decision
Your purchase will be split into 4 payments, payable every 2 weeks
All you need to apply is to have a debit or credit card, to be over 18 years of age, and to be a resident of country offering Afterpay
Late fees and additional eligibility criteria apply. The first payment may be due at the time of purchase
For complete terms visit afterpay.com/terms
