PARTS EXPERTS
FAST SHIPPING
AUSSIE OWNED
BEST PRICES
item: Proflow Cylinder Heads SuperMax Aluminium Holden Commodore VN Complete 590 HP Out of Box 63cc Chamber 200cc Intake Runner Pair
Proflow Holden Commodore VN SuperMax Aluminium Heads Complete
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 |
Proflow Holden Commodore VN SuperMax Aluminium Heads Complete
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 |
| Brand | PROFLOW |
| Shipping Weight | 60.0000kg |
| Shipping Width | 0.800m |
| Shipping Height | 0.300m |
| Shipping Length | 0.800m |
$48.13
or 4 payments of $12.03 with
Info
$55.69
or 4 payments of $13.92 with
Info
$66.83
or 4 payments of $16.71 with
Info
$16.23
or 4 payments of $4.06 with
Info
$1,678.95
or 4 payments of $419.74 with
Info
$160.74
or 4 payments of $40.19 with
Info
$15.28
or 4 payments of $3.82 with
Info
$30.51
or 4 payments of $7.63 with
Info
$56.06
or 4 payments of $14.02 with
Info
$191.35
or 4 payments of $47.84 with
Info
$36.77
or 4 payments of $9.19 with
Info
$499.00
or 4 payments of $124.75 with
Info
$80.94
or 4 payments of $20.23 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
