Address: 23 Reserve road Melton 3337

Your One Stop Shop
For Head and Cam Packages!

We are one of the only workshops in Australia that don't outsource any of the work for a Head and Cam Package!

​Using our 5 axis CNC machine in house to port all of our world famous V3 LS CNC Heads!

​We also have a famous range of camshafts that have powered some of the fastest street cars in Australia!

Our head and camshaft packages have also won a World Championship & 3 National Championships in the V8 Superboat series!

​We don't just talk the talk, we walk the walk just as well!

World Class Dyno Facility

Phonsy, with his state-of-the-art mainline dyno, has perfected tuning for over 5000 Holden Commodores in the past two decades. The unparalleled data amassed during this period sets him apart in the industry. Rest assured that bringing your Holden to Phonsy means you're in expert hands!

Step 1
Choose Your  Package

Base Price​

Whats included

-GMM Hi Performance Camshaft of your choice [mild to wild]
-PSi Hi Performance Valve Springs
-Hi Performance Chrome Moly Pushrods
-GMM CNC Ported Heads
-GM Head Gaskets
-ARP Cam Bolts
-GM Cam Sprocket
-Head Gaskets
-Full Custom Maf-Less Dyno Tune
-ASP Spark Plug Leads
-Dyno Print Out
-All labour​

Pricing Structure (Starting From)

Holden
VT-VZ 5.7L $6,795
VE SS 6.0L
$6,795
VF 6.0L
$6,795
VF 6.2L $6,795 

HSV
VT,VX,VY 5.7L
$6,795
VZ-VE
  6.0L $6,795
VE-VF
6.2L $6,795

Step 2
Extra's (Add Onto Base Price)

Engine Extra's
-Automatic Transmission Tune +$195
-DOD Delete With LS7 Lifters & Buckets for L76 & L77 +$690
-LS7 Lifters & Buckets +$550
-Ramjet OTR +$600
- Oil Pump (Melings 295, sump gasket, O-ring Blue, 7.5L Oil and Oil Filter, Labour x5 )
$1,500
-Supply and set spark plug gap to engine combination
+$150
- ARP Balancer Bolt +$99
-Torque Converter- supply & fit +$3200
- Rocker Trunnion Bearing upgrade +$899


EXHAUST UPGRADES (Supply & Fit) 
-Extractors & 2.5 inch Cats
+$1,900
-Extractors & 3inch Cats +$1950
-Catback 2.5 inch
+$,1690
-Catback 3 inch
+$1,800
-Full 2.5 Inch System
+$3,499
-Full 3 inch system +$3,749

Super Stock (Works with STD Stall) 

Stealth (Works with STD Stall)

Torque Master

Street Racer

LSA Max (Works with STD Stall) 

Turbo Killer

CUSTOMER TESTIMONIALS

What others are saying about us

Had an OTR and tune done on my wagon, pulled great numbers and couldn't be happier with the workmanship and service I received at GM Motorsports. Thanks to the team!!

-Andrew Smith

Had my car done with a Turbo Killer Cam & Hi-Stall don’t regret it one bit, Awesome Service as Always, more than helpful, highly recommended

-STREETL0W

Over the years Ive had a few cars in for performance work with gm Motorsport, they are very friendly and always answer any questions you have for them, very reliable workshop, highly recommended!

-Daniel Savasta

Step 4

Call 9746 6656 to book your car in

We will require a holding deposit of $250 to book your car in. 

Note- This deposit is non refundable however it will be used in your final invoice

Head & Cam Related Videos!

25+ Years Of Experience

Great Drivability

Experienced Mechanics

Improved Power

Improved Tourque

Exhaust Note That Brings Your V8 To Life!