Our proven power upgrade packages are now available to buy in kit form. We take the risk out of upgrading, no need to scour through catalogs, search forums and track down parts that may not work together. Out DIY kits use only quality components that are fully compatible and are well proven to provide results and reliability.
We offer shipping on the complete kit to anywhere in Australia, please contact us for a price on a particular kit to your location.
Tuning
The key to any successful upgrade is the tune, we do not believe in ‘bench tunes’ as there are far too many variables to consider to produce a one tune suits all. What we offer is a ‘base tune’ file which can be provided to your chosen tuner who can then tweak it specifically for your vehicle. A file for both EFI Live and HP Tuners software will be provided with all kits.
Important Notes
The power package kits feature an over the radiator air intake which does not allow for the MAF sensor to be refitted. The vehicle will need to have the base tune loaded before they can be driven.
G4S-310K Power Package DIY Kit
- View the power package here.
- $1,195 plus freight
G4S-320K Power Package DIY Kit
- View the power package here.
- $3,190 plus freight
G4S-330K Power Package DIY Kit
- View the power package here.
- $5,130 plus freight
G4S-C390K Camshaft Power Package DIY kit
- View the power package here.
- $1,930 plus freight
G4S-HC420K Heads and Camshaft Power Package
- View the power package here.
- $4,048 plus freight
- Note, heads are changeover, a $1500 deposit will be payable unless heads are sent to us prior.
- Optional ARP head bolt kit and ARP crank bolt: add $340.
G4S-S440K Stroker Engine Package
- View the power package here.
- $8,499 plus freight
- Note, heads are changeover, a $1500 deposit will be payable unless heads are sent to us prior.
- Engine block will require machining from your preferred engine building / machine shop.
More Information:
HPF Warranty
HPF power packages are warranted for the parts and services installed by HPF. Please contact us for more information.
Additional Notes
- We recommend all vehicles coming to HPF for tuning run 98 Octane fuel. Please contact us if you have a need to use different fuel.
- Power figures listed are estimated kilowatts at the flywheel based on results typically obtained by HPF on HPF’s dynos. Typically these are based of a manual vehicle with standard driveline and standard wheels and tyres. Actual power can vary based on each specific vehicle.
- Modifications such as this package require the vehicle to be in excellent mechanical order.
- We advise against increasing the power output substantially on high kilometer engines, if your engine has in excessive of 150,000kms please contact us to discuss options.
- Whilst every attempt is made to ensure prices listed online are correct, they are subject to change at any time.
- Additional parts may be required in some cases depending on the condition of the vehicle. Cost of these parts and additional labor required may incur additional cost.
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