"A worth while step above the cam only upgrade, same driving experience 'cept with more power! For those that want to leave no stone unturned."

The G4S-HC420 upgrade starts with our trained technician fitting a fitting a set of Higgins Race Heads CNC Ported Heads and a new high performance camshaft and valve spring package that has been carefully selected by one of our sales technicians to match your driving and vehicle requirements. After all the components are fitted we custom tune your vehicle’s ECU on the dyno utilizing the latest ECU tuning software to maximize power and torque.

We complete the upgrade process by testing your vehicle on the road to make final adjustments, optimizing you vehicles performance and drivability. This is all completed in approximately 3-4 days and at the end of this upgrade we will provided you with a dyno graph detailing the power & torque increase of your vehicle.

Package Includes:

• 1 x ECU reprogram – MAFLESS tune
• 1 x Set of reconditioned Higgins CNC ported cylinder heads (changeover)
• 2 x MLS head gaskets
• 1 x HP-F performance camshaft. (Selected specific to customer requirements)
• 1 x HP-F performance matched valve springs.
• 1 x HP-F heavy duty timing chain set.
• 1 x Set ARP cam bolts
• 1 x Oil pump o-ring
• 2 x Water pump gaskets
• 5 x Genuine Coolant (litres).
• 1 x Oil and filter change with Castrol oil
• 1 x Before and after dyno graph.
• 1 x All labour to fit / dyno tune / test

Options

• 1 x ARP head bolt kit
• 1 x ARP crank bolt

Package Notes

HP-F Type-3 camshaft and above, as well as all L76 powered vehicles or any model with displacement on demand technology (AFM) requires replacement lifters. Add $510. AFM system will be disabled with this upgrade.

Dyno Graph

This power package is also available in a Do It Yourself kit which comes complete with all parts needed, just without the fitting.

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