top of page
  • White Facebook Icon
  • White Instagram Icon

Holden/HSV Performance

From classic Commodores to the latest HSV beasts, Coretuned delivers precision tuning and upgrades across all Holden and HSV platforms  including GTS, GTSR, Senator, Clubsport, and R8 models. Our expertise spans every LS engine variant, from LS1 and LS2 through to L76, L77, LS3, and LSA. Whether you’re chasing refined drivability or elite-level performance, we build, tune, and calibrate your Holden with proven results and factory-level reliability.

Each stage builds on the last, delivering smooth, reliable gains while maintaining OEM-level drivability.

HSV LSA Upgrade Stages

Stage 1 – Baseline Flow

  • Harrop high-flow airbox

  • Custom dyno calibration

 

Stage 2 – Boost & Reliability

  • Harrop high-flow airbox

  • Harrop boost pulley

  • Solid blower-drive coupling

  • 160 ° F (71 °C) thermostat

  • Custom dyno calibration

 

Stage 3 – Air, Fuel & Cooling

  • Harrop high-flow airbox

  • Harrop boost pulley

  • Solid blower-drive coupling

  • 160 ° F (71 °C) thermostat​

  • FI LSA lid spacer

  • High-flow injector upgrade

  • Performance full exhaust system

  • Custom dyno calibration

​​Stage 4 – Cam & Exhaust Power

  • Harrop high-flow airbox

  • Harrop boost pulley

  • Solid blower-drive coupling

  • 160 ° F (71 °C) thermostat

  • FI LSA lid spacer and manifold spacer

  • High-flow injector upgrade

  • Coretuned LSA camshaft upgrade

  • Powerbond LSA overdrive balancer

  • Performance full exhaust system

  • Optional supercharger porting

  • Optional throttle body upgrade

  • Fuel pump voltage booster (dependant on options)

  • Custom dyno calibration

V8 Holden VT–VZ Upgrade Stages

Stage 1 – Intake & Tune

  • VCM OTR (plastic or alloy) MAF-less intake

  • Custom dyno calibration

 

Stage 2 – Exhaust & Tune

  • VCM OTR intake

  • Tri-Y or 4-into-1 headers

  • High-flow catalytic converters

  • Twin 2.5-in or 3-in exhaust system

  • Custom dyno calibration

 

Stage 3 – Street Cam Package

  • Stage 2 hardware

  • Coretuned custom camshaft kit

  • Custom dyno calibration

Perfect for stock auto or manual gearboxes, smooth drivability with that classic cam idle.

​

Stage 4 – Aggressive Cam Package

  • Stage 2 hardware

  • Coretuned custom camshaft kit (aggressive profile)

  • Custom dyno calibration

Designed for manual or high-stall auto transmissions, crisp street manners with a rowdy idle and maximum naturally-aspirated power.

 

Stage 5 – CNC Head & Cam Package

  • VCM OTR intake

  • 4-into-1 headers

  • High-flow catalytic converters

  • Twin 3-in exhaust system

  • Coretuned custom camshaft kit

  • Coretuned CNC-ported cylinder heads

  • Custom dyno calibration

  • High stall for auto cars

The ultimate NA or boost-ready combination, CNC heads and matched cam unlock exceptional flow for serious performance.

V8 Holden VE–VF Upgrade Stages

Stage 1 – Intake & Tune

  • VCM OTR intake kit

  • Fascia and infill panels

  • Custom dyno calibration

 

Stage 2 – Exhaust & Tune

  • VCM OTR intake

  • 4-into-1 headers

  • High-flow catalytic converters

  • Twin 3-inch full exhaust system

  • Custom dyno calibration

 

Stage 3 – Street Cam Package

  • All Stage 2 hardware

  • Coretuned custom camshaft kit

  • Custom dyno calibration

​​

Ideal for stock auto or manual transmissions, smooth drivability with that sought-after cam idle.

 

Stage 4 – Aggressive Cam Package

  • All Stage 2 hardware

  • Coretuned aggressive camshaft kit

  • Custom dyno calibration

Suited to manual or high-stall auto setups, crisp street manners, racier idle, and maximum naturally-aspirated output for a stock bottom end.

 

Stage 5 – CNC Head & Cam Package

  • VCM OTR intake

  • 4-into-1 headers

  • High-flow catalytic converters

  • Twin 3-inch exhaust system

  • Coretuned custom camshaft kit

  • Coretuned CNC-ported cylinder heads

  • Custom dyno calibration

 

The ultimate flow upgrade for serious NA or boosted builds, heads and cam matched for exceptional power and torque.

V6 Holden VE–VF Upgrade Stages

Stage 1 – Intake & Tune
Expected gain: ≈ 20–30 rw kW

  • Orrsom or VCM OTR intake

  • Infill panel

  • Custom dyno calibration

​​

Stage 2 – Intake, Exhaust & Tune
Expected gain: ≈ 25–35 rw kW

  • Orrsom or VCM OTR intake

  • Infill panel

  • Hurricane cat-back exhaust

  • Custom dyno calibration

  • Optional headers and cat upgrade

​

Supercharging
As an authorised Harrop dealer, Coretuned supplies and installs the full Harrop supercharger line. Need something unique? We can custom-fit these systems to engine-swap projects and conversion cars, we also install Walkinshaw , Magnuson and Whipple units for a turnkey solution that suits your goals.

 

Turbocharging
Whether you want a proven bolt-on kit or a completely custom build, Coretuned delivers turbo packages for every power level. Our in-house team fabricates manifolds, intercooler pipework, and exhausts to ensure flawless fitment and OEM-grade reliability. Talk to us about a tailored turbo system engineered around your vehicle and performance targets.

Forced-Induction Upgrades

bottom of page