CNC HEADS

LS CNC Heads

Looking for more airflow, sharper response, and the kind of precision that transforms your engine’s performance? Our CNC heads are designed, machined, and tested in-house at Australia Speed. Built to suit LS1, LS2, and LS3 engines, our CNC LS heads deliver factory-grade accuracy with the power and reliability every enthusiast demands. Every detail, from port shapes to valve seat machining, is considered to ensure maximum gains across horsepower, torque, and efficiency.

Why CNC Ported Heads?

Our CNC ported heads are engineered to optimise airflow, combustion, and efficiency. By reshaping and smoothing the intake and exhaust ports, we unlock horsepower and torque gains that you’ll feel from the street to the track. Unlike off-the-shelf parts, these are tailored to perform under Aussie conditions and racing environments where durability is as essential as speed.

We use precision CNC machining to replicate exact dimensions every single time. This means no guesswork, inconsistencies, or proven performance that holds up under stress. If you upgrade for weekend drag racing or build a reliable daily driver with extra punch, our heads deliver.

Benefits of CNC LS Heads

  • Increased horsepower and torque on dyno-proven setups
  • Better throttle response and overall drivability
  • Precision machining for consistent performance in every head
  • Improved fuel efficiency thanks to optimised combustion
  • Durability built for both street and track use
  • Confidence that comes from components tested by enthusiasts who race

CNC LS1 Heads

For LS1 builds, our CNC LS1 heads bring your older engine into today’s performance standards. Improved combustion dynamics mean more power and smoother delivery without compromising reliability. These heads are perfect for anyone restoring or modernising their early LS projects.

CNC LS2 Heads

Our CNC LS2 heads are machined to exacting standards, offering better airflow and stronger midrange pull. Perfect for drivers who want affordable upgrades that deliver real gains, they pair seamlessly with camshaft packages and intake modifications for even bigger results.

CNC LS3 Heads

For drivers chasing serious improvements, our CNC LS3 heads provide flow gains that unleash the potential of your LS3 build. Combined with our camshaft packages or full performance setups, these heads deliver results that transform your driving experience.

The CNC Machining Process

At Australia Speed, we do more than stock parts; we engineer them. Using advanced CNC machines, our team programs every cut to within thousandths of a millimetre. The result is port and chamber designs that maximise airflow and consistency across all cylinders. Each head undergoes strict inspection before it leaves our workshop, ensuring you receive the same quality that our racing team relies on.

Installation + Support

Our motorsport team has tested, fitted, and refined every head we produce. We do not just sell parts, we install and race with them. For Melbourne drivers, our workshop offers complete fitting services with dyno tuning available. For enthusiasts across Australia, we ship CNC heads nationwide, giving you access to proven performance car parts wherever you are. We also provide honest advice to help you match the right heads to your engine goals.

Upgrade With Confidence

From street cars to drag strip projects, our CNC machining delivers precision and performance you can count on. Pair your LS CNC heads with our camshaft packages, crate engines, or exhaust upgrades to get the most out of your build. 

With flexible payment options like Afterpay and ZIP, it’s easy to upgrade your ride without delay.

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