LEARN MORE ABOUT OUR SERVICES
CUSTOM RESTORATION WORK
THR Developments have the ability to custom make panels ranging from small floor and body sections, to sill panels, door skins and bonnets. We always deliver to our customers.
CYLINDER HEADS & MACHINING
Our experienced staff have the knowledge and access to all the latest honing techniques to ensure the best ring seal and life possible which in turn equals more horsepower & reliability.
THR Developments has not yet found a fabrication task it cannot achieve. So give us a try, our quality is of the highest standard, one you will not find anywhere else.
With a long and successful involvement in Motorsport, THR Developments are the leaders with engine building in Australia. We have a long successful history in Supercars, Historics and Drag Racing with results to back up our work.
Having the engine dyno in house also enables us to run in any new engine correctly in a controlled environment and tune it to achieve the maximum torque and horsepower along with making the fine adjustments and modifications to achieve maximum outputs and useable RPM ranges.
For Sale is a pair of LS3 CNC ported heads. Assembled with radial springs and stainless valves packaged with a Holley Hi Ram EFI manifold. Customer has changed direction with build. Heads will flow up to 358CFM. Please contact us on 82432900 for more details. Pricing for heads and manifold $5500.